Nokea
Succus entericus is secreted by-
- A. Gastric glands
- B. Islets of Langerhans
- C. Crypts of Lieberkuhn & Brunner's gland
- D. Goblet cells
Correct Answer: C
Rationale: Succus entericus is secreted by Crypts of Lieberkuhn and Brunner's glands.
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Which of the following inactivates pepsinogen into active pepsin?
- A. Ptyalin.
- B. HCL.
- C. Bile.
- D. Renin.
Correct Answer: B
Rationale: Hydrochloric acid (HCL) in the stomach activates pepsinogen, converting it into its active form, pepsin.
Carbohydrates are comprised of carbon, , and oxygen.
- A. iron
- B. hydrogen
- C. nitrogen
- D. sulfur
Correct Answer: B
Rationale: Carbohydrates consist of carbon, hydrogen, and oxygen in a specific ratio.
The terminal portion of the small intestine is the:
- A. ileum
- B. cecum
- C. duodenum
- D. jejunum
Correct Answer: A
Rationale: The ileum is the final section of the small intestine, connecting to the large intestine.
Fully digested food reaches to liver by
- A. Hepatic portal vein
- B. Hepatic artery
- C. Hepatic vein
- D. All the above
Correct Answer: A
Rationale: Nutrients from digested food reach the liver via the hepatic portal vein.
The loop of Henle pumps sodium ions from the ascending arm to the descending. What is this called?
- A. Counter current subtractor
- B. Counter current divider
- C. Counter current concentrator
- D. Counter current multiplier
Correct Answer: D
Rationale: The countercurrent multiplier in the loop of Henle concentrates urine by moving sodium ions.