WorksheetsIntroduction to the Nervous System
Total questions: 20
Worksheet time: 24mins
Name
Class
Date
1.
The nerve cell that carries impulses from a sense receptor to the brain or spinal cord is a _____________.
a)
Motor Neuron
b)
Sensory Neuron
c)
Relay Neuron
2.
The nerve cell that transmits impulses from the brain or spinal cord to a muscle or gland.
a)
Motor Neuron
b)
Relay Neuron
c)
Sensory Neuron
3.
What part of the neuron carries the impulse toward the nerve cell body?
a)
Dorsal Root
b)
Dendrites
c)
Myelin Sheath
d)
Axon
4.
What part of the neuron is myelinated?
a)
Cell Body
b)
Axon
c)
Synapse
d)
Dendrite
5.
What is included in the anatomy of the CNS?
a)
Brain & Spinal Cord
b)
Brain & Eyes
c)
Spinal Cord & Peripheral Nerves
d)
Brain & Peripheral Nerves
6.
Peripheral Nerves are part of the...
a)
CNS
b)
PNS
7.
White matter is ________ and Grey matter is ________
a)
myelinated; phosphorylated
b)
unmyelinated; myelinated
c)
myelinated; unmyelinated
d)
phosphorylated; myelinated
8.
afferent neurons are to sensory neurons as efferent neurons are to _____ neurons.
a)
motor
b)
sensory
c)
integration
d)
association
9.
Label the Neuron-What does the letter "A" represent?
a)
Axon
b)
Dendrite
c)
Axon Terminal
d)
Cell Body
10.
Label the Neuron-What does the letter "C" represent?
a)
Cell Body
b)
Dendrite
c)
Axon Terminal
d)
Myelin Sheath
11.
Label the Neuron-What does the letter "D" represent?
a)
Dendrite
b)
Axon
c)
Myelin Sheath
d)
Node of Ranvier
12.
These are chemicals that are used for communication
a)
Neurotransmitters
b)
Dendrites
c)
Synaptic Vesicles
d)
Axon Terminals
13.
The ____ nervous system controls unconscious activities.
a)
somatic
b)
sympathetic
c)
parasympathetic
d)
autonomic
14.
What do neuroglia do?
a)
Release neurotransmitters
b)
Support and nourish neurons
c)
Release calcium to activate neurons
d)
Absorb nutrients from neurons
15.
Astrocytes are responsible for:
a)
producing cerebrospinal fluid
b)
creating the blood brain barrier
c)
producing myelin sheath
d)
destroying cancer cells
16.
a signal molecule that transmits nerve impulses across synapses
a)
neuron
b)
neurotransmitter
c)
nerve
d)
action potential
17.
a junction at which a neuron meets another cell
a)
axon
b)
dendrites
c)
myelin sheath
d)
synapse
18.
What number(s) on the graph represents the Resting Potential?
a)
1 and 2
b)
1 and 5
c)
2 and 3
d)
3 and 4
19.
Label the Neuron-What does the letter "G"
represent?
represent?
a)
Axon Terminal
b)
Node of Ranvier
c)
Nucleus
d)
Myelin Sheath
20.
When a neuron is depolarized, what are the first channels to open?
a)
Sodium
b)
Potassium
c)
Calcium
d)
ACTH
100 %
