OK Vet Tech common mistakes
OK Vet Tech · Understand the traps and how to avoid them.
When a drug dose is given as mg/kg but the vial is labeled in mg/mL or a percentage solution, the candidate multiplies by the patient's weight and stops, reporting the mg figure as the volume to draw up.
Under time pressure the arithmetic is treated as finished once the mg number appears, and percentage concentrations (1% = 10 mg/mL) are not converted to a working concentration first. The candidate has practiced weight-based math but not the final division step that produces a syringe volume.
What to do instead
Adopt a fixed three-line layout for every calculation: dose (mg/kg) x weight (kg) = total mg; total mg / concentration (mg/mL) = mL; then sanity-check the answer against a known reference range for that species (e.g., a cat receiving more than about 1 mL of a common injectable should trigger a recheck). Convert every percentage to mg/mL before starting, and write the unit on every line so a missed conversion is visible.
On anesthesia questions the candidate selects a protocol or monitoring plan based only on the procedure (e.g., 'dental' or 'ovariohysterectomy') without adjusting for ASA status, age, breed, or concurrent disease, and treats a single reading such as heart rate or SpO2 as sufficient evidence of depth.
Textbook protocols are memorized as procedure-specific recipes, and depth is equated with one monitor number. Candidates underweight the physical signs (jaw tone, palpebral reflex, eye position, muscle tone) and the effect of premedication and comorbidities on those signs.
What to do instead
For each scenario, state the ASA classification and the specific risk (e.g., brachycephalic airway, hepatic impairment altering drug choice, geriatric hypothermia) before naming drugs, then list at least three independent depth indicators and what each would show if the patient were too light or too deep. Practice explaining why the same protocol differs between a healthy 2-year-old and a 12-year-old with renal disease.
In emergency scenarios the candidate works through diagnostics or drug choices before addressing airway, breathing, and circulation, and answers 'what to do next' with a test rather than an immediate intervention.
Exam items are read as knowledge-recall prompts, so the candidate reaches for the most technical fact rather than triaging. In practice the habit of completing a full assessment before acting carries over into the written answer.
What to do instead
For any collapsed, dyspneic, or bleeding patient, write the first three actions in ABC order with a time frame (e.g., 'provide flow-by oxygen now, place IV catheter, begin isotonic crystalloid bolus'), then place diagnostics after stabilization. Rehearse a short triage script and apply it to every emergency stem before considering the rest of the options.
The candidate describes pain assessment using only one channel, usually heart rate or a single numeric scale, and does not distinguish acute surgical pain from chronic or neuropathic pain when selecting an analgesic plan.
Pain scoring tools are memorized as a number to report rather than as a multimodal assessment, and multimodal analgesia (opioid plus NSAID plus local block or adjunct) is recalled as a list of drug classes without matching them to the pain type and the patient's contraindications.
What to do instead
For each case, document at least three indicators (behavior and posture, interaction with the wound or area, physiologic values) and state the pain type. Then build the plan as pre-emptive, multimodal, and reassessed at a stated interval, naming one contraindication to check for each class (e.g., NSAID and renal disease or GI ulceration).
When asked about a drug's classification, mechanism, or adverse effect, the candidate answers from the trade name or from the clinical use alone, and mixes up drug classes that share an indication.
Formularies are learned by brand and by what the drug is used for, so look-alike indications blur together (e.g., antiemetics versus prokinetics, or different classes used for the same condition). Reversal agents and species-specific toxicities are studied separately instead of being linked to the parent drug.
What to do instead
Build a one-page table per class with generic name, mechanism in one line, key adverse effect, contraindication, and reversal or antidote if any. Deliberately pair drugs that share an indication and state the mechanistic difference, and add a species-sensitivity column (e.g., drugs to avoid in cats, collies, or patients with a specific organ impairment).
On dental items the candidate describes extraction or periodontal therapy without addressing pre-anesthetic oral assessment, dental radiographs, and the difference between a closed and an open extraction, or treats a fractured tooth as a simple cleaning problem.
Dentistry is mentally filed under 'routine procedure,' so the diagnostic and decision-making steps (probing depths, radiographs to assess root involvement, flap design) are skipped in favor of the visible cleaning or removal step.
What to do instead
Answer dental scenarios in a fixed sequence: awake oral exam and charting, then radiographs under anesthesia, then a treatment decision justified by the finding (e.g., a tooth with loss of attachment or root fracture requires extraction with a flap, not scaling). Practice naming which instrument and which flap type matches each finding.
In laboratory-procedure questions the candidate interprets a single abnormal value without confirming sample quality, the reference interval for that species and analyzer, or the effect of hemolysis, lipemia, or storage on the result.
Values are read as standalone facts, and preanalytical error (wrong tube, delayed processing, EDTA contamination, underfilled tube) is not considered part of the answer. Reference intervals are assumed to be universal rather than species- and instrument-specific.
What to do instead
Before interpreting any result, state the sample type, handling, and whether the value is artifact-suspect; then compare with the species-appropriate interval supplied or expected. For each analyte you study, note one preanalytical factor that falsely raises or lowers it, and practice reading panels rather than isolated numbers.
On imaging questions the candidate names a diagnosis from a single view or a single finding, or selects a modality by habit rather than by the question being asked (e.g., choosing radiography for soft-tissue detail or ultrasound for bone).
Radiograph interpretation is learned as pattern recognition on classic examples, so the candidate skips the systematic search and the orthogonal-view rule. Modality choice is remembered as 'what we usually do' rather than matched to the tissue and clinical question.
What to do instead
For every image-based item, describe findings using a systematic checklist (positioning and technique, then bone, soft tissue, and gas/fluid patterns) and require at least two orthogonal views before committing to a diagnosis. When choosing a modality, justify it by the tissue contrast and the question (e.g., ultrasound for fluid and organ architecture, radiography for bone and gas, advanced imaging for surgical planning).
In surgical-nursing items the candidate answers with the operative step but omits asepsis, instrument and patient preparation, and the postoperative monitoring plan, or describes sterile technique in a way that breaks the sterile field (e.g., reaching across an open pack, reusing a dropped instrument).
Attention is drawn to the surgical procedure itself, and aseptic ritual is treated as background rather than examinable content. The candidate also conflates clean, clean-contaminated, and dirty wound classification when choosing preparation and glove protocols.
What to do instead
Answer with a preoperative-intraoperative-postoperative structure: patient and site preparation and clipping, wound classification and its effect on technique, then a specific post-op monitoring list (temperature, incision checks, analgesia, activity restriction). Practice identifying breaches in a described sterile field and stating the corrective action.
On practice-management and ethics items the candidate answers from personal opinion or general customer-service instinct, ignoring consent, record-keeping requirements, delegation limits, and confidentiality obligations, or gives legal advice that varies by jurisdiction without flagging it.
These items feel like common sense, so the candidate does not apply the regulatory framework. Scope-of-task rules for technicians and the role of the veterinarian-client-patient relationship are understudied compared with clinical content.
What to do instead
For each scenario, identify who may legally perform the task, what must be documented, and what consent or communication is required before proceeding, then state the ethical principle at stake (autonomy, confidentiality, nonmaleficence). Where a rule is jurisdiction-specific, say so explicitly and describe the general principle rather than asserting a specific statute.