Try it
Orthopaedics · Metabolic bone disease
Sample itemWhich vitamin is essential for efficient intestinal calcium absorption and bone mineralization?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
B. Vitamin D
Vitamin D promotes intestinal calcium absorption and supports mineralization; deficiency can contribute to osteomalacia or rickets.
Option by option
A. Vitamin B12
Vitamin B12 deficiency causes hematologic and neurologic effects.
B. Vitamin D (correct)
Correct: vitamin D is central to calcium homeostasis.
C. Vitamin K only
Vitamin K has other roles but is not the principal answer.
D. Vitamin C
Vitamin C supports collagen synthesis but not calcium absorption chiefly.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
More Orthopaedics questions
- Upper limb fracturesWhich complication is characteristic of a fracture through the waist of the scaphoid?
- Fractures in childrenA child with a displaced supracondylar fracture of the humerus develops a painful, pale…
- Bone tumoursA teenager has knee pain and a radiograph around the distal femur showing a sunburst per…
- HipA positive Trendelenburg sign is due to weakness of the gluteus medius and minimus. Whic…