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ABOM Oral Medicine study materials
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ABOM Oral Medicine practice questions

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Question 1Obesity Medicine (content areas per ABOM Test Content Outline)

Which body mass index (BMI) range defines class I obesity in adults?

  1. 30.0 to 34.9 kg/m² Correct answer.
  2. 40.0 kg/m² and above
  3. 35.0 to 39.9 kg/m²
  4. 25.0 to 29.9 kg/m²

Explanation

Adult obesity is divided into three classes: class I is BMI 30.0 to 34.9 kg/m², class II is 35.0 to 39.9 kg/m², and class III is 40.0 kg/m² or higher. The 25.0 to 29.9 kg/m² range is overweight, not obesity.

Question 2Obesity Medicine (content areas per ABOM Test Content Outline)

A waist circumference above which threshold indicates substantially increased cardiometabolic risk in adult men?

  1. 102 cm (40 in) Correct answer.
  2. 94 cm (37 in)
  3. 80 cm (31 in)
  4. 88 cm (35 in)

Explanation

Abdominal obesity in men is defined by a waist circumference of at least 102 cm (40 in), and in women by at least 88 cm (35 in). These cut points flag elevated cardiometabolic risk independent of BMI.

Question 3Obesity Medicine (content areas per ABOM Test Content Outline)

Which hormone is produced by adipose tissue and rises with increasing fat mass, acting centrally to suppress appetite?

  1. Insulin
  2. Glucagon
  3. Leptin Correct answer.
  4. Ghrelin

Explanation

Leptin is secreted primarily by adipocytes in proportion to fat mass and signals satiety in the hypothalamus. In obesity, leptin resistance blunts this anorexigenic effect despite high circulating levels.

Question 4Obesity Medicine (content areas per ABOM Test Content Outline)

Which medication is FDA-approved for long-term weight management and acts as a lipase inhibitor to reduce dietary fat absorption?

  1. Metformin
  2. Phentermine
  3. Liraglutide
  4. Orlistat Correct answer.

Explanation

Orlistat inhibits gastric and pancreatic lipases, reducing absorption of dietary triglycerides and producing fecal fat loss. It is approved for long-term use and is also available over the counter at half the prescription dose.

Question 5Obesity Medicine (content areas per ABOM Test Content Outline)

Which class of anti-obesity medication works by inhibiting the reuptake of norepinephrine, serotonin, and dopamine in the central nervous system?

  1. GLP-1 receptor agonists
  2. Sympathomimetic monoamine reuptake inhibitors Correct answer.
  3. Lipase inhibitors
  4. Opioid antagonists

Explanation

Agents such as phentermine/topiramate and bupropion/naltrexone combinations rely in part on monoamine reuptake inhibition and sympathomimetic activity to reduce appetite. This central mechanism differs from peripheral lipase inhibition or incretin mimetics.

Question 6Obesity Medicine (content areas per ABOM Test Content Outline)

Which surgical procedure combines a restrictive gastric component with a malabsorptive intestinal bypass and is associated with the greatest sustained weight loss?

  1. Sleeve gastrectomy
  2. Biliopancreatic diversion with duodenal switch Correct answer.
  3. Adjustable gastric banding
  4. Roux-en-Y gastric bypass

Explanation

Biliopancreatic diversion with duodenal switch produces the largest and most durable weight loss among bariatric operations because it combines substantial restriction with a long malabsorptive limb. The trade-off is a higher risk of nutritional deficiencies.

Question 7Obesity Medicine (content areas per ABOM Test Content Outline)

A patient with a BMI of 32 kg/m² and type 2 diabetes asks about bariatric surgery. According to NIH consensus criteria, which factor makes this patient eligible?

  1. Failure of at least 12 months of dieting
  2. Age older than 60 years
  3. A BMI that has been stable for 5 years
  4. Presence of an obesity-related comorbidity Correct answer.

Explanation

Bariatric surgery is indicated for adults with BMI of at least 40 kg/m² or BMI of at least 35 kg/m² with obesity-related comorbidities under classic NIH criteria; newer guidelines lower the comorbidity threshold to 30 kg/m². The presence of a comorbidity such as type 2 diabetes is the qualifying factor.

Question 8Obesity Medicine (content areas per ABOM Test Content Outline)

Which micronutrient deficiency is most characteristic after Roux-en-Y gastric bypass because the duodenum and proximal jejunum are bypassed?

