Nokea
The intestine has a large surface area. Why?
- A. To make the passage of nutrients through the intestine faster
- B. To make the passage of nutrients through the intestine slower
- C. To make absorption of nutrients more efficient
- D. To make the absorption of nutrients slower
Correct Answer: C
Rationale: A large surface area, due to villi and microvilli, enhances nutrient absorption efficiency.
You may also like to solve these questions
If an incision had to be made in the small intestine to remove an obstruction, which tunica would be cut first?
- A. muscularis
- B. mucosa
- C. submucosa
- D. serosa
Correct Answer: D
Rationale: The serosa is the outermost layer of the small intestine and would be the first layer cut during surgery.
If an incision had to be made in the small intestine to remove an obstruction, which tunica would be cut first?
- A. muscularis
- B. mucosa
- C. submucosa
- D. serosa
Correct Answer: D
Rationale: The serosa is the outermost layer of the small intestine and would be the first layer cut during surgery.
All the following are contents of space of Disse except:
- A. Pit cells
- B. Unmyelinated nerve fibers
- C. Ito cells
- D. Kupffer cells
Correct Answer: D
Rationale: Kupffer cells are in the sinusoidal lumen, not the space of Disse, which contains Ito cells, plasma, and microvilli.
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.
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.