CCMA Practice Test: Video 1 Answers (25 Questions)

Question 1

Which heart chamber pumps oxygenated blood into the systemic circulation?

Accepted Answer

Left ventricle

Answer

The left ventricle sends blood through the aorta to the body. The right ventricle only pumps blood to the lungs.

Question 2

What is the functional unit of the kidney that filters blood and forms urine?

Accepted Answer

Nephron

Answer

The nephron filters blood and forms urine. The alveolus is a lung structure and the ureter only carries urine.

Question 3

Which hormone, made by pancreatic beta cells, lowers blood glucose?

Accepted Answer

Insulin

Answer

Insulin lowers blood glucose. Glucagon, from alpha cells, raises it.

Question 4

Which bone is commonly called the shoulder blade?

Accepted Answer

Scapula

Answer

The scapula is the shoulder blade. The clavicle is the collarbone.

Question 5

Where does gas exchange between air and blood occur in the lungs?

Accepted Answer

Alveoli

Answer

Oxygen and carbon dioxide are exchanged across alveolar walls. Bronchi only conduct air.

CCMA - Certified Clinical Medical Assistant Practice Test