  1. Iron Correct answer.
  2. Vitamin B12
  3. Folate
  4. Vitamin C

Explanation

Iron is absorbed primarily in the duodenum and proximal jejunum, which are excluded from the alimentary stream after gastric bypass, so iron deficiency anemia is common. B12 deficiency also occurs but is driven by loss of gastric acid and intrinsic factor rather than by bypass of the absorptive site.

Question 9Obesity Medicine (content areas per ABOM Test Content Outline)

Which set of findings constitutes the metabolic syndrome according to the harmonized criteria?

  1. Three or more of: elevated waist circumference, elevated triglycerides, low HDL, elevated blood pressure, elevated fasting glucose Correct answer.
  2. Two or more of: obesity, hypertension, and dyslipidemia
  3. Four or more of: obesity, insulin resistance, fatty liver, and sleep apnea
  4. Any one of: type 2 diabetes, hypertension, or hypertriglyceridemia

Explanation

The harmonized metabolic syndrome definition requires at least three of five components: increased waist circumference, elevated triglycerides, reduced HDL cholesterol, elevated blood pressure, and elevated fasting glucose. Meeting three or more of these criteria establishes the diagnosis.

Question 10Obesity Medicine (content areas per ABOM Test Content Outline)

Which sleep-related breathing disorder is most strongly associated with obesity and should be screened for in patients with a BMI above 35 kg/m²?

  1. Restless legs syndrome
  2. Obstructive sleep apnea Correct answer.
  3. Central sleep apnea
  4. Narcolepsy

Explanation

Obstructive sleep apnea results from upper airway collapse exacerbated by peripharyngeal fat deposition and is strongly linked to obesity. Weight loss is a cornerstone of its management.

Question 11Obesity Medicine (content areas per ABOM Test Content Outline)

Which condition is most strongly associated with class III obesity and manifests as chronic elevation of liver enzymes with hepatic steatosis?

  1. Autoimmune hepatitis
  2. Metabolic dysfunction-associated steatotic liver disease Correct answer.
  3. Hemochromatosis
  4. Primary biliary cholangitis

Explanation

Metabolic dysfunction-associated steatotic liver disease (formerly NAFLD) is strongly linked to obesity and insulin resistance and can progress to steatohepatitis and cirrhosis. It is the most common chronic liver disease in patients with severe obesity.

Question 12Obesity Medicine (content areas per ABOM Test Content Outline)

Which dietary approach has the strongest evidence for producing clinically meaningful weight loss when combined with behavioral support?

  1. Elimination of all dietary carbohydrates
  2. Skipping breakfast to extend the fasting window
  3. Any calorie-restricted diet producing a sustained energy deficit Correct answer.
  4. A very-low-calorie ketogenic diet as the sole long-term strategy

Explanation

Sustained weight loss depends primarily on achieving a persistent energy deficit; the macronutrient composition matters less than adherence. Behavioral support improves long-term adherence to any calorie-restricted pattern.

Question 13Obesity Medicine (content areas per ABOM Test Content Outline)

Which behavioral strategy is a core component of comprehensive lifestyle intervention for obesity?

  1. Randomized food exposure
  2. Self-monitoring of intake and activity Correct answer.
  3. Passive calorie counting by a clinician
  4. Unstructured ad libitum eating

Explanation

Self-monitoring, goal setting, stimulus control, and problem solving are core behavioral techniques that improve adherence and outcomes. Self-monitoring in particular correlates with greater weight loss.

Question 14Obesity Medicine (content areas per ABOM Test Content Outline)

Which pharmacologic agent is a GLP-1 receptor agonist approved for chronic weight management and given as a once-weekly subcutaneous injection?

  1. Orlistat
  2. Semaglutide Correct answer.
  3. Phentermine
  4. Bupropion/naltrexone

Explanation

Semaglutide 2.4 mg is a once-weekly GLP-1 receptor agonist approved for chronic weight management. It reduces appetite and slows gastric emptying and produces substantial weight loss in trials.

Question 15Obesity Medicine (content areas per ABOM Test Content Outline)

A patient on a GLP-1 receptor agonist for weight loss reports nausea and vomiting. Which management step is most appropriate?

