CNA Anatomy and Physiology Basics 2

Question 1

Which chamber of the heart pumps oxygenated blood to the body through the aorta?

Accepted Answer

Left ventricle

Answer

Right ventricle

Answer

Left atrium

Answer

Right atrium

Question 2

What is the primary function of the respiratory system?

Accepted Answer

Exchange oxygen and carbon dioxide between the body and the environment

Answer

Filter waste products from the blood

Answer

Distribute nutrients to body cells

Answer

Regulate blood pressure

Question 3

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

Accepted Answer

Kidney

Answer

Liver

Answer

Spleen

Answer

Pancreas

Question 4

What type of muscle tissue is found in the walls of the heart?

Accepted Answer

Cardiac muscle

Answer

Skeletal muscle

Answer

Smooth muscle

Answer

Voluntary muscle

Question 5

Which part of the nervous system controls involuntary functions such as heart rate and digestion?

Accepted Answer

Autonomic nervous system

Answer

Somatic nervous system

Answer

Central nervous system

Answer

Peripheral nervous system

Question 6

The digestive system breaks down food into nutrients that can be absorbed into the bloodstream. Where does most nutrient absorption occur?

Accepted Answer

Small intestine

Answer

Large intestine

Answer

Stomach

Answer

Esophagus