This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
Pseudoparalysis in an infant is suggestive of ? 
Select and explain. 
A. Acute Rheumatic fever, B. Vitamin B6 deficiency, C. Vitamin E deficiency, D. Vitamin C deficiency
D: Vitamin C deficiency
Answer: D: Vitamin C deficiency 
Explanation: Ans. is 'd' i.e., Vit C deficiencyPseudoparalysis o A voluntary restriction of motion because of pain, incordination or other cause, but not due to actual muscular paralysis.Causes of pseudoparalysisScurvy (vitamin C deficiency) o OsteomyelitisSeptic (ahritis) o Congenital syphilis