CMA Knowledge 2 — Questions and Answers
Question 1: Which plane divides the body into anterior and posterior sections?
- Sagittal plane
- Transverse plane
- Frontal (coronal) plane (Correct answer)
- Oblique plane
Correct answer: Frontal (coronal) plane
The frontal (coronal) plane divides the body into anterior (front) and posterior (back) portions.
Question 2: Which of the following is the normal resting heart rate range for adults?
- 40–60 bpm
- 60–100 bpm (Correct answer)
- 100–120 bpm
- 20–40 bpm
Correct answer: 60–100 bpm
A normal adult resting heart rate is 60–100 beats per minute.
Question 3: What does the abbreviation 'NPO' mean in medical documentation?
- Normal patient output
- Nothing by mouth (Correct answer)
- No prescribed opioids
- Night pre-operative
Correct answer: Nothing by mouth
NPO stands for 'nil per os,' a Latin phrase meaning nothing by mouth.
Question 4: Which body system is responsible for producing hormones that regulate metabolism?
- Nervous system
- Lymphatic system
- Endocrine system (Correct answer)
- Integumentary system
Correct answer: Endocrine system
The endocrine system secretes hormones such as thyroid hormone that regulate metabolic rate.
Question 5: The term 'bradycardia' refers to a heart rate that is:
- Irregular
- Faster than normal
- Slower than normal (Correct answer)
- Absent
Correct answer: Slower than normal
Bradycardia is defined as a resting heart rate below 60 beats per minute in adults.
Question 6: Which organ is primarily responsible for filtering blood and removing waste products?
- Liver
- Spleen
- Kidneys (Correct answer)
- Pancreas
Correct answer: Kidneys
The kidneys filter blood to remove metabolic waste products and excess substances, excreting them as urine.
Question 7: What is the medical term for high blood pressure?
- Hypotension
- Hypertension (Correct answer)
- Tachypnea
- Bradypnea
Correct answer: Hypertension
Hypertension is the medical term for chronically elevated blood pressure, generally above 130/80 mmHg.
CMA Knowledge 2
Which plane divides the body into anterior and posterior sections?