4 (Latest Update ) Anatomy
and Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. What is the function of the integumentary system?
A. Digestion
B. Protection
C. Movement
D. Respiration
Correct Answer: B. Protection
Rationale: The integumentary system (skin) protects the body from
injury and infection.
2. What is the largest organ in the human body?
A. Liver
B. Brain
C. Skin
D. Heart
,Correct Answer: C. Skin
Rationale: Skin covers and protects the entire body.
3. What is melanin?
A. Protein
B. Pigment
C. Hormone
D. Enzyme
Correct Answer: B. Pigment
Rationale: Melanin gives skin its color and protects against UV
radiation.
4. What is the function of sweat glands?
A. Protection
B. Temperature regulation
C. Digestion
D. Movement
Correct Answer: B. Temperature regulation
Rationale: Sweat helps cool the body.
5. What is keratin?
A. Lipid
B. Protein
C. Carbohydrate
D. DNA
,Correct Answer: B. Protein
Rationale: Keratin strengthens hair, nails, and skin.
6. What is the skeletal system made of?
A. Muscles
B. Bones
C. Cells
D. Organs
Correct Answer: B. Bones
Rationale: Bones provide structure and protection.
7. What is the function of bones?
A. Digestion
B. Support and protection
C. Respiration
D. Hormone production
Correct Answer: B. Support and protection
Rationale: Bones support the body and protect organs.
8. What is bone marrow?
A. Muscle tissue
B. Blood-forming tissue
C. Nerve tissue
D. Fat only
, Correct Answer: B. Blood-forming tissue
Rationale: Bone marrow produces blood cells.
9. What mineral is stored in bones?
A. Iron
B. Calcium
C. Sodium
D. Potassium
Correct Answer: B. Calcium
Rationale: Bones store calcium for body use.
10. What is the function of joints?
A. Store energy
B. Connect bones
C. Produce blood
D. Digest food
Correct Answer: B. Connect bones
Rationale: Joints allow movement between bones.
11. What is the muscular system’s main role?
A. Digestion
B. Movement
C. Respiration
D. Immunity