Medical Knowledge Anatomy & Physiology 2 — Questions and Answers
Question 1: Which bone is commonly known as the kneecap?
- Fibula
- Tibia
- Patella (Correct answer)
- Femur
Correct answer: Patella
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?
- Plasma
- Synovial fluid (Correct answer)
- Cerebrospinal fluid
- Lymph
Correct answer: Synovial fluid
Synovial fluid reduces friction and provides nutrients to avascular cartilage in diarthrodial joints.
Question 3: How many chambers does the human heart have?
- 2
- 3
- 4 (Correct answer)
- 6
Correct answer: 4
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?
- Cerebrum
- Cerebellum (Correct answer)
- Medulla oblongata
- Thalamus
Correct answer: Cerebellum
The cerebellum coordinates voluntary movements, balance, and fine motor control.
Question 5: What is the function of alveoli in the lungs?
- Filter airborne particles
- Produce mucus
- Exchange oxygen and carbon dioxide (Correct answer)
- Move cilia
Correct answer: Exchange oxygen and carbon dioxide
Alveoli are tiny air sacs where oxygen is absorbed into the bloodstream and carbon dioxide is expelled.
Question 6: Which blood type is considered the universal donor?
- AB positive
- O positive
- O negative (Correct answer)
- A negative
Correct answer: O negative
O negative blood lacks ABO antigens and Rh factor, making it compatible for transfusion to any recipient.
Medical Knowledge Anatomy & Physiology 2
Which bone is commonly known as the kneecap?