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WorksheetsNervous System Characteristics
Total questions: 36
Worksheet time: 2hrs 46mins
Name
Class
Date
1.
A bundle of nerve cells.
a)
neurons
b)
nerve
c)
axon
d)
axon terminal
2.
Consists of the brain and spinal cord.
a)
Autonomic Nervous System
b)
Somatic Nervous System
c)
Peripheral Nervous System
d)
Central Nervous system
3.
The skeletal muscles are controlled by this part of the peripheral brainervous system.
a)
Somatic Nervous system
b)
Autonomic Nervous system
c)
brain
d)
spinal cord
4.
The part of the neuron that receives nerve impulses.
a)
axon
b)
dendrite
c)
cell body
d)
axon terminus
5.
The junction between two communicating neurons.
a)
synapse
b)
neuromuscular junction
c)
dendrite
d)
axon
6.
Chemical messengers that move across the synapse.
a)
vesicles
b)
sodium
c)
potassium
d)
neurotransmitters
7.
At resting potential this ion is in high concentration on the outside of the neuron membrane making the outside of the neuron positively charged.
a)
negatively charged amino acids
b)
potassium
c)
sodium
d)
calcium
8.
Part of the Peripheral Nervous System responsible for control of the bodily functions not consciously directed, such as breathing, the heartbeat, and digestion.
a)
Somatic Nervous System
b)
Autonomic Nervous System
c)
Spinal Cord
d)
Brain
9.
What is the insulating membrane that surrounds parts of the axon that helps to protect, insulate, & propagate action potential?
a)
Axon
b)
Dendrites
c)
Node of Ranvier
d)
Myelin Sheath
10.
Label the Neuron-What does the letter "A" represent?
a)
Axon
b)
Dendrite
c)
Axon Terminal
d)
Cell Body
11.
Label the Neuron-What does the letter "B" represent?
a)
Myelin Sheath
b)
Schwann Cell
c)
Cell Body
d)
Nucleus
12.
Label the Neuron-What does the letter "C" represent?
a)
Soma
b)
Dendrite
c)
Axon Terminal
d)
Myelin Sheath
13.
Label the Neuron-What does the letter "G"
represent?
represent?
a)
Axon Terminal
b)
Node of Ranvier
c)
Nucleus
d)
Myelin Sheath
14.
Label the Neuron-What does the letter "H" represent?
a)
Schwann Cell
b)
Axon
c)
Axon Terminal
d)
Dendrite
15.
nerve impulse
a)
action potential
b)
resting potential
c)
membrane potential
d)
synapse
16.
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
17.
Which nervous system contains sensory and motor neurons that carry information between the central nervous system and the rest of the body?
a)
Autonomic Nervous System
b)
Somatic Nervous System
c)
Peripheral Nervous System
d)
Central Nervous System
18.
What does the Myelin Sheath protect?
a)
Axon
b)
Dendrite
c)
Cell body
d)
axon terminal
19.
This is the electrical charge that travels down an axon when a neuron is firing
a)
Resting Potential
b)
Action Potential
c)
Threshold
d)
Refractory Period
20.
During repolarization, what occurs in the axon's neuron?
a)
action potential stops, outside membrane positive, inside negative
b)
action potential stops outside membrane negative inside positive
c)
action potential begins
d)
nothing
21.
During depolarization, the charges outside the neuron are _____________ and the charges inside are _________________.
a)
positive, negative
b)
negative, positive
c)
equal
d)
positive, positive
22.
Which part of the neuron is the pre-synaptic neuron in the diagram?
a)
axon terminals
b)
dendrite
c)
Schwann cell
d)
axon
23.
Which part of the neuron is the post-synaptic neuron in the diagram?
a)
axon terminals
b)
dendrite
c)
Schwann cell
d)
axon
24.
Nerves outside of the brain and spinal cord
a)
Central Nervous System (CNS)
b)
Peripheral Nervous System (PNS)
25.
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
26.
Somatic motor neurons sends impulses to
a)
the stomach
b)
the heart
c)
the skeletal muscles
d)
the glands
27.
The myelin sheath is formed by:
a)
axon
b)
nodes of Ranvier.
c)
Schwann cells.
d)
soma
28.
When a neuron has an action potential occurring during depolarization the outside of the neuron, the inside has a(n) ____ charge. and inside has a __________
a)
positive, negative
b)
negative , positive
c)
equal
d)
None of the above are correct.
29.
Neurotransmitters are released in a synapse and bind to:
a)
presynaptic terminals.
b)
the synaptic cleft.
c)
the base of the axon.
d)
receptors on the postsynaptic neuron.
30.
The nucleus and most of the organelles in a neuron are located in the ______.
a)
dendrites
b)
axon
c)
soma
d)
Schwann cells
31.
Neural transmission across a synaptic cleft is accomplished by:
a)
the movement of sodium & potassium from the presynaptic neuron to the postsynaptic neuron.
b)
impulses traveling as electrical currents across the gap.
c)
impulses causing the release of a neurotransmitter signal and its diffusion across the gap.
d)
impulses ricocheting back and forth across the gap.
32.
When a cell is at rest (Resting Potential), the inside is more _____ and the outside is more ______.
a)
negative; positive
b)
positive; negative
33.
The sodium-potassium pump creates
a)
magnetic energy
b)
electrical energy
c)
light energy
d)
sound energy
34.
When a neuron is resting, the inside of the axon has a ____________ charge.
a)
positive
b)
negative
35.
A single nerve cell is called
a)
neuron
b)
nerve
c)
nervous system
d)
axon
36.
When a neuron is not receiving action potentials, it is
a)
Resting Potential
b)
Depolarization
c)
Repolarization
d)
Dead
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