BIOS 252 Week 7 Quiz Exam 2 (Latest
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. The primary function of the liver in digestion is:
A. Produce enzymes
B. Secrete bile, detoxify, and metabolize nutrients
C. Absorb water only
D. Store food
Correct Answer: B
Rationale: The liver produces bile for fat emulsification and
detoxifies chemicals.
2. Bile emulsifies:
A. Proteins
B. Fats
C. Carbohydrates
D. Nucleic acids
Correct Answer: B
Rationale: Breaks large fat droplets into smaller micelles for
digestion.
,3. The gallbladder stores:
A. Pancreatic juice
B. Bile
C. Saliva
D. Gastric acid
Correct Answer: B
Rationale: Releases bile into the duodenum when fats are present.
4. The pancreas secretes:
A. Digestive enzymes and bicarbonate
B. Bile only
C. Saliva only
D. Gastric acid only
Correct Answer: A
Rationale: Neutralizes chyme and digests carbohydrates, proteins,
and fats.
5. The small intestine absorbs:
A. Water only
B. Nutrients including carbohydrates, proteins, and fats
C. Bile only
D. Gastric acid only
Correct Answer: B
Rationale: Villi and microvilli maximize absorptive surface area.
,6. The duodenum receives:
A. Chyme, bile, and pancreatic juice
B. Saliva only
C. Colon contents only
D. Rectal contents only
Correct Answer: A
Rationale: Neutralizes acid and continues digestion of
macronutrients.
7. The jejunum is primarily for:
A. Nutrient absorption
B. Bile storage
C. Acid secretion
D. Water absorption only
Correct Answer: A
Rationale: Extensive villi increase surface area for nutrient
absorption.
8. The ileum absorbs:
A. Vitamin B12 and bile salts
B. Proteins only
C. Carbohydrates only
D. Fats only
Correct Answer: A
, Rationale: Specialized for specific nutrient absorption in the distal
small intestine.
9. Peyer’s patches are located in the:
A. Ileum
B. Stomach
C. Colon
D. Duodenum
Correct Answer: A
Rationale: Lymphoid tissue monitoring intestinal bacteria for
immunity.
10. The appendix contains:
A. Lymphoid tissue
B. Digestive enzymes
C. Bile
D. RBCs only
Correct Answer: A
Rationale: Minor immune function, contributes to gut microbiota
maintenance.
11. The large intestine absorbs:
A. Nutrients only
B. Water and electrolytes
C. Proteins only
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. The primary function of the liver in digestion is:
A. Produce enzymes
B. Secrete bile, detoxify, and metabolize nutrients
C. Absorb water only
D. Store food
Correct Answer: B
Rationale: The liver produces bile for fat emulsification and
detoxifies chemicals.
2. Bile emulsifies:
A. Proteins
B. Fats
C. Carbohydrates
D. Nucleic acids
Correct Answer: B
Rationale: Breaks large fat droplets into smaller micelles for
digestion.
,3. The gallbladder stores:
A. Pancreatic juice
B. Bile
C. Saliva
D. Gastric acid
Correct Answer: B
Rationale: Releases bile into the duodenum when fats are present.
4. The pancreas secretes:
A. Digestive enzymes and bicarbonate
B. Bile only
C. Saliva only
D. Gastric acid only
Correct Answer: A
Rationale: Neutralizes chyme and digests carbohydrates, proteins,
and fats.
5. The small intestine absorbs:
A. Water only
B. Nutrients including carbohydrates, proteins, and fats
C. Bile only
D. Gastric acid only
Correct Answer: B
Rationale: Villi and microvilli maximize absorptive surface area.
,6. The duodenum receives:
A. Chyme, bile, and pancreatic juice
B. Saliva only
C. Colon contents only
D. Rectal contents only
Correct Answer: A
Rationale: Neutralizes acid and continues digestion of
macronutrients.
7. The jejunum is primarily for:
A. Nutrient absorption
B. Bile storage
C. Acid secretion
D. Water absorption only
Correct Answer: A
Rationale: Extensive villi increase surface area for nutrient
absorption.
8. The ileum absorbs:
A. Vitamin B12 and bile salts
B. Proteins only
C. Carbohydrates only
D. Fats only
Correct Answer: A
, Rationale: Specialized for specific nutrient absorption in the distal
small intestine.
9. Peyer’s patches are located in the:
A. Ileum
B. Stomach
C. Colon
D. Duodenum
Correct Answer: A
Rationale: Lymphoid tissue monitoring intestinal bacteria for
immunity.
10. The appendix contains:
A. Lymphoid tissue
B. Digestive enzymes
C. Bile
D. RBCs only
Correct Answer: A
Rationale: Minor immune function, contributes to gut microbiota
maintenance.
11. The large intestine absorbs:
A. Nutrients only
B. Water and electrolytes
C. Proteins only
