CMA Knowledge 3

Question 1

Which type of muscle tissue is found in the walls of hollow organs such as the intestines?

Accepted Answer

Smooth muscle

Answer

Smooth (visceral) muscle is involuntary and found in the walls of hollow organs like the intestines, bladder, and blood vessels.

Question 2

What is the function of hemoglobin in red blood cells?

Accepted Answer

Transport oxygen throughout the body

Answer

Hemoglobin is an iron-containing protein in red blood cells that binds and transports oxygen from the lungs to body tissues.

Question 3

Which vitamin is produced by the skin upon exposure to sunlight?

Accepted Answer

Vitamin D

Answer

The skin synthesizes Vitamin D when exposed to ultraviolet B (UVB) radiation from sunlight.

Question 4

A patient's chart lists 'Dx: DM Type 2.' What condition does this abbreviation represent?

Accepted Answer

Diabetes mellitus type 2

Answer

DM Type 2 stands for Diabetes Mellitus Type 2, a metabolic disorder characterized by insulin resistance.

Question 5

What is the primary purpose of the lymphatic system?

Accepted Answer

Filter blood and return interstitial fluid to circulation

Answer

The lymphatic system collects excess interstitial fluid, filters it through lymph nodes, and returns it to the bloodstream.

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