Certified Medical Assistant (CMA) Practice Exam | 100
Comprehensive Practice Questions with Verified
Answers & Detailed Rationales (2026 Edition)
1. Which action should a medical assistant take before measuring a patient’s blood
pressure? A. Ask the patient to stand B. Ensure the patient has rested for at least 5
minutes C. Have the patient cross their legs D. Measure immediately after exercise
Answer: B
Rationale: Resting for at least 5 minutes helps obtain an accurate blood pressure reading.
2. Which chamber of the heart pumps oxygenated blood to the body? A. Right atrium
B. Right ventricle C. Left atrium D. Left ventricle
Answer: D
Rationale: The left ventricle pumps oxygen-rich blood through the aorta to the body.
3. The normal adult body temperature is approximately: A. 95.0°F (35°C) B. 98.6°F
(37°C) C. 100.8°F (38.2°C) D. 102.2°F (39°C)
Answer: B
Rationale: The average normal body temperature is 98.6°F (37°C).
4. Which PPE should always be worn when drawing blood? A. Face shield only B.
Gloves C. Gown only D. Shoe covers
Answer: B
Rationale: Gloves protect both the healthcare worker and patient from bloodborne
pathogens.
5. What is the normal resting pulse rate for most healthy adults? A. 20–40 bpm B. 40–
60 bpm C. 60–100 bpm D. 110–140 bpm
Answer: C
Rationale: A normal adult resting heart rate is 60–100 beats per minute.
6. Which vitamin is essential for blood clotting? A. Vitamin A B. Vitamin C C. Vitamin D
D. Vitamin K
Answer: D
,Rationale: Vitamin K is required for the synthesis of clotting factors.
7. The abbreviation “PRN” means: A. Before meals B. Twice daily C. As needed D. At
bedtime
Answer: C
Rationale: PRN stands for pro re nata, meaning “as needed.”
8. Which specimen is commonly used to diagnose a urinary tract infection? A. Stool B.
Midstream urine C. Saliva D. Sputum
Answer: B
Rationale: A clean-catch midstream urine specimen reduces contamination.
9. The pulse is commonly measured over which artery at the wrist? A. Femoral B.
Radial C. Carotid D. Brachial
Answer: B
Rationale: The radial artery is the most common site for routine pulse assessment.
10. Which needle should never be recapped after use? A. Vaccination needle B.
Butterfly needle C. Used needle D. Insulin needle
Answer: C
Rationale: Used needles should be disposed of immediately in a sharps container.
11. HIPAA primarily protects a patient’s: A. Financial information B. Privacy and health
information C. Insurance premiums D. Employment history
Answer: B
Rationale: HIPAA safeguards patient privacy and protected health information (PHI).
12. Which blood vessel carries oxygen-rich blood from the lungs to the heart? A.
Pulmonary artery B. Aorta C. Pulmonary vein D. Vena cava
Answer: C
Rationale: Pulmonary veins return oxygenated blood to the left atrium.
13. What does “tachycardia” mean? A. Slow heart rate B. Fast heart rate C. Irregular
breathing D. High blood pressure
Answer: B
, Rationale: Tachycardia refers to a heart rate greater than 100 bpm in adults.
14. The largest organ of the human body is the: A. Liver B. Skin C. Brain D. Lung
Answer: B
Rationale: The skin is the body’s largest organ and provides protection.
15. Which laboratory test measures average blood glucose over about 3 months? A.
CBC B. Hemoglobin A1C C. Lipid panel D. CMP
Answer: B
Rationale: Hemoglobin A1C reflects long-term blood glucose control.
16. Which injection is administered at a 90-degree angle? A. Intradermal B.
Subcutaneous C. Intramuscular D. Topical
Answer: C
Rationale: Intramuscular injections are generally given at a 90° angle.
17. Which patient position is commonly used for a pelvic examination? A. Fowler’s B.
Sims’ C. Lithotomy D. Prone
Answer: C
Rationale: The lithotomy position provides optimal access for pelvic exams.
18. Which pulse site is used during adult CPR? A. Radial B. Carotid C. Pedal D. Temporal
Answer: B
Rationale: The carotid pulse is assessed in an unresponsive adult.
19. Which color-top tube contains EDTA? A. Red B. Blue C. Lavender D. Gray
Answer: C
Rationale: Lavender-top tubes contain EDTA and are commonly used for CBC testing.
20. Which organ produces insulin? A. Liver B. Kidney C. Pancreas D. Gallbladder
Answer: C
Rationale: The pancreas produces insulin to regulate blood glucose.