  1. Add a second anti-obesity agent immediately
  2. Titrate the dose more slowly and advise smaller, lower-fat meals Correct answer.
  3. Double the dose to overcome tolerance
  4. Discontinue the drug permanently

Explanation

Gastrointestinal effects are the most common adverse events with GLP-1 receptor agonists and are usually dose-related and transient. Slower titration and dietary modification (smaller, lower-fat meals) improve tolerability.

Question 16Obesity Medicine (content areas per ABOM Test Content Outline)

Which statement best describes the relationship between obesity and type 2 diabetes?

  1. Diabetes always precedes the development of obesity
  2. Excess adipose tissue promotes insulin resistance that can progress to beta-cell failure Correct answer.
  3. Weight loss has no effect on glycemic control
  4. Obesity causes diabetes only in patients with a family history

Explanation

Excess adipose tissue, particularly visceral fat, promotes insulin resistance through inflammatory adipokines and free fatty acids, and sustained insulin demand can lead to beta-cell failure. Modest weight loss improves insulin sensitivity and glycemic control.

Question 17Obesity Medicine (content areas per ABOM Test Content Outline)

Which weight-loss target is generally recommended as an initial goal because it produces clinically meaningful health benefits?

  1. 20 to 25 percent of initial body weight
  2. 5 to 10 percent of initial body weight Correct answer.
  3. 1 to 2 percent of initial body weight
  4. 30 percent or more of initial body weight

Explanation

A loss of 5 to 10 percent of initial body weight improves blood pressure, glycemia, and lipid profiles and is a realistic initial target. Larger losses confer additional benefit but are not required for meaningful health gains.

Question 18Obesity Medicine (content areas per ABOM Test Content Outline)

Which factor most strongly predicts long-term success after bariatric surgery?

  1. Patient age at time of surgery
  2. Adherence to dietary and follow-up recommendations Correct answer.
  3. Preoperative BMI alone
  4. Type of insurance coverage

Explanation

Long-term outcomes after bariatric surgery depend heavily on adherence to dietary guidelines, vitamin supplementation, and structured follow-up. Preoperative BMI and age influence risk but are weaker predictors of durable success.

Question 19Obesity Medicine (content areas per ABOM Test Content Outline)

Which medication should be avoided in a patient with a history of uncontrolled hypertension who is being treated for obesity?

  1. Orlistat
  2. Phentermine Correct answer.
  3. Topiramate
  4. Metformin

Explanation

Phentermine is a sympathomimetic that can raise blood pressure and heart rate and is contraindicated in uncontrolled hypertension. Non-sympathomimetic options are preferred in such patients.

Question 20Obesity Medicine (content areas per ABOM Test Content Outline)

Which screening test is recommended annually for a patient who has undergone Roux-en-Y gastric bypass?

  1. Echocardiography
  2. Bone marrow biopsy
  3. Colonoscopy
  4. Serum vitamin B12 and iron studies Correct answer.

Explanation

Patients after gastric bypass require lifelong monitoring for micronutrient deficiencies, including vitamin B12, iron, folate, calcium, and vitamin D. Annual laboratory screening guides supplementation.

Question 21Obesity Medicine (content areas per ABOM Test Content Outline)

Which mechanism explains why visceral adiposity confers greater cardiometabolic risk than subcutaneous adiposity?

  1. Visceral fat has lower lipolytic activity than subcutaneous fat
  2. Visceral fat drains directly into the portal circulation, exposing the liver to free fatty acids and inflammatory cytokines Correct answer.
  3. Visceral fat secretes more leptin per gram than subcutaneous fat
  4. Visceral fat is metabolically inert

Explanation

Visceral adipose tissue drains into the portal vein, delivering free fatty acids and adipokines directly to the liver and promoting hepatic insulin resistance. This portal exposure underlies the stronger association of visceral fat with metabolic disease.

Question 22Obesity Medicine (content areas per ABOM Test Content Outline)

A patient with obesity and prediabetes is considering pharmacotherapy. Which agent both promotes weight loss and reduces progression to type 2 diabetes?

  1. Thiazolidinedione
  2. Sulfonylurea
  3. Insulin glargine
  4. GLP-1 receptor agonist Correct answer.

Explanation

GLP-1 receptor agonists promote weight loss and improve glycemia, and some have demonstrated reduced progression from prediabetes to diabetes. Sulfonylureas, insulin, and thiazolidinediones typically cause weight gain.

