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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Secretion of enterogastrone would be stimulated by the presence of:
- A. protein in the small intestine
- B. protein in the stomach
- C. fat in the small intestine
- D. fat in the stomach
Correct Answer: C
Rationale: Enterogastrone secretion is triggered by fats in the small intestine to slow gastric emptying.
Filiform papilla of tongue:
- A. Present at sulcus terminalis.
- B. Covered by Parakeratinized epith.
- C. Carry taste buds.
- D. Has underlying Von Ebner's glands.
Correct Answer: B
Rationale: Filiform papillae are covered by parakeratinized epithelium and are numerous on the anterior tongue, but they do not carry taste buds or have Von Ebner's glands.
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.
Match: Polysaccharide
- A. starch or cellulose
- B. composed of amino acids
- C. used for insulation
- D. makes up cell membranes
Correct Answer: A
Rationale: Polysaccharides, such as starch and cellulose, are complex carbohydrates that store energy or provide structural support.
The absorption of fructose by intestinal mucosa is
- A. Co-transport mechanism
- B. Simple diffusion
- C. Facilitated transport
- D. Active transport
Correct Answer: C
Rationale: Fructose is absorbed via facilitated transport through GLUT5 transporters in the intestinal mucosa.