Module 5

Question 1

The two components of the CNS are what?

Answer 1

brain and spinal cord

Question 2

What is gray matter?

Answer 2

unmyelinated somas, dendrites, and axons

Question 3

What is white matter?

Answer 3

myelinated axons

Question 4

The ___ root carries sensory information to the CNS, while the ____ root carries motor information to muscles and glands.

Answer 4

Dorsal

Ventral

Question 5

Where does sensory information from the dorsal root enter?

Answer 5

Dorsal horn

Question 6

Clusters of cell bodies in the CNS are called ___, clusters of cell bodies in the PNS are called ____.

Answer 6

Nuclei

Ganglia

Question 7

Ascending tracts carry ____ to the brain, descending tracts carry commands to ____.

Answer 7

Sensory info

Motor neurons

Question 8

What are the 6 major divisions of the brain?

Answer 8

Cerebrum
Cerebellum
Diencephalon
Pons
Medulla 
Midbrain

Question 9

What are the 4 divisions of the brainstem?

Answer 9

Midbrain
Pons
Medulla
Reticular formation

Question 10

Where would you expecting to find ascending and descending tracts?

Answer 10

Brainstem

Question 11

Which brain structure is responsible for involuntary actions such as breathing rate, vomiting’s, swallowing, coughing, sneezing etc.?

a) pons
b) hypothalamus
c) medulla
d) cerebrum

Answer 11

c) medulla

Question 12

Which brain structure relays information between the cerebellum and cerebrum?

a) pons
b) medulla
c) midbrain
d) reticular formation

Answer 12

a) pons

Question 13

Which brain structure functions in controlling eye movement?

a) diencephalon
b) midbrain
c) thalamus
d) retic form

Answer 13

b) midbrain

Question 14

which brain structure is responsible for consciousness, arousal, attention, and alertness?

a) pons
b) hypothalamus
c) pituitary
d) reticular formation

Answer 14

d) reticular formation

Question 15

which brain structure coordinates movement and regulates posture and balance?

a) cerebellum
b) cerebrum
c) thalamus
d) diencephalon

Answer 15

a) cerebellum

Question 16

the diencephalon contains two primary structures and two endocrine structures, what are these structures?

Answer 16

primary structures: thalamus and hypothalamus

endocrine structures: pineal gland and pituitary

Question 17

The gray matter of the cerebellum includes: ____, ____, and ____.

Answer 17

cerebral cortex, basal ganglia, limbic system

Question 18

What connects the two hemispheres of the cerebellum?

Answer 18

corpus callosum

Question 19

which brain structure is considered the “emotional brain”?

a) cerebral cortex
b) thalamus
c) pituitary
d) limbic system

Answer 19

d) limbic system

Question 20

Inward invaginations of the cerebrum are known as ___, outward invaginations are known as ___.

Answer 20

Sulci

Gyri

Question 21

What are the 4 lobes of the cerebrum and what do they each do?

Answer 21

Frontal: motor association
Temporal: auditory association
Occipital: visual association
Parietal: sensory association

Question 22

Daniel got dropped on his head as a kid and it led to him having trouble making sense of auditory information. Which lobe was most likely damaged?

a) frontal
b) occipital
c) parietal
d) temporal

Answer 22

d) temporal