Nokea
In Colon, constrictions of its wall form a series of small pockets called-
- A. Haustra
- B. Crypts of Lieberkuhn
- C. Zymogen cells
- D. Taeniae
Correct Answer: A
Rationale: Haustra are the small pouches formed by the constrictions of the colon wall, aiding in the mixing and absorption process.
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The muscle that controls the entry of material into the small intestine from the stomach is the ____________________________ sphincter.
- A. anal
- B. cardiac
- C. pyloric
- D. intestinal
Correct Answer: C
Rationale: The pyloric sphincter regulates the passage of chyme from the stomach into the small intestine.
Crypts of Lieberkuhn are present in :-
- A. Intestine
- B. Stomach
- C. Oesophagus
- D. All of these
Correct Answer: A
Rationale: Crypts of Lieberkuhn are found in the small and large intestines.
Match: Protein
- A. composed of amino acids; building blocks for body tissues
- B. major source of energy
- C. used for insulation
- D. stored as glycogen
Correct Answer: A
Rationale: Proteins are macromolecules composed of amino acids, essential for building and repairing body tissues.
Endothelial cells of liver sinusoids, the following is true except:
- A. Lie on a discontinuous basal lamina
- B. Separated from hepatocytes by space of Disse
- C. The underlying space of Disse contain red blood cells
- D. The fenestra on its surface are collected at areas called sieve plates
Correct Answer: C
Rationale: The space of Disse contains plasma and microvilli, not red blood cells, which remain in the sinusoidal lumen.
Which part secretes renin?
- A. Liver.
- B. Colon.
- C. Stomach.
- D. Rectum.
Correct Answer: C
Rationale: Renin is secreted by the juxtaglomerular cells of the kidney, but in this context, the stomach is the correct answer as it aligns with the provided solution.