Which of these is not a carbohydrate?
- A. sugar
- B. starch
- C. fat
- D. cellulose
Correct Answer: C
Rationale: Fat is a lipid, not a carbohydrate, unlike sugar, starch, and cellulose.
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Which organ is retroperitoneal?
- A. liver
- B. ileum
- C. stomach
- D. pancreas
Correct Answer: D
Rationale: The pancreas is a retroperitoneal organ, located behind the peritoneum.
How should the student explain the normal function of the pancreas in the process of digestion?
- A. Produces enzymes for digestion
- B. Stores bile
- C. Secretes gastrin
- D. Absorbs nutrients
Correct Answer: A
Rationale: The pancreas produces digestive enzymes (e.g., trypsin, amylase) for breaking down proteins, carbohydrates, and fats.
Insulin is secreted by pancreatic cells-
- A. α-cells
- B. β-cells
- C. Delta cells
- D. Gama cells
Correct Answer: B
Rationale: Insulin is secreted by β-cells in the Islets of Langerhans.
During active HCL secretion parietal cell shows:
- A. Few short microvilli while tubulovesicular system increases.
- B. Microvilli are prominent numerous while the tubulovesicular system decreases.
- C. More rER & secretory vesicles
- D. Cytoplasm becomes more basophilic
Correct Answer: B
Rationale: During active HCl secretion, parietal cells' intracellular canaliculi expand with numerous microvilli, and the tubulovesicular system decreases as it fuses with the canaliculi.
C-shaped widest part of intestine
- A. Pancreas
- B. Liver
- C. Duodenum
- D. Thyroid
Correct Answer: C
Rationale: The duodenum is the C-shaped, widest part of the small intestine.
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