Question 23Obesity Medicine (content areas per ABOM Test Content Outline)

Which pathophysiologic adaptation explains weight regain after intentional weight loss?

  1. Permanent reduction in basal metabolic rate to the original level
  2. Compensatory increase in appetite hormones such as ghrelin and reduction in energy expenditure Correct answer.
  3. Loss of adipose tissue stem cells
  4. Increased leptin sensitivity

Explanation

Weight loss triggers adaptive responses including increased ghrelin, reduced leptin, and a decline in resting energy expenditure that persists beyond the period of active loss. These adaptations favor weight regain and explain the chronic, relapsing nature of obesity.

Question 24Obesity Medicine (content areas per ABOM Test Content Outline)

Which statement about the genetic contribution to obesity is most accurate?

  1. Single-gene mutations account for most cases of common obesity
  2. Obesity is entirely environmental and has no heritable component
  3. Common obesity is polygenic, with many variants of small effect interacting with the environment Correct answer.
  4. Heritability of obesity is negligible in twin studies

Explanation

Common obesity reflects the combined effect of many genetic variants, each with small effect size, interacting with an obesogenic environment. Monogenic causes such as MC4R mutations are rare.

Question 25Obesity Medicine (content areas per ABOM Test Content Outline)

Which endocrine disorder should be excluded when evaluating a patient with obesity and hypertension who has episodic headaches and palpitations?

  1. Polycystic ovary syndrome
  2. Hypothyroidism
  3. Cushing syndrome
  4. Pheochromocytoma Correct answer.

Explanation

Episodic headaches, palpitations, and hypertension suggest catecholamine excess from pheochromocytoma, which can be associated with weight changes and must be excluded before attributing symptoms to obesity alone. Secondary causes of obesity warrant targeted evaluation when clinical clues are present.

Question 26Obesity Medicine (content areas per ABOM Test Content Outline)

Which BMI threshold defines class I obesity in adults using standard World Health Organization categories?

  1. 35.0 to 39.9 kg/m²
  2. 25.0 to 29.9 kg/m²
  3. 30.0 to 34.9 kg/m² Correct answer.
  4. 40.0 kg/m² or greater

Explanation

Adult obesity is divided into class I (30.0–34.9 kg/m²), class II (35.0–39.9 kg/m²), and class III (≥40 kg/m²). The 25.0–29.9 range denotes overweight, not obesity.

Question 27Obesity Medicine (content areas per ABOM Test Content Outline)

Which waist circumference threshold indicates substantially increased cardiometabolic risk in adult men of most racial and ethnic groups?

  1. 88 cm (35 in)
  2. 102 cm (40 in) Correct answer.
  3. 94 cm (37 in)
  4. 110 cm (43 in)

Explanation

Abdominal obesity in men is generally defined by a waist circumference of at least 102 cm (40 in), with 88 cm (35 in) used for women. These cut points flag elevated risk independent of BMI.

Question 28Obesity Medicine (content areas per ABOM Test Content Outline)

Which class of medication is most commonly associated with weight gain and should be reviewed in a patient with obesity?

  1. SGLT2 inhibitors
  2. Metformin
  3. GLP-1 receptor agonists
  4. Second-generation antipsychotics Correct answer.

Explanation

Several second-generation antipsychotics, particularly olanzapine and clozapine, cause substantial weight gain and metabolic dysregulation. Metformin, GLP-1 receptor agonists, and SGLT2 inhibitors are weight-neutral or weight-reducing.

Question 29Obesity Medicine (content areas per ABOM Test Content Outline)

Which laboratory test is most appropriate to screen for a secondary endocrine cause in a patient with obesity, hypertension, and unexplained hypokalemia?

  1. Overnight polysomnography
  2. Serum TSH
  3. Plasma aldosterone-to-renin ratio Correct answer.
  4. Serum cortisol after overnight dexamethasone suppression

Explanation

Hypertension with spontaneous or diuretic-induced hypokalemia raises suspicion for primary aldosteronism, screened with the plasma aldosterone-to-renin ratio. Cortisol testing addresses Cushing syndrome, which does not typically cause hypokalemia.

Question 30Obesity Medicine (content areas per ABOM Test Content Outline)

Which finding on history most strongly suggests that a patient's obesity is related to a secondary cause rather than primary obesity?

