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: Orthopaedics
True about nutritional rickets -a) Craniotabesb) Multiple #c) Widening of wristd) ↓ Phosphate in serume) Growth retardation 
Select and explain. 
A. acde, B. bde, C. abcd, D. abde
A: acde
Answer: A: acde 
Explanation: Craniotabes, widening of wrist and growth retardation occur in rickets.
Serum phosphate is low.