Anatomy of the Nervous System

Question 1

What makes up the nervous system?

Answer 1

Brain
Spinal cord
Peripheral Nerves

Question 2

What are the five basic function of the nervous system?

Answer 2

1. Initiate and/or regulate movement of body parts by the contraction of muscles
2. Regulate secretions from glands
3. Gather info about the external environment of the body through its senses
4. Maintain an appropriate state of consciousness
5. Stimulate thirst, hunger, fear, rage, and sexual behaviors appropriate for survival

Question 3

What does CNS stand for?

Answer 3

Central nervous system

Question 4

What makes up the central nervous system?

Answer 4

Brain and spinal cord

Question 5

What does the CNS do?

Answer 5

Interprets info arriving via the peripheral nervous system

Question 6

What does PNS stand for?

Answer 6

Peripheral nervous system

Question 7

What makes up the peripheral nervous system?

Answer 7

Cranial and spinal nerves going to the body

Question 8

What does the PNS do?

Answer 8

Sensory nerves gather info about the external and internal environments and relay this info to the CNS

Question 9

What does ANS stand for?

Answer 9

Autonomic nervous system

Question 10

What does the autonomic nervous system do?

Answer 10

Regulates activity in viscera and other structures not normally under voluntary control

Question 11

_____ structures: smooth muscle, cardiac muscle and glands

Answer 11

Visceral

Question 12

The ANS has both _____ and _____ components

Answer 12

sensory; motor

Question 13

How many parts is the ANS divided into? What are they?

Answer 13

2; sympathetic, parasympathetic

Question 14

Sympathetic is the _____ response

Answer 14

fight or flight

Question 15

Parasympathetic is the _____ response

Answer 15

rest and digest

Question 16

The nervous system is the _____ system to begin to form in the embryo

Answer 16

1st organ

Question 17

What are the three subdivisions of the brain?

Answer 17

1. Cerebrum
2. Cerebellum
3. Brainstem

Question 18

What is the cerebral cortex?

Answer 18

Layer of cerebral grey matter

Question 19

_____ - Layer of cerebral grey matter

Answer 19

Cerebral cortex

Question 20

What are lobes?

Answer 20

Anatomic regions of the brain defined by consistent features and general function

Question 21

_____ - Anatomic regions of the brain defined by consistent features and general function

Answer 21

Lobe

Question 22

What are meninges?

Answer 22

Coverings of the brain and spinal cord

Question 23

_____ - coverings of the brain and spinal cord

Answer 23

Meninges

Question 24

What is included in meninges? List them in order from deep to superficial

Answer 24

1. Pia mater (deep)
2. Arachnoid
3. Dura mater (superficial)

Question 25

What is the epidural space?

Answer 25

Fat filled space next to the vertebral canal

Question 26

_____ - Fat filled space next to the vertebral canal

Answer 26

Epidural space

Question 27

Epidural space injection between the _____ vertebrae can aid to repair uterine, vaginal or rectal prolapses

Answer 27

1st and 2nd

Question 28

Injections of anesthetics in the epidural space is often done for ____ procedures

Answer 28

obstetric

Question 29

The spinal cord is the continuation of the _____

Answer 29

medulla oblongata

Question 30

Where is the spinal cord’s gray matter found?

Answer 30

At the center of the cord, unlike the cerebrum

Question 31

When is a nerve block used?

Answer 31

It is performed for surgery or to diagnose a site of pain

Question 32

Nerving is the cutting of a _____ nerve to relieve pain

Answer 32

palmar/plantar digital

Question 33

What is sweeney? What causes it?

Answer 33

Atrophy of suprasinate and infraspinate muscles due to injury of the suprascapular nerve