Chapter 8 Nervous System

Question 1

What are the two parts of the peripheral nervous system?

Answer 1

Somatic and Autonomic

Question 2

______ nervous system is part of PNS that controls voluntary functions

Answer 2

Somatic

Question 3

What is the autonomic nervous system?

Answer 3

part of PNS that control involuntary functions

Question 4

Autonomic Nervous System is divided into two systems:

Answer 4

Parasympathetic division, Sympathetic division

Question 5

The ____ division is the “rest and digest”

Answer 5

Parasympathetic division

Question 6

The ____ system is stimulatory stress responses (flight or fight
responses)

Answer 6

Sympathetic division

Question 7

These functions match the functions of which division:
 Constricts eye pupils
 Stimulate salivation
 Slows heart rate
 Constricts breathing
 Dilates blood vessels
 Stimulates digestion
 Constricts bladder sphincter muscles
 Stimulates sex organs

Answer 7

Parasympathetic

Question 8

These functions match the functions of which division:
 dilates eye pupils
 Inhibits salivation
 Accelerates heart rate
 Facilitates breathing
 Stimulates secretion of epinephrine and 
norepinephrine
 Stimulates release of free glucose
 Inhibits digestion
 Relaxes bladder sphincter muscles
 Inhibits sex organs

Answer 8

Sympathetic

Question 9

The spinal cord can process the information such as touching a hot stove and send a response back to the motor nerves like moving your hand away, this is all ____ action

Answer 9

Reflex

Question 10

_______ is the pathway consisting of a sensory receptor, a sensory neuron, interneurons, a motor neuron and an effector (muscle)

Answer 10

Reflex arc

Question 11

The CNS is protected by:

Answer 11

1. Bone (skull and vertebral column)
2. Meninges
3. Cerebrospinal fluid
4. Blood-Brain barrier

Question 12

What is Meningitis?

Answer 12

Inflammation of the meninges

Question 13

What causes meningitis?

Answer 13

It is caused by many forms of bacteria, viruses and fungi

Question 14

What can meningitis lead to?

Answer 14

It can lead to encephalitis, an inflammation

of the brain.

Question 15

Function of Cerebrospinal Fluid:

Answer 15

1. Shock absorption
2. Support the weight of the brain
3. Nourishment and waste removal

Question 16

What does the Blood-brain barrier permit?

Answer 16

Permits certain substances to enter the

brain, while inhibiting others from entering

Question 17

______ It inhibits many drugs that are polar from reaching brain tissue, allows lipid soluble molecules to pass.

Answer 17

Blood brain barrier

Question 18

Spinal cord extends from the ______ down ____– transmits messages between the brain and the rest of the body

Answer 18

base of the brain down the back

Question 19

There is cerebrospinal fluid in a ______

Answer 19

central canal

Question 20

If you look at a cross section of the spinal cord you will see ______ and ______

Answer 20

“white matter” , “grey matter”

Question 21

White matter is ______

Answer 21

myelinated axons

Question 22

Grey matter is mainly _______ and _______

Answer 22

cell bodies and non-myelinated axons

Question 23

The Cerebrum consists of ___, _____, and _____

Answer 23

 Cerebral cortex
 Hippocampus
 Amygdala

Question 24

The Brain Stem consists of:

Answer 24

midbrain, pons, medulla oblongata

Question 25

The cerebral cortex of the cerebrum is the _________

Answer 25

thinking, conscious part of the brain

Question 26

Cerebrum functions?

Answer 26

Functions as the sensory area for touch, vision, hearing, and olfaction as well as association areas for interpreting sensations, language, thinking, decision making, self-awareness, creativity, and storing memories.

Question 27

_____ is The thin outer layer of the cerebrum is where most of the higher thinking and processing takes place

Answer 27

Cerebral cortex

Question 28

Cerebral cortex contains _________

Answer 28

 Contains sensory areas  Contains motor areas  Responsible for decision making  Folding increases surface area by about 3x

Question 29

______ is important in long term memory

Answer 29

Hippocampus

Question 30

______ is important in remembering fear and responding to it.

Answer 30

Amygdala

Question 31

______ Processes sensory information | (except smell) and relays it to other areas of brain

Answer 31

Thalamus

Question 32

_______ maintains balance and coordination, refines motor skills, new motor skills (i.e. playing piano)

Answer 32

Cerebellum

Question 33

_________ controls many vital involuntary functions including breathing, heartbeat and blood pressure

Answer 33

Medulla oblongata

Question 34

Function of the pons:

Answer 34

 Assists the medulla oblongata to control involuntary breathing  Relays messages from the spinal cord

Question 35

Functions of Midbrain:

Answer 35

 Important in voluntary muscle control  Relays information from the spinal cord  Controls eye movement

Question 36

_______ is Important in voluntary muscle control

Answer 36

Midbrain

Question 37

_______ Assists the medulla oblongata to control | involuntary breathing

Answer 37

pons

Question 38

Which part of your nervous system would constrict your airways?

Answer 38

Parasympathetic

Question 39

Which part of the brain assists the medulla oblongata to control involuntary breathing and relays messages from the spinal cord?

Answer 39

Pons

Question 40

Which part of your nervous system would release free glucose?

Answer 40

Sympathetic

Question 41

Somatic nervous system controls ____ functions

Answer 41

Voluntary

Question 42

Autonomic nervous system controls _____ functions

Answer 42

Involuntary

Question 43

Which part of the nervous system facilitates breathing? A. Parasympathetic B. Sympathetic

Answer 43

Sympathetic