CNA Certification Exam Questions and
Correct Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant
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Question 1
The primary role of a CNA is to:
A. Diagnose illnesses
B. Provide direct basic patient care
C. Prescribe medication
D. Perform surgery
Correct Answer: B. Provide direct basic patient care
Rationale: CNAs assist patients with daily living activities such as bathing, feeding,
and mobility under nursing supervision.
Question 2
Hand hygiene is most important in preventing:
A. Fractures
B. Infection spread
C. Dehydration
D. Medication errors
Correct Answer: B. Infection spread
Rationale: Proper hand hygiene reduces transmission of microorganisms.
,Question 3
Normal body temperature in adults is approximately:
A. 94°F
B. 96°F
C. 98.6°F
D. 101°F
Correct Answer: C. 98.6°F
Rationale: Average normal body temperature is around 98.6°F (37°C), though
slight variation is normal.
Question 4
Which body system controls breathing and heart rate?
A. Digestive system
B. Nervous system
C. Skeletal system
D. Endocrine system
Correct Answer: B. Nervous system
Rationale: The nervous system regulates vital body functions.
Question 5
The first step in the nursing process is:
A. Evaluation
B. Assessment
C. Diagnosis
D. Planning
Correct Answer: B. Assessment
Rationale: Assessment involves collecting patient data.
,Question 6
Standard precautions are used:
A. Only with infected patients
B. Only in surgery
C. With all patients
D. Only in emergencies
Correct Answer: C. With all patients
Rationale: Standard precautions assume all bodily fluids may be infectious.
Question 7
The medical term for high blood pressure is:
A. Hypotension
B. Hypertension
C. Bradycardia
D. Tachypnea
Correct Answer: B. Hypertension
Rationale: Hypertension refers to elevated blood pressure.
Question 8
Which position is used for bathing a patient in bed?
A. Fowler’s position
B. Supine position
C. Lithotomy position
D. Prone position
Correct Answer: B. Supine position
Rationale: The patient lies flat on their back for bed bathing.
, Question 9
A pulse measures:
A. Breathing rate
B. Heartbeat strength and rate
C. Blood sugar
D. Oxygen level only
Correct Answer: B. Heartbeat strength and rate
Rationale: Pulse reflects heart rate and rhythm.
Question 10
Normal adult respiration rate is:
A. 4–8 breaths/min
B. 12–20 breaths/min
C. 25–30 breaths/min
D. 40–50 breaths/min
Correct Answer: B. 12–20 breaths/min
Rationale: This is the normal resting respiratory range.
Question 11
Which is an example of a vital sign?
A. Height
B. Weight
C. Temperature
D. Hair color
Correct Answer: C. Temperature
Rationale: Vital signs include temperature, pulse, respiration, and blood pressure.
Correct Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant
Download Pdf
Question 1
The primary role of a CNA is to:
A. Diagnose illnesses
B. Provide direct basic patient care
C. Prescribe medication
D. Perform surgery
Correct Answer: B. Provide direct basic patient care
Rationale: CNAs assist patients with daily living activities such as bathing, feeding,
and mobility under nursing supervision.
Question 2
Hand hygiene is most important in preventing:
A. Fractures
B. Infection spread
C. Dehydration
D. Medication errors
Correct Answer: B. Infection spread
Rationale: Proper hand hygiene reduces transmission of microorganisms.
,Question 3
Normal body temperature in adults is approximately:
A. 94°F
B. 96°F
C. 98.6°F
D. 101°F
Correct Answer: C. 98.6°F
Rationale: Average normal body temperature is around 98.6°F (37°C), though
slight variation is normal.
Question 4
Which body system controls breathing and heart rate?
A. Digestive system
B. Nervous system
C. Skeletal system
D. Endocrine system
Correct Answer: B. Nervous system
Rationale: The nervous system regulates vital body functions.
Question 5
The first step in the nursing process is:
A. Evaluation
B. Assessment
C. Diagnosis
D. Planning
Correct Answer: B. Assessment
Rationale: Assessment involves collecting patient data.
,Question 6
Standard precautions are used:
A. Only with infected patients
B. Only in surgery
C. With all patients
D. Only in emergencies
Correct Answer: C. With all patients
Rationale: Standard precautions assume all bodily fluids may be infectious.
Question 7
The medical term for high blood pressure is:
A. Hypotension
B. Hypertension
C. Bradycardia
D. Tachypnea
Correct Answer: B. Hypertension
Rationale: Hypertension refers to elevated blood pressure.
Question 8
Which position is used for bathing a patient in bed?
A. Fowler’s position
B. Supine position
C. Lithotomy position
D. Prone position
Correct Answer: B. Supine position
Rationale: The patient lies flat on their back for bed bathing.
, Question 9
A pulse measures:
A. Breathing rate
B. Heartbeat strength and rate
C. Blood sugar
D. Oxygen level only
Correct Answer: B. Heartbeat strength and rate
Rationale: Pulse reflects heart rate and rhythm.
Question 10
Normal adult respiration rate is:
A. 4–8 breaths/min
B. 12–20 breaths/min
C. 25–30 breaths/min
D. 40–50 breaths/min
Correct Answer: B. 12–20 breaths/min
Rationale: This is the normal resting respiratory range.
Question 11
Which is an example of a vital sign?
A. Height
B. Weight
C. Temperature
D. Hair color
Correct Answer: C. Temperature
Rationale: Vital signs include temperature, pulse, respiration, and blood pressure.
