CNS

Question 1

Where is cerebrospinal fluid formed

Answer 1

In choroid plexus of all four brain ventricles

Question 2

What does the medulla oblongata do

Answer 2

Adjusts rate/force of contractions
Adjusts blood vessels diameters to regulate BP
And regulates respiration rate

Question 3

Regions of the brain regulates body temperature, hunger, and thirst

Answer 3

Hypothalamus

Question 4

Besides the cerebrum what region has an outer cortical layer of grey matter

Answer 4

Cerebellum

Question 5

What two hemisphere regions are connected by the corpus colosseum

Answer 5

Cerebrum

Question 6

What region functions to direct all sensory input, except olfactory impulses, to the cerebral cortex?

Answer 6

Thalamus

Question 7

What region of the brain regulates hormonal secretion from the pituitary gland (hypothesis)

Answer 7

Hypothalamus

Question 8

The fluid filled ventricles within the cerebrum are similar in function to the —— of the spinal cord

Answer 8

Central canal

Question 9

The function of the blood brain barier is to

Answer 9

Help protect the nervous system

Question 10

The tough, dense fibrous connective tissue meningeal layer is the

Answer 10

Dura mater

Question 11

The only one of the merengues that follow the brain surface into a cerebral sulcus is the

Answer 11

Pia mater

Question 12

The main visceral center of the brain is

Answer 12

Hypothalamus

Question 13

Name the parts of a brain stem

Answer 13

Midbrain, medulla, pons

Question 14

What does the hypothalamus control

Answer 14

ANS and regulates hunger and thirst sensations

Question 15

T/F the medullary respiratory center controls the rhythms and rate of breathing

Answer 15

True

Question 16

Why does the lumbar puncture take place in the lower lumber region of the spinal cord

Answer 16

The spinal cord approximately the level of L1 making the area between L4and L5 safe location to sample cerebral spinal fluid without injuring the neural tissues of the spinal cord

Question 17

Functions of the spinal cord

Answer 17

It’s a major integration center for reflexes
It’s a two way conduction pathway for signals between body and brain
Spinal cord is involved in sensory and motor innervation of the entire body inferior to the head

Question 18

The gray matter of the spinal cord….

Answer 18

Is a mix of neuronal cell bodies, unmyelinated axons, dendrites, neuroglia

Question 19

At what vertebral level does the spinal cord terminate (inferiorly) in the ave adult

Answer 19

Between L1 and L2

Question 20

Cell bodies of the sensory neurons of the spinal nerves are located in

Answer 20

The dorsal root ganglia external to the spinal cord

Question 21

Posterior gray horns of the spinal cord consists of

Answer 21

Cell bodies of interneurons

Question 22

The cuada equine

Answer 22

Is a series of nerve roots in the lumbar and sacral region

Question 23

T/F the white mater of the spinal cord contains ascending and descending pathways known as tracts

Answer 23

True