Introduction to the Nervous System

Question 1

What does the interventricular foramen connect?

Answer 1

Lateral ventricles and 3rd ventricle

Question 2

What does the cerebral aqueduct connect?

Answer 2

3rd and 4th ventricle

Question 3

What is the fornix?

Answer 3

C-shaped bundle of white matter that arches over the thalamus

Question 4

Where is the insula found?

Answer 4

Floor of lateral sulcus

Question 5

What does the internal capsule separate?

Answer 5

Caudate nucleus and thalamus from the putamen and globus pallidus

Question 6

What is the function of the corona radiata?

Answer 6

Carry information to and from the cerebral cortices

Question 7

What is the corona radiata a continuation of?

Answer 7

Internal capsule

Question 8

What is within the grey matter of the brain?

Answer 8

Cell bodies of neurons

Question 9

What is within the white matter of the brain?

Answer 9

Axons

Question 10

What is the name of the periodic breaks in myelin sheath along an axon?

Answer 10

Node of ranvier

Question 11

When do the lobes and groove become evident in the brain?

Answer 11

28 weeks gestation

Question 12

What is the function of gyri?

Answer 12

Increase the surface area and volume of grey matter

Question 13

What are the main structures in the diencephalon?

Answer 13

Thalamus

Hypothalamus

Question 14

What is the name of the structure immediately superior to the corpus callosum?

Answer 14

Cingulate gyrus

Question 15

What makes up the lentiform nucleus?

Answer 15

Putamen

Globus pallidus

Question 16

What is the largest bundle of white matter?

Answer 16

Corpus callosum

Question 17

Which part of the brainstem would you find the superior and inferior colliculi?

Answer 17

Midbrain

Question 18

What are the 2 bulges in the midbrain?

Answer 18

Cerebral peduncles

Question 19

What is the bulge found in the pons?

Answer 19

Middle cerebellar peduncle

Question 20

What are the 4 bulges found in the medulla?

Answer 20

2 olives

2 pyramids