Maryland CNA study materials
Maryland CNA study resources

Maryland CNA key terms

Maryland CNA · Get comfortable with the vocabulary.

Activities of Daily Living (ADLs)

Basic self-care tasks a person performs daily, such as bathing, dressing, eating, toileting, and moving from place to place. Nurse aides often help residents with ADLs while encouraging as much independence as possible.

Related: Range of Motion (ROM), Transfer Belt (Gait Belt)
Range of Motion (ROM)

The normal amount of movement a joint can make in different directions. A nurse aide may perform range-of-motion exercises to keep joints flexible and prevent stiffness when a resident cannot move independently.

Related: Contracture, Activities of Daily Living (ADLs)
Pressure Injury

Damage to skin and underlying tissue caused by prolonged pressure, often over bony areas. It may appear as redness, a blister, or an open wound. Repositioning and skin checks help prevent it.

Related: Activities of Daily Living (ADLs), Contracture
Body Mechanics

Using proper posture, balance, and movement to lift, turn, or move a person safely. Good body mechanics protect both the resident and the nurse aide from strain and injury.

Related: Transfer Belt (Gait Belt), Range of Motion (ROM)
Vital Signs

Measurements of body temperature, pulse, respirations, and blood pressure, and sometimes oxygen saturation or pain. They show how well the body is working and are reported when outside normal limits.

Related: Blood Pressure, Radial Pulse, Respiration
Transfer Belt (Gait Belt)

A wide strap placed around a resident's waist to give the nurse aide a secure hold during transfers or walking. It helps prevent falls and should be checked for fit and condition before use.

Related: Body Mechanics, Activities of Daily Living (ADLs)
Aspiration

Breathing food, liquid, vomit, or saliva into the airway and lungs instead of swallowing it. It can cause choking or pneumonia. Proper positioning and feeding technique help prevent it.

Related: Vital Signs, Activities of Daily Living (ADLs)
Contracture

A permanent shortening and tightening of a muscle or joint that limits movement. It can develop when a limb stays still for long periods. Range-of-motion exercises and proper positioning help prevent it.

Related: Range of Motion (ROM), Pressure Injury
Intake and Output (I&O)

The measurement of all fluids a resident drinks and receives, and all fluids lost through urine, vomit, drainage, or other routes. Accurate records help the care team judge fluid balance.

Related: Indwelling Urinary Catheter, Vital Signs
Indwelling Urinary Catheter

A tube placed through the urethra into the bladder to drain urine continuously. The nurse aide provides catheter care, keeps the bag below bladder level, and reports signs of infection.

Related: Intake and Output (I&O), Medical Asepsis
Empathy

Understanding and sharing another person's feelings without taking on those feelings as your own. It helps a nurse aide respond with compassion and build trust with residents and families.

Related: Active Listening, Therapeutic Communication
Therapeutic Communication

Purposeful conversation that supports a resident's physical and emotional well-being. It uses open questions, respect, and active listening rather than giving advice or false reassurance.

Related: Active Listening, Empathy
Active Listening

Giving full attention to a speaker by looking, nodding, and responding to what is said. It helps the nurse aide understand concerns and show that the resident is valued.

Related: Therapeutic Communication, Empathy
Resident Rights

Legally protected freedoms that nursing home residents keep, such as dignity, privacy, choice, and participation in care. Nurse aides must respect and help protect these rights in everyday care.

Related: Confidentiality, Person-Centered Care
Confidentiality

Keeping a resident's personal and health information private and sharing it only with those who need it for care. Gossip and casual discussion of residents' information are not allowed.

Related: Resident Rights, HIPAA
Depression

A common mood disorder marked by sadness, loss of interest, poor appetite, sleep changes, and withdrawal. In older adults it may be mistaken for normal aging. Nurse aides should report lasting changes to the nurse.

Related: Grief, Validation Therapy
Grief

The normal emotional response to loss, such as the death of a loved one or a change in health. It may include sadness, anger, guilt, and withdrawal. Nurse aides listen without judging.

Related: Depression, Empathy
Validation Therapy

A way of responding to a confused person by accepting and acknowledging the feelings behind their words rather than correcting facts. It can reduce distress and build trust.

Related: Therapeutic Communication, Empathy
Cultural Competence

The ability to provide respectful care to people of different cultures, beliefs, and values. It includes asking about preferences, avoiding assumptions, and honoring personal and religious practices.