  1. Weight gain accompanied by new striae, proximal weakness, and hyperglycemia Correct answer.
  2. Weight gain following smoking cessation
  3. Weight gain that began gradually during midlife
  4. Weight gain during pregnancy that persisted postpartum

Explanation

Proximal muscle weakness, wide violaceous striae, and hyperglycemia together suggest cortisol excess (Cushing syndrome), a secondary cause of obesity. Gradual midlife gain, smoking cessation, and postpartum retention are common primary contributors.

Question 31Obesity Medicine (content areas per ABOM Test Content Outline)

Which statement best describes the energy balance principle underlying weight management counseling?

  1. Weight loss cannot occur without pharmacotherapy in patients with class I obesity
  2. Weight loss is determined primarily by meal timing rather than total intake
  3. Weight loss occurs only when carbohydrate intake falls below 20 g per day
  4. Weight loss requires a sustained negative energy balance regardless of macronutrient composition Correct answer.

Explanation

Sustained weight loss depends on a negative energy balance; macronutrient distribution affects adherence and body composition but not the fundamental requirement. Very-low-carbohydrate thresholds, meal timing, and mandatory pharmacotherapy are not prerequisites.

Question 32Obesity Medicine (content areas per ABOM Test Content Outline)

A 52-year-old woman with a BMI of 33 kg/m² has tried a structured lifestyle program for six months without achieving her goal. Which next step is most consistent with a comprehensive obesity management approach?

  1. Refer directly for bariatric surgery without additional evaluation
  2. Advise discontinuation of all physical activity until weight normalizes
  3. Discuss adding pharmacotherapy alongside continued lifestyle support Correct answer.
  4. Reassure her that no further options exist until BMI reaches 40

Explanation

When lifestyle intervention alone is insufficient, adding pharmacotherapy while maintaining behavioral support is appropriate for patients with BMI ≥30. Bariatric surgery is generally reserved for higher BMI or obesity with specific comorbidities.

Question 33Obesity Medicine (content areas per ABOM Test Content Outline)

Which statement about phentermine/topiramate extended-release is most accurate?

  1. It acts solely by blocking intestinal fat absorption
  2. It is a non-controlled over-the-counter supplement
  3. It is approved only for patients with type 1 diabetes
  4. It is a schedule IV controlled substance and requires monitoring for teratogenicity risk Correct answer.

Explanation

Phentermine/topiramate ER contains a schedule IV stimulant and topiramate, which carries fetal risk, requiring pregnancy prevention counseling and REMS-related vigilance. It is prescription-only and does not act through fat malabsorption.

Question 34Obesity Medicine (content areas per ABOM Test Content Outline)

Which adverse effect is most characteristic of orlistat and requires counseling about fat-soluble vitamin status?

  1. Photosensitivity rash
  2. Steatorrhea with fecal urgency Correct answer.
  3. Peripheral edema
  4. Dry cough

Explanation

Orlistat inhibits pancreatic lipase, producing oily stools, flatus with discharge, and fecal urgency; it can reduce absorption of fat-soluble vitamins. Cough, edema, and photosensitivity are not characteristic.

Question 35Obesity Medicine (content areas per ABOM Test Content Outline)

A patient with obesity and a history of medullary thyroid carcinoma is being considered for pharmacotherapy. Which agent should be avoided?

  1. Orlistat
  2. Phentermine/topiramate ER
  3. Liraglutide Correct answer.
  4. Bupropion/naltrexone ER

Explanation

GLP-1 receptor agonists such as liraglutide carry a boxed warning and are contraindicated in patients with a personal or family history of medullary thyroid carcinoma or MEN2. The other agents lack this specific contraindication.

Question 36Obesity Medicine (content areas per ABOM Test Content Outline)

Which statement best describes the role of physical activity in obesity management?

  1. It supports weight maintenance and improves cardiometabolic health even with modest weight change Correct answer.
  2. It reliably produces weight loss without dietary change
  3. It is more effective than diet for initial weight loss
  4. It should be discouraged until BMI falls below 30

Explanation

Physical activity contributes modestly to initial weight loss but is important for weight maintenance and cardiometabolic fitness. It is recommended at all BMI levels and does not reliably produce weight loss independent of diet.

