RMA Anatomy and Physiology 3

Question 1

Which bone protects the brain?

Accepted Answer

Cranium

Answer

The cranium (skull) encloses and protects the brain.

Question 2

What is the normal pH range of human blood?

Accepted Answer

7.35–7.45

Answer

Blood is slightly alkaline, with a normal pH of 7.35 to 7.45.

Question 3

Which blood vessels carry blood away from the heart?

Accepted Answer

Arteries

Answer

Arteries carry oxygenated blood away from the heart to the body.

Question 4

The hormone insulin is produced by which organ?

Accepted Answer

Pancreas

Answer

The pancreas secretes insulin to regulate blood glucose levels.

Question 5

Which system is responsible for producing antibodies to fight infection?

Accepted Answer

Immune system

Answer

The immune system defends the body by producing antibodies against pathogens.

RMA Practice Test