CNA Anatomy and Physiology Basics

Question 1

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

Accepted Answer

Cardiovascular system

Answer

Respiratory system

Answer

Digestive system

Answer

Nervous system

Question 2

What is the largest organ of the human body?

Accepted Answer

Skin

Answer

Liver

Answer

Brain

Answer

Lungs

Question 3

Which of the following is a function of the skeletal system?

Accepted Answer

Protecting internal organs

Answer

Producing hormones

Answer

Pumping blood

Answer

Filtering waste from blood

Question 4

The process by which the body breaks down food into nutrients that can be absorbed into the bloodstream is called:

Accepted Answer

Digestion

Answer

Respiration

Answer

Circulation

Answer

Excretion

Question 5

Which organ is responsible for filtering waste products from the blood and producing urine?

Accepted Answer

Kidney

Answer

Liver

Answer

Pancreas

Answer

Spleen

Question 6

The nervous system is divided into two main parts. Which of the following correctly identifies these two divisions?

Accepted Answer

Central and peripheral nervous systems

Answer

Somatic and autonomic nervous systems

Answer

Sympathetic and parasympathetic nervous systems

Answer

Motor and sensory nervous systems