In the floor the fourth ventricle
A
The facial colliculus is next to the midline in its upper half
B
The vestibular area is adjacent to the lateral angle
C
The abducent nucleus lies deep to the facial colliculus
D
The trigonum vagi is at the inferior angle next to the midline
E
The trigonum hypoglossi is lateral to the trigonum vagi
Correct Answer: The facial colliculus is next to the midline in its upper half, The vestibular area is adjacent to the lateral angle, The abducent nucleus lies deep to the facial colliculus