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NEET MDS Quiz - Practice Test
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physiology - 3 Questions

1
Physiology

What is the transport maximum for glucose reabsorption in the kidneys?
1) 125 mg/min
2) 250 mg/min
3) 375 mg/min
4) 500 mg/min

📝 Explanation:

The transport maximum for glucose reabsorption in the kidneys is about 375 mg/min, which indicates the maximum amount of glucose that can be reabsorbed before it appears in the urine.

2
Physiology

What is the primary site of vitamin B12 absorption in the intestine?
1) Stomach
2) Duodenum
3) Jejunum
4) Ileum

📝 Explanation:

The primary site of vitamin B12 absorption in the intestine is the ileum, where it binds to intrinsic factor for absorption.

3
Physiology

What is the primary effect of parathyroid hormone on serum calcium levels during pregnancy?
1) Decreases serum calcium levels
2) Increases serum calcium levels by mobilizing calcium from maternal bones
3) Has no effect on serum calcium levels
4) Increases serum calcium levels by enhancing calcium absorption in the gut

📝 Explanation:

Answer: 2) The primary effect of parathyroid hormone during pregnancy is to increase serum calcium levels by mobilizing calcium from maternal bones for fetal use.

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