questions

Question 1

what do neurons/nerve cells consist of

Answer 1

 a cell body

Question 2

What is included in a cell body?

Answer 2

nucleus, nerve fibers called dendrites, and single nerve fibers called a axon

Question 3

What is the lipid covering of an axon called?

Answer 3

Myelin sheath

Question 4

some of the cranial nerves are responsible for

Answer 4

special senses, such as sight hearing taste and smell

Question 5

The somatic nervous system consist of what

Answer 5

12 pairs of cranial nerves and their branches
31 pairs of spinal nerves and their branches

Question 6

what does the peripheral nervous system consist of?

Answer 6

Somatic nervous system and autonomic nervous system

Question 7

after Cerebrospinal fluid circulates, what does it do?

Answer 7

It is absorbed into the blood vessels of the duma and returned to the bloodstream through special structures called the arachnoid villi

Question 8

what does cerebrospinal fluid do?

Answer 8

Serves as a shock absorber
Carries nutrients to some parts of the brain and spinal cord
Helps remove metabolic products and waste

Question 9

ventricles are filled with what

Answer 9

A fluid called Cerebrospinal fluid

Question 10

How many ventricles does the brain have?

Answer 10

Four

Question 11

Where does the spinal cord continue down from?

Answer 11

medulla oblongata and ends at the first or second lumbar vertebrae

Question 12

How many divisions are in the autonomic nervous system?

Answer 12

Two

Question 13

What does the autonomic nervous system maintain and do?

Answer 13

maintains a balance in the involuntary functions of the body and allows the body to react in times of emergency

Question 14

The _______ nervous system is an important part of the _____ nervous system

Answer 14

automatic and peripheral

Question 15

how is Hydrocephalus treated?

Answer 15

by the surgical implantation of a shunt(tube) between the ventricles, the veins heart or abdominal peritoneal cavity(stomach) to provide for drainage of excess fluid

Question 16

what is TPA?(tissue plasminogen activator)

Answer 16

thrombolytic or “clotbusting “drugs
Can dissolve blood clots and restore blood flow to the brain

Question 17

When a CVA occurs what can prevent brain damage?

Answer 17

Immediate care within the first three hours

Question 18

What is the cell body?

Answer 18

-nucleus
nerve fibers called DENTRITES
-that carry impulses toward the cell body
single nerve fibers called AXON
- that carry impulses away from the body

Question 19

What do dendrites do?

Answer 19

Carry impulses toward the cell body

Question 20

What do axons do?

Answer 20

Carry impulses away from the cell body