CNA Anatomy and Physiology Basics

Question 1

What is the basic structural and functional unit of the human body?

Accepted Answer

Cell.

Answer

Tissue.

Answer

Organ.

Answer

System.

Question 2

Which organ is responsible for pumping blood throughout the body?

Accepted Answer

Heart.

Answer

Lungs.

Answer

Liver.

Answer

Kidneys.

Question 3

What is the primary function of the respiratory system?

Accepted Answer

To supply oxygen and remove carbon dioxide.

Answer

To digest food.

Answer

To circulate blood.

Answer

To eliminate waste products.

Question 4

What type of tissue connects bones to muscles?

Accepted Answer

Tendons.

Answer

Ligaments.

Answer

Cartilage.

Answer

Nervous tissue.

Question 5

Which system is responsible for transporting nutrients and oxygen to cells?

Accepted Answer

Circulatory system.

Answer

Nervous system.

Answer

Respiratory system.

Answer

Digestive system.

Question 6

What is the function of the skeletal system?

Accepted Answer

To provide structure and support.

Answer

To digest food.

Answer

To transport oxygen.

Answer

To regulate body temperature.