Nokea
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.
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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.
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.
Which of the following is not a function of liver :-
- A. Deamination
- B. Bile storage
- C. Synthesis of plasma protein
- D. Storage of fat soluble vitamin
Correct Answer: B
Rationale: Bile storage is a function of the gallbladder, not the liver, which produces bile.
Jaundice is a disorder of :
- A. Skin and eyes
- B. Digestive system
- C. Circulatory system
- D. Excretory system
Correct Answer: B
Rationale: Jaundice is a digestive disorder caused by liver dysfunction, leading to bilirubin buildup.
A patient who has undergone gastrectomy (removal of the stomach) may suffer from:
- A. cirrhosis
- B. pernicious anemia
- C. gastric ulcer
- D. inability to digest fats
Correct Answer: B
Rationale: Gastrectomy can lead to pernicious anemia due to reduced intrinsic factor production, necessary for vitamin B12 absorption.