Nokea
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.
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Which of the following parts of the alimentary canal bears villi?
- A. Stomach.
- B. Ileum.
- C. Oesophagus.
- D. Rectum.
Correct Answer: B
Rationale: The ileum, part of the small intestine, contains villi that increase the surface area for nutrient absorption.
What is the word to describe the breaking up of large fat droplets into smaller ones?
- A. Catabolism
- B. Lipidolysis
- C. Lysolipidisation
- D. Emulsification
Correct Answer: D
Rationale: Emulsification is the process of breaking large fat droplets into smaller ones, typically by bile salts, to aid digestion.
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.
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.
Which organ listed below does not belong in digestive system?
- A. liver
- B. spleen
- C. tongue
- D. stomach
Correct Answer: B
Rationale: The spleen is part of the lymphatic and immune systems, not the digestive system.