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NEET MDS Quiz - Practice Test
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Physiology - 3 Questions

1
Physiology

MCQ: The glomerular filtration barrier consists of:
1) Endothelial cells
2) Basement membrane
3) Podocytes
4) All of the above

📝 Explanation:

The glomerular filtration barrier consists of endothelial cells, basement membrane, and podocytes, all of which work together to filter blood in the kidneys.

2
Physiology

Which of the following is NOT a clinical consequence of defective bile acid absorption?
1) Fat malabsorption
2) Steatorrhea
3) Hemolytic anemia
4) Vitamin K deficiency

📝 Explanation:

Hemolytic anemia is NOT a clinical consequence of defective bile acid absorption; rather, it is associated with the destruction of red blood cells, while fat malabsorption, steatorrhea, and vitamin K deficiency can occur due to bile salt deficiency.

3
Physiology
Which of the following inhibits gastric acid secretion?
1) Low pH in the stomach
2) High pH in the duodenum
3) Secretion of gastrin
4) Both A and B

📝 Explanation:

Gastric acid secretion is inhibited by acidification of the stomach and duodenum. Low pH (acidity) in the stomach inhibits gastrin release from G cells, while high pH in the duodenum also contributes to the negative feedback mechanism that reduces acid secretion.

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