NEET MDS Quiz - Practice Test

1

Physiology

Which of the following is the primary active transport mechanism for calcium absorption in the intestine?
1) Vitamin D dependent calcium binding protein (calbindin)
2) Sodium-calcium exchanger (NCX)
3) Calcium-dependent ATPase
4) All of the above

Option 1

Option 2

Option 3

Option 4

📝 Explanation:

Calcium is absorbed mainly in the duodenum and jejunum by an active transport mechanism regulated by 1,25 (OH)2 D3 (calcitriol). It is transported across the brush border of intestinal epithelial cells via TRPV6 channels and binds to calbindin. The absorbed calcium is then delivered to the basolateral membrane by calbindin, and from there it is transported into the bloodstream by either the sodium-calcium exchanger (NCX) or calcium-dependent ATPase.

2

Prosthodontics

Lateral throat form occupied by retromylohoid flange in lower denture
1. Has nothing to do with the denture
2. Should be large, one-half inch
3. Should be small, less than half inch
4. Should be larger, more than 2 inches

Option 1

Option 2

Option 3

Option 4

📝 Explanation:

Lateral throat form occupied by retromylohyoid flange in lower denture should be large, one-half inch.

3

Pathology

All the following can produce febrile jaundice except -
1. Leptospirosis
2. Malaria
3. Enteric fever
4. Viral Hepatitis A

Option 1

Option 2

Option 3

Option 4

📝 Explanation:

Leptospirosis, Malaria, Viral Hepatitis A can produce febrile jaundice

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