Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. The primary function of the liver includes:
A. Detoxification of drugs and toxins
B. Storage of glycogen
C. Production of bile
D. All of the above
Correct answer: D
Rationale: Liver performs multiple functions including metabolism,
storage, and bile production for digestion.
2. The hepatic portal vein carries blood from:
A. Gastrointestinal tract to the liver
B. Liver to the heart
C. Kidneys to liver
D. Spleen to stomach
Correct answer: A
,Rationale: This vein brings nutrient-rich blood from intestines to
the liver for processing.
3. Kupffer cells are responsible for:
A. Phagocytosis of bacteria and old RBCs
B. Secretion of bile
C. Glucose metabolism
D. Hormone secretion
Correct answer: A
Rationale: Specialized macrophages in liver sinusoids clear
pathogens and debris.
4. Bile is composed of:
A. Bile salts, cholesterol, bilirubin, and water
B. Enzymes and glucose
C. Proteins and fats
D. Hormones only
Correct answer: A
Rationale: Bile emulsifies fats for digestion and facilitates
absorption of fat-soluble vitamins.
5. Gallstones are mainly formed from:
A. Cholesterol
B. Glucose
,C. Proteins
D. Sodium
Correct answer: A
Rationale: Supersaturation of cholesterol in bile leads to
precipitation and stone formation.
6. The gallbladder stores:
A. Bile
B. Pancreatic enzymes
C. Acidic chyme
D. Hormones
Correct answer: A
Rationale: Gallbladder concentrates and stores bile until fat
digestion is needed.
7. Which hormone stimulates gallbladder contraction?
A. Cholecystokinin (CCK)
B. Secretin
C. Gastrin
D. Insulin
Correct answer: A
Rationale: CCK is released by duodenal cells in response to fat and
protein in chyme.
, 8. Pancreatic acinar cells secrete:
A. Digestive enzymes (amylase, lipase, trypsin)
B. Insulin
C. Glucagon
D. Bile
Correct answer: A
Rationale: These enzymes digest carbohydrates, proteins, and fats in
the small intestine.
9. Pancreatic duct cells secrete:
A. Bicarbonate
B. Insulin
C. Glucagon
D. Gastrin
Correct answer: A
Rationale: Neutralizes acidic chyme entering the duodenum to
optimize enzyme activity.
10. Secretin stimulates:
A. Pancreatic bicarbonate secretion
B. Gastric acid secretion
C. Gallbladder contraction
D. Insulin secretion
Correct answer: A