Nokea
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.
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The following cells are found in gastric glands EXCEPT:
- A. Parietal cells
- B. Goblet cells
- C. Chief cells
- D. Argentaffine cells.
Correct Answer: B
Rationale: Goblet cells are found in the intestines, not gastric glands, which contain parietal, chief, and argentaffin (enteroendocrine) cells.
When administered intravenously, this hormone has the capability to initiate a phase of robust sequential contractions in the proximal duodenum, which gradually moves towards the cecum:
- A. Cholecystokinin (CCK)
- B. Gastrin
- C. Motilin
- D. Secretin
Correct Answer: C
Rationale: Motilin triggers the migrating motor complex, initiating strong contractions from the duodenum to the cecum during fasting.
Removal of waste from body in the form of undigested food is called
- A. Digestion
- B. Absorption
- C. Assimilation
- D. Egestion
Correct Answer: D
Rationale: Egestion is the removal of undigested waste from the body.
During prolonged starvation, body derives nutrition from storage of -
- A. Liver and adipose tissue
- B. Spleen
- C. Liver and lungs
- D. Subcutaneous fat and Pancreas
Correct Answer: A
Rationale: During starvation, the body uses glycogen from the liver and fats from adipose tissue.
Amylase in saliva initiates digestion of:
- A. lipids
- B. proteins
- C. fats
- D. carbohydrates
Correct Answer: D
Rationale: Salivary amylase breaks down carbohydrates into simpler sugars.