Question 37Obesity Medicine (content areas per ABOM Test Content Outline)

Which counseling statement about sleep and weight management is most accurate?

  1. Chronic short sleep is associated with weight gain and should be addressed in obesity care Correct answer.
  2. Sleep duration has no relationship to appetite regulation
  3. Longer sleep reliably increases weight loss regardless of other factors
  4. Sleep apnea screening is unnecessary unless the patient reports snoring

Explanation

Short sleep duration is associated with increased appetite, weight gain, and impaired glucose regulation, so sleep should be part of obesity counseling. Sleep apnea screening should not rely on snoring alone.

Question 38Obesity Medicine (content areas per ABOM Test Content Outline)

Which statement about the relationship between obesity and hypertension is most accurate?

  1. Blood pressure does not change with weight loss
  2. Obesity-related hypertension is unrelated to sodium sensitivity
  3. Weight loss of about 5% to 10% can meaningfully lower blood pressure Correct answer.
  4. Hypertension resolves in nearly all patients after a 2 kg weight loss

Explanation

Modest weight loss of roughly 5% to 10% lowers blood pressure and improves other cardiometabolic risk factors. Obesity-related hypertension is often sodium-sensitive, and resolution is not guaranteed with small losses.

Question 39Obesity Medicine (content areas per ABOM Test Content Outline)

Which obesity-related comorbidity is most directly improved by a weight loss of 5% to 10%?

  1. Obstructive sleep apnea severity
  2. End-stage renal disease requiring dialysis
  3. Osteoarthritis requiring joint replacement
  4. Dyslipidemia with elevated triglycerides Correct answer.

Explanation

Modest weight loss improves triglycerides and other lipid parameters, along with glycemia and blood pressure. Joint replacement need and dialysis dependence are not directly reversed by this degree of loss, and sleep apnea improvement is more variable.

Question 40Obesity Medicine (content areas per ABOM Test Content Outline)

Which statement about the use of BMI as a clinical screening tool is most accurate?

  1. BMI is a surrogate measure and should be interpreted alongside waist circumference and clinical context Correct answer.
  2. BMI is equally predictive of risk across all racial and ethnic groups
  3. BMI should replace all other anthropometric measures in clinical practice
  4. BMI directly measures body fat percentage

Explanation

BMI is a practical surrogate for adiposity but does not distinguish fat from lean mass or fat distribution, so it is interpreted with waist circumference and clinical findings. It does not directly measure body fat percentage and risk thresholds vary by population.

Question 41Obesity Medicine (content areas per ABOM Test Content Outline)

Which statement about weight regain after bariatric surgery is most accurate?

  1. Weight regain indicates the surgery was technically unsuccessful in all cases
  2. Some weight regain is common and warrants reassessment of anatomy, behavior, and hormonal factors Correct answer.
  3. Weight regain never occurs after sleeve gastrectomy
  4. Weight regain is best managed by immediate reversal of the procedure

Explanation

Some weight regain is common after bariatric surgery and should prompt evaluation for anatomic changes, dietary patterns, and endocrine factors. It does not automatically indicate technical failure and is not managed by routine reversal.

Question 42Obesity Medicine (content areas per ABOM Test Content Outline)

Which laboratory monitoring is most appropriate for a patient taking a GLP-1 receptor agonist who has type 2 diabetes and is also on insulin?

  1. Monitor for elevated liver enzymes monthly
  2. Monitor for hyperkalemia with serial potassium levels
  3. Monitor for hypoglycemia and consider reducing the insulin dose Correct answer.
  4. Monitor for hypernatremia with serial sodium levels

Explanation

Adding a GLP-1 receptor agonist improves glycemia and can increase hypoglycemia risk when insulin or a sulfonylurea is used, so doses may need reduction. Potassium, sodium, and monthly liver enzyme monitoring are not the primary concern.

Question 43Obesity Medicine (content areas per ABOM Test Content Outline)

Which statement best describes the role of self-monitoring in behavioral weight management?

  1. Self-monitoring replaces the need for any dietary counseling
  2. Tracking intake and activity is associated with improved weight loss outcomes Correct answer.
  3. Self-monitoring is useful only for patients with a BMI above 40
  4. Self-monitoring is not recommended because it increases dropout

Explanation

Self-monitoring of food intake, activity, and weight is a core behavioral strategy associated with better weight loss outcomes. It is appropriate across BMI categories and complements, rather than replaces, counseling.

