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Intro to Nervous System REVIEW

Total questions: 20

Worksheet time: 15mins

Name
Class
Date
1.
The autonomic nervous system is divided up into what two divisions?
a)
central and peripheral
b)
Peripheral and motor
c)
autonomic and somatic
d)
sympathetic and parasympathetic
2.
When we consider the function of the nervous system, what is the correct order or functions?
a)
Sensory input --> intergration --> response
b)
response --> intergration --> sensory input
c)
Sensory input --> response --> integration
d)
Response --> sensory input --> integration
3.
Identify letter A on the neuron.
a)
dendrite
b)
axon
c)
Cell body
d)
axon terminal
4.
Identify letter B on the neuron.
a)
dendrite
b)
axon
c)
Cell body
d)
axon terminal
5.
Which of the following are neuroglial cells CANNOT found in the CNS?
a)
Oligodendrocytes
b)
astrocytes
c)
ependymal cells
d)
satellite cells
6.
Identify what a nerve impulse is.
a)
The drive to get work done
b)
the electrical signal that travels along a neuron
c)
the resting potential of a neuron
d)
the threshold of a response
7.
When a neuron is negatively charged at rest, this is called
a)
action potential
b)
resting potential
c)
refractory period
d)
repolarization
8.
In the 2nd step of an action potential, what ion enters into the axon through the voltage gates?
a)
K+
b)
Na+
c)
Ca2+
d)
H+
9.
When K+ is released from the axon, the NA+ ions are in a ___________ state.
a)
Repolarizing
b)
resting
c)
active
d)
possessive
10.
When the synaptic vesicle releases the neurotransmitters, what do the neurotransmitters bind to?
a)
presynaptic terminal
b)
postsynaptic neuron
c)
action potential
d)
myelin sheath
11.
The part of the neuron that receives signals is the:
a)
Axon
b)
Dendrite
c)
Axon Terminal
d)
Cell Body
12.
The part of the neuron that conducts action potentials (sends them to the next neuron) is the:
a)
Axon
b)
Dendrite
c)
Appetite
d)
Cell Body
13.
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
14.
Heartbeat, digestion, and other involuntary actions are accomplished by which branch of the nervous system?
a)
Sensory
b)
Autonomic
c)
Lucky  
d)
Pineal
15.
The electrical messages sent through the nervous system are called ____________. 
a)
Impulses
b)
Neurons
c)
Dendrites
d)
Transmissions
16.

Which of the following is a type of neuroglia? Pick all that apply.

a)

A) neuron

b)

B) oligodendrocyte

c)

C) microglial cell

d)

D) astrocyte

e)

E) ependymal cell

17.

Myelin is formed by which cells in the CNS?

a)

microglial cells

b)

oligodendrocytes

c)

ependymal cells

d)

Schwann cells

e)

astrocytes

18.

During an action potential, repolarization occurs as a result of:

a)

sodium ions diffusing to the outside of the cell membrane.

b)

sodium ions diffusing to the inside of the cell membrane.

c)

potassium ions diffusing to the outside of the cell membrane.

d)

potassium ions diffusing to the inside of the cell membrane.

19.
Question Image

Match the letter with the correct term.

a)

unipolar neuron

1.

A

b)

multipolar neuron

2.

C

c)

bipolar neuron

3.

B

20.

These gaps are part of the myelin sheath that allows impulses to be transmitted quickly.

a)

neurolemma

b)

synaptic knobs

c)

gap junctions

d)

nodes of Ranvier

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