> *Previous Question Correct Answer is (d)* A programmable shunt is a type of ventriculoperitoneal shunt (VPS) that is used for hydrocephalus. Hydrocephalus is a neurological disease literally meaning water on the brain and be very disabling. VP shunt are placed to treat hydrocephalus (hi-droh-sef-eh-less) happens when CSF does not drain out of the hollow spaces inside the brain (called ventricles) as is should. VP shunts drain the extra fluid and help prevent pressure from getting too high in the brain.