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
Bulging anterior fontanel is/are seen in – 
Select and explain. 
A. Rickets, B. CMV infection, C. Tetracycline therapy, D. All of these
D: All of these
Answer: D: All of these 
Explanation: Bulging anterior fontanel 

The fontanel is normally flat or slightly depressed relative to the frontal and parietal bones and is pulsatile.
Bulging fontanel is a reliable sign of raised ICT during infancy.
The pulsations may disappear when fontanel becomes tense due to marked elevation of ICT.