Nokea
In pancreas, pancreatic juice and hormone are secreted by-
- A. Islets of Langerhans
- B. Cells of Acini and Islets of Langerhans respectively
- C. Islets of Langerhans and cells of Acini respectively
- D. None of these.
Correct Answer: B
Rationale: Pancreatic juice is secreted by acinar cells, and hormones by Islets of Langerhans.
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Fundic glands have the following features EXCEPT:
- A. Are found in gastric mucosa
- B. Are simple branched tubular glands
- C. Have short pits
- D. Its tubular acini are highly coiled
Correct Answer: D
Rationale: Fundic glands are straight or slightly branched, not highly coiled; pyloric glands are more coiled.
Which of the following statements best describes the migrating motor complex (MMC)?
- A. It is responsible for the peristaltic movement of food along the entire gastrointestinal tract
- B. It is a cyclic pattern of motility that primarily occurs during the postprandial (after-meal) period
- C. It involves segmental contractions that aid in the mixing and breakdown of food particles
- D. It occurs during fasting and clears residual contents from the stomach and small intestine
Correct Answer: D
Rationale: The MMC is a fasting-state motility pattern that clears residual contents, regulated by motilin, not active postprandially.
Hyperthermic means:
- A. Too cold
- B. Normal
- C. Too hot
- D. Stable
Correct Answer: C
Rationale: Hyperthermic refers to an abnormally high body temperature.
Brunner's gland are found in which of the following layers :
- A. Submucosa of stomach
- B. Mucosa of ileum
- C. Submucosa of duodenum
- D. Mucosa of oesophagus
Correct Answer: C
Rationale: Brunner's glands are located in the submucosa of the duodenum.
Absorption of digested food chiefly occurs in-
- A. Stomach
- B. Colon
- C. Small Intestine
- D. Large Intestine
Correct Answer: C
Rationale: The small intestine is the primary site for nutrient absorption due to its large surface area.