WorksheetsNervous System
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
What do neuroglia do?
a)
Release neurotransmitters
b)
Support and nourish neurons
c)
Release calcium to activate neurons
d)
Absorb nutrients from neurons
2.
Which of the following is NOT part of the central nervous system?
a)
The brain
b)
The spinal cord
c)
The brain stem
d)
Spinal nerves
3.
What is being shown in this graph?
a)
A threshold potential
b)
An action potential
c)
A resting membrane potential
d)
A synapse
4.
Which of the following is NOT happening at timepoint 2 on this graph?
a)
Voltage-gated sodium channels are opening, allowing a sodium influx
b)
Voltage-gated potassium channels are opening, allowing a potassium outflux
c)
The membrane potential is becoming more positive
d)
The neuron is being excited
5.
What depicted at timepoint 5?
a)
The refractory period
b)
The resting membrane potential
c)
The threshold potential
d)
The relaxation period
6.
Why is the neuron's voltage decreasing at timepoint 4?
a)
Sodium is flowing out of the neuron
b)
Sodium is flowing into the neuron
c)
Potassium is flowing into the neuron
d)
Potassium is flowing out of the neuron
7.
What is responsible for maintaining the resting membrane potential?
a)
Neurotransmitter receptors
b)
Voltage-gated ion channels
c)
The sodium-potassium pump
d)
Ligand-gated ion channels
8.
The action potential moves down the axon, away from the cell body. What happens when it reaches the axon terminal?
a)
Neurotransmitter is released
b)
It turns around and heads back toward the cell body
c)
Nothing happens
d)
It causes receptors on the axon terminal to open up
9.
A synapse is:
a)
The meeting of the dendrite of one neuron with the axon terminal of another
b)
The meeting of two axon terminals from different neurons
c)
The meeting of two dendrites from different neurons
d)
The meeting of two axon terminals from the same neuron
10.
Why is GABA an inhibitory neurotransmitter?
a)
When it binds to its receptor, the receptor allows Cl- into the neuron
b)
It is negatively charged
c)
When it binds to its receptor, the receptor allows K+ out of the neuron
d)
When it binds to its receptor, the receptor allows Na+ out of the neuron
11.
Which is an excitatory neurotransmitter?
a)
GABA
b)
Glutamate
c)
Potassium
d)
Sodium
12.
Which part of the eye contains neurons that are light-sensitive?
a)
The choroid
b)
The lens
c)
The cornea
d)
The retina
13.
Which photoreceptors do we use to see in low light?
a)
Cones
b)
Scones
c)
Rods
d)
Fovea
14.
Which structure controls how much light is let into the eye?
a)
The pupil
b)
The sclera
c)
The iris
d)
The lens
15.
Which structure is labeled D?
a)
The optic stem
b)
The optic tract
c)
The optic chiasm
d)
The optic nerve
16.
Which letter corresponds to the anterior chamber?
a)
E
b)
F
c)
I
d)
K
17.
What structure is labeled I?
a)
The cornea
b)
The sclera
c)
The lens
d)
The retina
18.
What is the tapetum?
a)
A type of photoreceptor that sees blue light
b)
A reflective surface some animals have on the back of their eye
c)
A connective tissue structure that holds the eye in place
d)
A protective covering
19.
What functions does this lobe carry out?
a)
Hearing and auditory processing
b)
Vision and visual processing
c)
Processing fear
d)
Judgment, impulse control, planning
20.
What structure would you find in the medial temporal lobe?
a)
The medulla
b)
The amygdala
c)
The pons
d)
The fovea
21.
What do the basal ganglia (basal nuclei) do?
a)
They relay sensory information to the sensory cortex
b)
They relay motor commands from motor cortex to our muscles
c)
They relay motor information to the sensory cortex
d)
They coordinate balance and posture
22.
What does the autonomic nervous system control?
a)
Voluntary movement
b)
Cardiac muscles only
c)
Involuntary responses
d)
The spinal cord
23.
What disorder is characterized by frequent seizures?
a)
Stroke
b)
Cerebral palsy
c)
Locked-in syndrome
d)
Epilepsy
24.
Why do the symptoms of a stroke vary from person to person?
a)
The stroke can cause either too much excitation or too much inhibition
b)
The symptoms depend on whether the stroke was ischemic or hemorrhagic
c)
The symptoms depend on which brain area was affected by the loss of blood supply
d)
The symptoms depend on how much neuroplasticity a person is capable of
25.
Which structure is made of white matter?
a)
The frontal lobe
b)
The amygdala
c)
The corpus callosum
d)
The retina
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