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Chapter 11 Intro of NS Exam Review

Total questions: 40

Worksheet time: 26mins

Name
Class
Date
1.
Label the Neuron-What does the letter "A" represent?
a)
Axon
b)
Dendrite
c)
Axon Terminal
d)
Cell Body
2.

Label the Neuron-What does the letter "D" represent?

a)

Dendrite

b)

Axon

c)

Myelin Sheath

d)

Soma

3.

What is the insulating membrane that surrounds parts of the axon that helps the impulses travel faster called?

a)

Axon

b)

Dendrites

c)

Soma

d)

Myelin Sheath

4.
Location at which a neuron can transfer an impulse to another cell with the use of neurotransmitters is called __________.
a)
myelin sheath
b)
axon
c)
threshold
d)
synapse
5.
The part of the neuron that receives messages from other neurons
a)
axon
b)
dendrite
c)
cell body
d)
Schwann cell
6.

These carry signals from tissues and organs to the brain and spinal cord

a)

Afferent Neurons/Pathway

b)

Motor Neurons

c)

Efferent Neurons/Pathway

d)

Glial Cells

7.
What is the main control center of the body that contains the brain and spinal cord?
a)
Peripheral nervous system
b)
Central nervous system
c)
Autonomic nervous system
d)
Somatic nervous system
8.

Electrical nerve impulses within a neuron are called...

a)

action potential

b)

resting potential

c)

hyperpolarization

d)

polarization

9.

The tiny gap between neurons where nerve impulses are sent from one neuron to another.

a)

synapse

b)

axon terminal

c)

impulse

d)

myelin

10.

What are the spaces between the schwann cells?

a)

Nucleus

b)

Cell Body

c)

Axon

d)

Node of Ranvier

11.

Which nervous system contains sensory and motor neurons that carry information between the central nervous system and the rest of the body?

a)

Peripheral Nervous System

b)

Central Nervous System

12.
What is the chemical used by a neuron to transmit an impulse across a synapse to another nerve cell?
a)
Neurotransmitters
b)
Synapse
c)
Threshold
d)
Impulse
13.

If Jessica accidentally touches the stove while cooking and she immediately pulls her hand back, this is an example of the autonomic nervous system.

a)

True

b)

False

14.

Alexa is presenting a project in front of her class. She starts sweating and her heart rate increases. This is an example of the autonomic nervous system, sympathetic division.

a)

True

b)

False

15.

The function of the autonomic system is to

a)

Calm the body down and conserve and replenish energy.

b)

take messages to and from the body’s internal organs, monitoring such processes as breathing, heart rate, and digestion.

c)

convey information from the skin and muscles to the CNS about conditions such as pain and temperature.

d)

Arouse the body, mobilize its energy during physical exercise and in stressful situations, and activate the adrenal gland to release epinephrine into the bloodstream.

16.
Division of the ANS that is fight or flight
a)
sympathetic
b)
parasympathetic
17.
Division of the ANS that's rest & digest
a)
sympathetic
b)
parasympathetic
18.

Which of the following neuroglia brace neurons and anchor them to nutrient lines and blood capillaries?

a)

microglia

b)

astrocytes

c)

ependymal

d)

oligodendrocytes

19.

Which of the following glial cells use cilia to help circulate the cerebrospinal fluid (CSF)?

a)

microglia

b)

astrocytes

c)

ependymal cells

d)

oligodendrocytes

20.

In the Peripheral Nervous System, the myelin sheath is formed by

a)

oligodendrocytes

b)

satellite cells

c)

astrocytes

d)

schwann cells

e)

microglial

21.

Which glia cells are branched and produce myelin for the Central Nervous System?

a)

microglia

b)

astrocytes

c)

ependymal cells

d)

oligodendrocytes

22.

Which glial cells transform into microphages to engulf dead cells?

a)

microglia

b)

astrocytes

c)

ependymal cells

d)

oligodendrocytes

23.

What number(s) on the graph represents the Resting Potential (polarized)?

a)

1 and 2

b)

1 and 5

c)

2 and 3

d)

3 and 4

24.
When a neuron is depolarized, what are the first channels to open?
a)
Sodium
b)
Potassium
c)
Calcium
d)
ACTH
25.
When a neuron is resting, the inside of the axon has a ____________ charge.
a)
positive
b)
negative
26.
What number on the graph represents the Hyperpolarization phase?
a)
1
b)
2
c)
3
d)
4
27.
What number on the graph represents the Depolarization phase?
a)
1
b)
2
c)
3
d)
4
28.
A membrane potential becoming less negative is called
a)
hyperpolarization
b)
depolarization
c)
repolarization
d)
polarization
29.
-70 mV is the measure of a
a)
Threshold Potential
b)
Action Potential
c)
Resting Potential
d)
End Point Potential
30.
Why is -55 mV a significant number?
a)
This is the largest charge achieved during an action potential
b)
This is the threshold required to complete an action potential
c)
This is the resting charge of a neuron
d)
This is the charge when all the sodium is inside the cell
31.

Dopamine is responsible for feelings of...

a)

sadness

b)

pleasure

c)

fear

d)

despair

32.
What is Acetylcholine mainly responsible for?
a)
mood
b)
alertness
c)
emotion
d)
muscle action
33.
Which of these is the fight or flight neurotransmitter that also called adrenaline? 
a)
epinephrine 
b)
norepinepherine
c)
acetylcholine (ACh)
d)
glutamate
34.

Reflexes keep animals out of __________________.

a)

water

b)

food

c)

danger

d)

money

35.

Reflexes in your body start when receptors in your body detect _________________.

a)

messages

b)

stimuli

c)

reactions

d)

movement

36.

Reflexes involve receptors sending messages to the ______________.

a)

brain

b)

heart

c)

nerves

d)

spinal cord

37.

The spinal cord sends a message to the part of the body that needs to ___________.

a)

react

b)

sleep

c)

stop working

d)

eat

38.

Reflexes work _______________ than instincts.

a)

faster

b)

slower

39.

Reflexes occur ______________ the brain knows what happened.

a)

before

b)

after

40.

A reflex is a voluntary response.

a)

true

b)

false

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