RMA Anatomy and Physiology 2

Question 1

Which type of muscle tissue is involuntary and found only in the walls of the heart?

Accepted Answer

Cardiac muscle

Answer

Cardiac muscle is striated, involuntary, and unique to the heart.

Question 2

What is the primary function of red blood cells?

Accepted Answer

Transport oxygen

Answer

Red blood cells carry oxygen via hemoglobin to body tissues.

Question 3

The exchange of gases between blood and air occurs in which lung structures?

Accepted Answer

Alveoli

Answer

Alveoli are tiny air sacs where oxygen and carbon dioxide exchange occurs.

Question 4

Which gland regulates metabolism by secreting thyroxine?

Accepted Answer

Thyroid gland

Answer

The thyroid gland produces thyroxine, which controls metabolic rate.

Question 5

What is the largest organ of the human body?

Accepted Answer

Skin

Answer

The skin is the body's largest organ and part of the integumentary system.

RMA Practice Test