NCMA Anatomy and Physiology 2

Question 1

What is the primary function of red blood cells (erythrocytes)?

Accepted Answer

Transport oxygen and carbon dioxide

Answer

Red blood cells contain hemoglobin, which binds oxygen in the lungs and transports it to body tissues, while also carrying carbon dioxide back to the lungs.

Question 2

Which part of the brain is primarily responsible for balance, posture, and coordination of voluntary movements?

Accepted Answer

Cerebellum

Answer

The cerebellum, located at the posterior base of the brain, coordinates voluntary movements, maintains balance, and regulates muscle tone.

Question 3

Which of the following is a primary function of the liver?

Accepted Answer

Detoxifies blood and metabolizes drugs

Answer

The liver detoxifies the blood by filtering and metabolizing drugs, alcohol, and other toxins, and also produces bile for fat digestion.

Question 4

Which body system is responsible for transporting lymph fluid and plays a central role in immune defense?

Accepted Answer

Lymphatic system

Answer

The lymphatic system collects and filters lymph fluid, houses immune cells, and returns fluid to the bloodstream while defending against pathogens.

Question 5

What type of muscle tissue lines the walls of the stomach, intestines, and blood vessels?

Accepted Answer

Smooth muscle

Answer

Smooth muscle is involuntary, non-striated muscle found in the walls of hollow visceral organs such as the intestines, stomach, and blood vessels.

NCMA - National Certified Medical Assistant Practice Test

NCMA - National Certified Medical Assistant Practice Test

NCMA Anatomy and Physiology 2