Question 44Obesity Medicine (content areas per ABOM Test Content Outline)

Which statement about the use of very-low-calorie diets in obesity treatment is most accurate?

  1. They can produce rapid weight loss but require medical supervision and structured transition to prevent regain Correct answer.
  2. They are safe for all patients without supervision
  3. They are recommended as the first-line approach for all patients with obesity
  4. They permanently reset metabolic rate to a higher level

Explanation

Very-low-calorie diets can produce rapid initial weight loss but require medical monitoring for electrolyte and other risks, plus structured transition to prevent regain. They are not first-line for all patients and do not permanently raise metabolic rate.

Question 45Obesity Medicine (content areas per ABOM Test Content Outline)

Which statement about the effect of obesity on medication pharmacokinetics is most accurate?

  1. Obesity uniformly increases clearance of all drugs
  2. Obesity has no effect on drug distribution
  3. Obesity reduces the volume of distribution of all drugs
  4. Increased adipose mass can alter the volume of distribution of lipophilic drugs Correct answer.

Explanation

Expanded adipose tissue increases the volume of distribution for lipophilic drugs, which can prolong effects and alter dosing. The effect varies by drug and does not uniformly increase or decrease distribution or clearance.

Question 46Obesity Medicine (content areas per ABOM Test Content Outline)

Which statement about weight stigma in clinical care is most accurate?

  1. Stigmatizing language is associated with avoidance of care and should be replaced with person-first language Correct answer.
  2. Terms such as 'obese person' are preferred in clinical documentation
  3. Weight stigma is only relevant in mental health settings
  4. Stigma has no measurable effect on health behaviors

Explanation

Weight stigma is linked to care avoidance, psychological harm, and poorer health behaviors, so person-first language such as 'a person with obesity' is recommended. Stigma is relevant across all clinical settings.

Question 47Obesity Medicine (content areas per ABOM Test Content Outline)

A patient with class II obesity and knee osteoarthritis reports difficulty exercising because of pain. Which approach is most appropriate?

  1. Recommend only high-impact running to maximize calorie burn
  2. Recommend low-impact activity such as water exercise and physical therapy Correct answer.
  3. Advise the patient to avoid all activity until weight loss occurs
  4. Defer any activity counseling until after bariatric surgery

Explanation

Low-impact activity and physical therapy allow patients with osteoarthritis to remain active while reducing joint stress. Avoiding activity, high-impact exercise, and deferring counseling can worsen function and weight outcomes.

Question 48Obesity Medicine (content areas per ABOM Test Content Outline)

Which statement about metabolic adaptation after weight loss is most accurate?

  1. Metabolic adaptation has no effect on weight regain
  2. Resting energy expenditure falls somewhat more than predicted by loss of lean and fat mass alone Correct answer.
  3. Metabolic adaptation occurs only after bariatric surgery
  4. Resting energy expenditure rises permanently after weight loss

Explanation

After weight loss, resting energy expenditure declines somewhat more than predicted from changes in body composition, contributing to weight regain. This adaptation is not permanent and occurs with diet-induced loss as well as surgery.

Question 49Obesity Medicine (content areas per ABOM Test Content Outline)

Which statement about the relationship between obesity and nonalcoholic fatty liver disease is most accurate?

  1. Liver enzymes normalize in all patients with any weight loss
  2. Bariatric surgery is contraindicated in all patients with fatty liver disease
  3. Weight loss of 7% to 10% can improve hepatic steatosis and inflammation Correct answer.
  4. Fatty liver disease does not improve with weight loss

Explanation

Weight loss of roughly 7% to 10% is associated with improvement in hepatic steatosis and inflammation. Complete normalization is not guaranteed, and bariatric surgery may be appropriate in selected patients.

Question 50Obesity Medicine (content areas per ABOM Test Content Outline)

Which factor is most important when assessing readiness for a comprehensive weight management program?

  1. The patient's motivation and willingness to engage in sustained behavioral change Correct answer.
  2. The patient's age alone
  3. The patient's insurance status alone
  4. The patient's baseline BMI alone

Explanation

Readiness and motivation to engage in sustained behavioral change are central to selecting and sustaining any weight management strategy. Insurance status, BMI, and age inform options but do not by themselves determine readiness.