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WorksheetsUnit 3 Nervous System Review
Total questions: 34
Worksheet time: 17mins
Name
Class
Date
1.
Area of the neuron that contains synaptic vesicles is called the
a)
axon
b)
myelin sheath
c)
axon terminal
d)
dendrite
2.
Which of the following is NOT a characteristic of a graded potential?
a)
Forms on the dendrites
b)
Varies in strength
c)
Travels away from the cell body
d)
Magnitude decreases with distance traveled
3.
The peripheral nervous system is composed of the
a)
cranial nerves, brain, spinal cord, and spinal nerves
b)
brain and spinal cord
c)
spinal nerves and cranial nerves
d)
interneurons
4.
The somatic nervous system innervates _______ while the autonomic nervous system innervates ________.
a)
smooth muscle...skeletal muscle
b)
skeletal muscle...voluntary functions
c)
smooth muscle and cardiac muscle...skeletal muscle
d)
skeletal muscle...glands, cardiac muscle, and smooth muscle
5.
The highly branched region of the neuron that the neurotransmitter binds to is called the
a)
dendrite
b)
axon
c)
axon hillock
d)
axon terminal
6.
The cerebral hemispheres are separated from the cerebellum by the
a)
longitudinal fissure
b)
central fissure
c)
transverse fissure
d)
occipital fissure
7.
The type of neuron that is responsible for sending information to the CNS is a
a)
sensory neuron
b)
motor neuron
c)
interneuron
d)
association neuron
8.
The autonomic nervous system is divided into what two divisions?
a)
somatic and sympathetic
b)
sensory and motor
c)
somatic and sensory
d)
sympathetic and parasympathetic
9.
The velocity of a nerve impulse is affected by
a)
axon diameter
b)
myelin sheath
c)
length of the dendrites
d)
both axon diameter and myelin sheath
10.
The period of time when a neuron would only be stimulated by an exceptionally strong stimulus is called the
a)
relative refractory period
b)
absolute refractory period
c)
both absolute and relative refractory periods
d)
a stimulus will always cause an action potential
11.
Which of the following characteristics is NOT true of depolarization?
a)
the internal membrane potential becomes more positive
b)
the potassium channels are open and sodium channels are closed
c)
the sodium channels are open and the potassium channels are closed
d)
the inside of the neuron contains more sodium ions
12.
The diencephalon contains the
a)
midbrain, pons, and medulla
b)
cerebral cortex, internal white matter, and basal nuclei
c)
thalamus, hypothalamus, and epithalamus
d)
thalamus, pons, and medulla
13.
An action potential
a)
exhibits an "all or none" phenomenon
b)
starts because of an influx of Na+ into the cell
c)
is dependent on voltage gated channels
d)
all of the answers are correct
14.
Repolarization is characterized by
a)
sodium diffusing into the cell
b)
potassium diffusing into the cell
c)
potassium diffusing out of the cell
d)
the inside of the cell becoming more positive
15.
You retain the voluntary use of your skeletal muscles but you can't tie your shoes. This is damage to the
a)
premotor cortex
b)
prefrontal cortex
c)
primary motor cortex
d)
primary somatosensory cortex
16.
The loss of voluntary muscular contraction occurs because of damage to the
a)
premotor cortex
b)
prefrontal cortex
c)
primary motor cortex
d)
primary somatosensory cortex
17.
In the cerebral hemispheres, a shallow depression is a ______ while a peak is called a ________.
a)
sulcus...gyrus
b)
gyrus...sulcus
c)
gyrus...fissure
d)
fissure...gyrus
18.
Damage to this area of the brain could cause a lack of judgement and a change in personality.
a)
primary motor cortex
b)
premotor cortex
c)
somatosensory association cortex
d)
prefrontal cortex
19.
Damage to this area results in functional blindness.
a)
visual association area
b)
primary visual cortex
c)
frontal eye field
d)
Broca's area
20.
Damage to this area would result in lack of coordination, loss of balance and posture.
a)
cerebrum
b)
cerebellum
c)
midbrain
d)
pons
21.
Damage to this area of the brain would result in the inability to direct muscles to produce speech.
a)
Wernicke's area
b)
lateral prefrontal cortex
c)
primary motor cortex
d)
Broca's area
22.
Which of the following is not a function of the hypothalamus?
a)
regulates autonomic functions
b)
maintains body temperature
c)
regulates water balance and feelings of hunger
d)
secretes melatonin to regulate sleep/wake cycles
23.
Which is NOT a characteristic of long term memory?
a)
contains a limitless capacity
b)
amount of information stored is 7-8 pieces of information
c)
lasts hours to weeks
d)
can be converted from short term due to rehearsal or connecting to previous memories
24.
Which of the following is true of skill memory?
a)
entails learning specific details
b)
stored as part of the context in which it was learned
c)
is best learned while doing a motor activity
d)
also known as declarative memory
25.
While asleep the ______ would be controlling the heart and respiration rates and blood pressure.
a)
diencephalon
b)
cerebrum
c)
pons
d)
medulla
26.
The central nervous system is composed of the
a)
cranial nerves, brain, spinal cord, and spinal nerves
b)
brain and spinal cord
c)
spinal nerves and peripheral nerves
d)
interneurons
27.
The cerebral hemispheres are separated from each other by the
a)
longitudinal fissure
b)
central fissure
c)
transverse fissure
d)
occipital fissure
28.
These substances are used to communicate an action potential between two neurons.
a)
neurotransmitter
b)
ions
c)
graded potential
d)
nerve impulse
29.
The loss of myelin sheath results in the loss of
a)
saltatory conduction
b)
graded potentials
c)
neurotransmitters
d)
memory
30.
Which of the following is NOT true of dendrites?
a)
receive signals from sending neurons
b)
location of graded potentials
c)
highly branched
d)
send impulses away from cell body
31.
Which of the following is the correct description of the resting membrane potential?
a)
more potassium inside the cell and more sodium outside the cell
b)
more sodium inside the cell and more potassium outside the cell
c)
positive inside and negative outside
d)
both sodium and potassium channels open
32.
The destruction of the myelin sheath results in
a)
Parkinson's Disease
b)
Alzheimer's Disease
c)
Multiple Sclerosis
d)
Cerebrovascular Accident
33.
Shuffling gait, tremors, and expressionless face are signs of
a)
Parkinson's Disease
b)
Alzheimer's Disease
c)
Multiple Sclerosis
d)
Cerebrovascular Accident
34.
A transection of the spinal cord in the cervical region would lead to
a)
hemiplegia
b)
quadriplegia
c)
paraplegia
d)
spinal shock
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