CMA Knowledge 2

Question 1

Which plane divides the body into anterior and posterior sections?

Accepted Answer

Frontal (coronal) plane

Answer

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?

Accepted Answer

60–100 bpm

Answer

A normal adult resting heart rate is 60–100 beats per minute.

Question 3

What does the abbreviation 'NPO' mean in medical documentation?

Accepted Answer

Nothing by mouth

Answer

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?

Accepted Answer

Endocrine system

Answer

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:

Accepted Answer

Slower than normal

Answer

Bradycardia is defined as a resting heart rate below 60 beats per minute in adults.

Certified Medical Assistant Exam Practice Test