Nokea
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.
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Bilirubin and biliverdin are formed in-
- A. Kidney
- B. Liver
- C. Salivary glands
- D. Stomach
Correct Answer: B
Rationale: Bilirubin and biliverdin are bile pigments formed in the liver from hemoglobin breakdown.
Which enzyme works in highly acidic pH
- A. Pepsin
- B. Lipase
- C. Erepsin
- D. Amylopsin
Correct Answer: A
Rationale: Pepsin functions optimally in the highly acidic pH of the stomach (around 1.8-2).
The glomerular capillaries are where?
- A. Collecting duct
- B. Bowman's capsule
- C. Loop of Henle
- D. Proximal convoluted tubule
Correct Answer: B
Rationale: Glomerular capillaries are in Bowman's capsule, where filtration occurs.
Micelle formation is necessary for the intestinal absorption of
- A. Galactose
- B. Vitamin B12
- C. Vitamin D
- D. Bile salts
Correct Answer: C
Rationale: Micelles, formed by bile salts, facilitate the absorption of fat-soluble vitamins like vitamin D in the small intestine.
What is the site of amino acids absorption in human's small intestine?
- A. Duodenum
- B. Jejunum
- C. Ileum
- D. Both (2) and (3)
Correct Answer: D
Rationale: Amino acids are absorbed mainly in the jejunum and ileum of the small intestine.