This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolic disorders, Subject name: Pediatrics
Which of the following is a clinical feature of rickets ? 
Select and explain. 
A. Early closure of anterior fontanelle, B. Craniotabes, C. Pseudoparalysis of the lower extremities, D. Decrease in upper segment to lower segment ratio
B: Craniotabes
Answer: B: Craniotabes 
Explanation: Clinical manifestations of rickets include skeletal deformities like bow legs(genu varum) in toddlers,knock- knees(genu valgum) in older children,craniotabes(soft skull),costichondral swelling(rickety rosary),Harrison groove,double malleoli due to metaphyseal hyperplasia,increased tendency for fractures,especially greenstick fractures,etc. Reference: GHAI Essential pediatrics, 8th edition