Question

question
what would happen if the cerebrospinal fluid (csf) builds up in the skull and is not drained properly in an infant?
answer
csf will drain through the nose cavity to relieve the pressure
in neonates on the fontanelles (soft - spots), the csf is squeezed out of the cranial cavity.
the skull enlarges due to fluid buildup.
i dont know yet

Explanation:

In infants, if cerebrospinal fluid (CSF) builds - up and is not drained properly, due to the still - developing and flexible skull structure, the skull will enlarge because of the fluid buildup. This condition is known as hydrocephalus.

Answer:

The skull enlarges due to fluid buildup.