Try it
PSM · Nutrition: vitamin A deficiency
Sample itemWhich ocular manifestation is associated with vitamin A deficiency in children?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. Bitot spots and xerophthalmia
Vitamin A deficiency causes xerophthalmia, including conjunctival dryness and Bitot spots, and can progress to corneal damage and blindness. Prevention includes adequate diet and indicated supplementation programs.
Option by option
A. Bitot spots and xerophthalmia (correct)
Correct. These are classic vitamin A deficiency manifestations.
B. Papilledema
Papilledema reflects raised intracranial pressure.
C. Kayser-Fleischer rings
Kayser-Fleischer rings occur in Wilson disease.
D. Cataract from trauma
Traumatic cataract has a different cause.
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 PSM questions
- BiostatisticsOf 200 people who truly have a disease, a screening test is positive in 180. What is the…
- Environmental healthAfter one hour of contact time, what residual free chlorine level is generally recommend…
- EpidemiologyWhich study design is the most efficient for investigating risk factors of a rare disease?
- BiostatisticsIn hypothesis testing, a Type I error is: