What statement is wrong about bile?
- A. It is necessary for fat digestion
- B. It is stored in the gall bladder
- C. It is important only for normal digestion of sugar
- D. It activates lipase
Correct Answer: C
Rationale: Bile is not involved in sugar digestion; it emulsifies fats for digestion.
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The enzymes present in pancreatic juice are
- A. Amylase, Trypsinogen, Peptidase, Rennin
- B. Trypsinogen, Lipase, Amylase, Procarboxypeptidase
- C. Peptidase, Pepsin, Amylase, Rennin
- D. Maltase, Amylase, Trypsinogen, Pepsin
Correct Answer: B
Rationale: Pancreatic juice contains amylase, lipase, trypsinogen, and procarboxypeptidase for digesting carbohydrates, fats, and proteins.
What is the name of the blood vessel that brings blood to the kidney?
- A. Hepatic artery
- B. Renal vein
- C. Hepatic vein
- D. Renal artery
Correct Answer: D
Rationale: The renal artery supplies blood to the kidney for filtration.
In human body, the digestion of protein begins in which of the following organs?
- A. Liver
- B. Mouth
- C. Small intestine
- D. Stomach
Correct Answer: D
Rationale: The digestion of protein begins in the stomach, where pepsin, activated by hydrochloric acid, starts breaking down proteins into smaller peptides.
A gastrointestinal tumor involving villi and plicae circulares might interfere with:
- A. deglutition
- B. absorption
- C. peristalsis
- D. defecation
Correct Answer: B
Rationale: Villi and plicae circulares increase the surface area for absorption in the small intestine. A tumor affecting these structures would impair absorption.
PYLORUS OF THE STOMACH all true except:
- A. The mucosa is thinner than that of fundus.
- B. Glands are lined with Mucous neck cells
- C. Glans are perpendicular on muscularis mucosa
- D. Pits are deep & wide
Correct Answer: C
Rationale: Pyloric glands are not perpendicular but are coiled and branched, unlike the straighter fundic glands.