21. The medical term for low blood sugar is: A. Hyperglycemia B. Hypoglycemia C.
Hypertension D. Hypotension
Comprehensive Practice Questions with Verified
Answers & Detailed Rationales (2026 Edition)
1. Which action should a medical assistant take before measuring a patient’s blood
pressure? A. Ask the patient to stand B. Ensure the patient has rested for at least 5
minutes C. Have the patient cross their legs D. Measure immediately after exercise
Answer: B
Rationale: Resting for at least 5 minutes helps obtain an accurate blood pressure reading.
2. Which chamber of the heart pumps oxygenated blood to the body? A. Right atrium
B. Right ventricle C. Left atrium D. Left ventricle
Answer: D
Rationale: The left ventricle pumps oxygen-rich blood through the aorta to the body.
3. The normal adult body temperature is approximately: A. 95.0°F (35°C) B. 98.6°F
(37°C) C. 100.8°F (38.2°C) D. 102.2°F (39°C)
Answer: B
Rationale: The average normal body temperature is 98.6°F (37°C).
4. Which PPE should always be worn when drawing blood? A. Face shield only B.
Gloves C. Gown only D. Shoe covers
Answer: B
Rationale: Gloves protect both the healthcare worker and patient from bloodborne
pathogens.
5. What is the normal resting pulse rate for most healthy adults? A. 20–40 bpm B. 40–
60 bpm C. 60–100 bpm D. 110–140 bpm
Answer: C
Rationale: A normal adult resting heart rate is 60–100 beats per minute.
6. Which vitamin is essential for blood clotting? A. Vitamin A B. Vitamin C C. Vitamin D
D. Vitamin K
Answer: D
,Rationale: Vitamin K is required for the synthesis of clotting factors.
7. The abbreviation “PRN” means: A. Before meals B. Twice daily C. As needed D. At
bedtime
Answer: C
Rationale: PRN stands for pro re nata, meaning “as needed.”
8. Which specimen is commonly used to diagnose a urinary tract infection? A. Stool B.
Midstream urine C. Saliva D. Sputum
Answer: B
Rationale: A clean-catch midstream urine specimen reduces contamination.
9. The pulse is commonly measured over which artery at the wrist? A. Femoral B.
Radial C. Carotid D. Brachial
Answer: B
Rationale: The radial artery is the most common site for routine pulse assessment.
10. Which needle should never be recapped after use? A. Vaccination needle B.
Butterfly needle C. Used needle D. Insulin needle
Answer: C
Rationale: Used needles should be disposed of immediately in a sharps container.
11. HIPAA primarily protects a patient’s: A. Financial information B. Privacy and health
information C. Insurance premiums D. Employment history
Answer: B
Rationale: HIPAA safeguards patient privacy and protected health information (PHI).
12. Which blood vessel carries oxygen-rich blood from the lungs to the heart? A.
Pulmonary artery B. Aorta C. Pulmonary vein D. Vena cava
Answer: C
Rationale: Pulmonary veins return oxygenated blood to the left atrium.
13. What does “tachycardia” mean? A. Slow heart rate B. Fast heart rate C. Irregular
breathing D. High blood pressure
Answer: B
, Rationale: Tachycardia refers to a heart rate greater than 100 bpm in adults.
14. The largest organ of the human body is the: A. Liver B. Skin C. Brain D. Lung
Answer: B
Rationale: The skin is the body’s largest organ and provides protection.
15. Which laboratory test measures average blood glucose over about 3 months? A.
CBC B. Hemoglobin A1C C. Lipid panel D. CMP
Answer: B
Rationale: Hemoglobin A1C reflects long-term blood glucose control.
16. Which injection is administered at a 90-degree angle? A. Intradermal B.
Subcutaneous C. Intramuscular D. Topical
Answer: C
Rationale: Intramuscular injections are generally given at a 90° angle.
17. Which patient position is commonly used for a pelvic examination? A. Fowler’s B.
Sims’ C. Lithotomy D. Prone
Answer: C
Rationale: The lithotomy position provides optimal access for pelvic exams.
18. Which pulse site is used during adult CPR? A. Radial B. Carotid C. Pedal D. Temporal
Answer: B
Rationale: The carotid pulse is assessed in an unresponsive adult.
19. Which color-top tube contains EDTA? A. Red B. Blue C. Lavender D. Gray
Answer: C
Rationale: Lavender-top tubes contain EDTA and are commonly used for CBC testing.
20. Which organ produces insulin? A. Liver B. Kidney C. Pancreas D. Gallbladder
Answer: C
Rationale: The pancreas produces insulin to regulate blood glucose.
21. The medical term for low blood sugar is: A. Hyperglycemia B. Hypoglycemia C.
Hypertension D. Hypotension
