Medical Knowledge Anatomy & Physiology 2

Question 1

Which bone is commonly known as the kneecap?

Accepted Answer

Patella

Answer

The patella is a sesamoid bone that protects the knee joint and enhances quadriceps muscle leverage.

Question 2

What fluid lubricates and nourishes synovial joints?

Accepted Answer

Synovial fluid

Answer

Synovial fluid reduces friction and provides nutrients to avascular cartilage in diarthrodial joints.

Question 3

How many chambers does the human heart have?

Accepted Answer

4

Answer

The heart has four chambers: two atria that receive blood and two ventricles that pump it out.

Question 4

Which part of the brain controls balance and coordination?

Accepted Answer

Cerebellum

Answer

The cerebellum coordinates voluntary movements, balance, and fine motor control.

Question 5

What is the function of alveoli in the lungs?

Accepted Answer

Exchange oxygen and carbon dioxide

Answer

Alveoli are tiny air sacs where oxygen is absorbed into the bloodstream and carbon dioxide is expelled.

Medical Knowledge Practice Test