1. Which of the following is NOT contained in the posterior fossa? a. Third ventricle b. Fourth ventricle c. Cerebellum d. Brainstem 2. A sonogram of the neonatal brain in a preterm infant...

1. Which of the following is NOT contained in the posterior fossa?

a. Third ventricle

b. Fourth ventricle

c. Cerebellum

d. Brainstem

2. A sonogram of the neonatal brain in a preterm infant demonstrates a thickened and irregular left choroid plexus. Echogenic material is also noted in the left occipital horn of the lateral ventricle. What grade of GM-IVH would be assigned to this patient?

a. Grade I

b. Grade II

c. Grade III

d. Grade IV