Related: Resident Rights, Person-Centered Care
Scope of Practice

The tasks and duties a nurse aide is legally allowed to perform, based on state law and training. A nurse aide must not perform skills outside that scope, such as giving medications or assessing a resident.

Related: Delegation, Chain of Command
Delegation

The nurse's act of assigning a specific task to a nurse aide who is trained and allowed to do it. The nurse keeps responsibility for assessing and evaluating the resident's care.

Related: Scope of Practice, Chain of Command
Chain of Command

The line of authority in a facility that shows whom to report to and who to ask for help. Nurse aides report concerns to the charge nurse and follow the chain when issues are not resolved.

Related: Delegation, Incident Report
Informed Consent

A person's voluntary agreement to a test, treatment, or care after understanding its risks, benefits, and alternatives. The nurse aide may reinforce information but does not obtain consent or pressure the resident.

Related: Resident Rights, Advance Directive
Mandatory Reporting

The legal duty of nurse aides and other caregivers to report suspected abuse, neglect, or exploitation to the nurse and required authorities. Reporting protects residents and is not optional.

Related: Abuse, Neglect
Abuse

Intentional harm or mistreatment of a resident, including physical, emotional, sexual, or financial harm, or confinement. Nurse aides must recognize signs, prevent it, and report it immediately.

Related: Neglect, Mandatory Reporting
Neglect

Failure to provide needed care, such as food, water, hygiene, safety, or medical attention, whether on purpose or because of inadequate staffing or knowledge. It is a form of mistreatment that must be reported.

Related: Abuse, Mandatory Reporting
Advance Directive

A written document that states a person's wishes about medical care if they become unable to speak for themselves. Examples include a living will and a durable power of attorney for health care.

Related: DNR (Do Not Resuscitate), Informed Consent
DNR (Do Not Resuscitate)

A doctor's order that says no CPR should be started if a resident's heart or breathing stops. The nurse aide must know the resident's code status and follow facility policy.

Related: Advance Directive, Chain of Command
Incident Report

A factual written record of an unusual event, such as a fall, injury, medication error, or missing item. It is used to improve safety and should be completed promptly and objectively.

Related: Mandatory Reporting, Chain of Command
HIPAA

A federal law that protects the privacy and security of a person's health information. It limits who may see or share resident information and sets rules for keeping records safe.

Related: Confidentiality, Resident Rights
Person-Centered Care

Care that treats each resident as an individual and respects their preferences, routines, values, and goals. It involves listening, offering choices, and involving the resident in decisions.

Related: Resident Rights, Cultural Competence
Medical Asepsis

Practices that reduce the number of germs and prevent their spread, such as hand hygiene and cleaning surfaces. It is used for routine care and differs from sterile technique.

Related: Hand Hygiene, Sterile Technique
Sterile Technique

A set of practices that keeps equipment and areas free of all germs, used for procedures like catheter insertion or dressing changes. Nurse aides follow sterile technique only when trained and assigned.

Related: Medical Asepsis, Indwelling Urinary Catheter
Hand Hygiene

Cleaning hands with soap and water or alcohol-based rub to remove germs. It is the single most important way to prevent infection and must be done before and after resident care.

Related: Medical Asepsis, Sterile Technique
Blood Pressure

The force of blood pushing against artery walls, recorded as two numbers: systolic over diastolic. The nurse aide measures it correctly, waits, and reports readings outside the resident's normal range.

Related: Vital Signs, Radial Pulse
Radial Pulse

The heartbeat felt at the wrist on the thumb side of the forearm. It is counted for rate, rhythm, and strength and is one of the routine vital signs.

Related: Vital Signs, Blood Pressure
Respiration

The process of breathing in oxygen and breathing out carbon dioxide. When counting respirations, the nurse aide observes rate, depth, rhythm, and effort without telling the resident.

Related: Vital Signs, Radial Pulse
Perineal Care

Cleaning the genital and anal area to keep it free of germs and odor. It is done front to back, with clean technique, and is especially important for residents with catheters or incontinence.

Related: Indwelling Urinary Catheter, Medical Asepsis
Specimen Collection

Gathering a sample of urine, stool, sputum, or other body fluid for laboratory testing. The nurse aide collects it correctly, labels it, and sends it promptly to avoid errors.

Related: Intake and Output (I&O), Medical Asepsis
Postmortem Care

Care of a resident's body after death, including cleaning, positioning, and respecting dignity and religious customs. The nurse aide follows facility policy and supports the family.

Related: Grief, Resident Rights