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WorksheetsAnatomy and Physiology Unit 4: Nervous System
Total questions: 48
Worksheet time: 38mins
Name
Class
Date
1.
What structure is shown in color here?
a)
cerebrum
b)
cerebellum
c)
pons
d)
medulla oblongata
2.
What brain lobe is considered the seat of your personality?
a)
frontal
b)
temporal
c)
parietal
d)
occipital
3.
What brain lobe allows you to take in visual information?
a)
occipital
b)
temporal
c)
parietal
d)
frontal
4.
What lobe is yellow in this image? (superior, lateral lobe)
a)
frontal
b)
temporal
c)
parietal
d)
occipital
5.
What lobe is pink in this image? (posterior, inferior lobe)
a)
frontal
b)
temporal
c)
parietal
d)
occipital
6.
What lobe is green in this image? (posterior, lateral lobe)
a)
frontal
b)
temporal
c)
parietal
d)
occipital
7.
What do the ventricles of the brain do?
a)
circulate CSF
b)
produce afferent signals
c)
receive efferent signals
d)
interpret reflex arcs
8.
What does the medulla oblongata do?
a)
controls vital body functions like heartbeat
b)
processes sensory information like touch
c)
causes motor responses like movement
d)
maintains posture and balance
9.
What structure(s) provides protection and immune defense to the nervous system?
a)
vertebrae
b)
meninges
c)
nerves
d)
axons
10.
What information does the olfactory complex receive?
a)
sight
b)
smell
c)
taste
d)
touch
11.
What cortex structure receives taste information?
a)
olfactory complex
b)
auditory cortex
c)
Wernicke's area
d)
gustatory cortex
12.
Label the Neuron-What does the letter "A" represent?
a)
Axon
b)
Dendrite
c)
Axon Terminal
d)
Cell Body
13.
Label the Neuron-What does the letter "D" represent?
a)
Dendrite
b)
Axon
c)
Myelin Sheath
d)
Node of Ranvier
14.
Label the Neuron-What does the letter "E" represent?
a)
Schwann Cell
b)
Node of Ranvier
c)
Axon Terminal
d)
Myelin Sheath
15.
Location at which a neuron can transfer an impulse to another cell with the use of neurotransmitters is called __________.
a)
myelin sheath
b)
axon
c)
threshold
d)
synapse
16.
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
17.
nerve impulse
a)
action potential
b)
resting potential
c)
membrane potential
d)
synapse
18.
What is the chemical used by a neuron to transmit an impulse across a synapse to another nerve cell?
a)
Neurotransmitters
b)
Synapse
c)
Threshold
d)
Impulse
19.
What is the insulating membrane that surrounds parts of the axon that helps the impulses travel faster called?
a)
Axon
b)
Dendrites
c)
Node of Ranvier
d)
Myelin Sheath
20.
What number on the graph represents the Threshold phase
a)
1
b)
3
c)
4
d)
6
21.
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
22.
What number on the graph represents the Repolarization phase?
a)
1
b)
2
c)
3
d)
4
23.
What number on the graph represents the Hyperpolarization phase?
a)
1
b)
2
c)
3
d)
4
24.
What number on the graph represents the Depolarization phase?
a)
1
b)
2
c)
3
d)
4
25.
What number of millivolts (mV) must an nerve impulse strength be at to break the Threshold and cause an Action Potential?
a)
+30 mV
b)
-55 mV
c)
-70 mV
d)
-75 mV
26.
What is the number of millivolts (mV) that a neuron is at during the Resting Potential phase
a)
+30 mV
b)
-55 mV
c)
-70 mV
d)
-75 mV
27.
The location of neurotransmitters
a)
axon terminals
b)
dendrites
c)
Schwann cells
d)
cell body
28.
During the resting state of a neuron there is more __________ inside and more ___________ outside
a)
potassium/sodium
b)
sodium/potassium
c)
potassium/calcium
d)
calcium/sodium
29.
During which stage of an action potential does sodium rush into the cell?
a)
depolarization
b)
hyperpolarization
c)
resting potential
d)
repolarization
30.
During which stage of an action potential does extra potassium leave the cell, preventing additional action potentials?
a)
depolarization
b)
hyperpolarization
c)
resting potential
d)
repolarization
31.
During repolarization, what ion does what?
a)
potassium enter
b)
potassium leaves
c)
sodium enters
d)
potassium leaves
32.
During depolarization, what ion does what?
a)
potassium enter
b)
potassium leaves
c)
sodium enters
d)
potassium leaves
33.
If GABA is an inhibitory neurotransmitter, what will happen to the membrane potential?
a)
It becomes resistant to any stimuli
b)
Nothing happens, there is no change
c)
It lowers it making it harder to reach threshold
d)
It raises it making it easier to reach threshold
34.
What is occurring at this part of the action potential?
a)
extra potassium leaves the cell
b)
potassium leaves the cell
c)
sodium enters the cell
d)
sodium is outside/potassium is inside
35.
What is occurring at this part of the action potential?
a)
extra potassium leaves the cell
b)
potassium leaves the cell
c)
sodium enters the cell
d)
sodium is outside/potassium is inside
36.
What is occurring at this part of the action potential?
a)
extra potassium leaves the cell
b)
potassium leaves the cell
c)
sodium enters the cell
d)
sodium is outside/potassium is inside
37.
Which is the correct sequence in the transmission of a neural impulse?
a)
axon, dendrite, cell body, synapse
b)
dendrite, axon, cell body, synapse
c)
synapse, axon, dendrite, cell body
d)
dendrite, cell body, axon, synapse
38.
The brain's supporting cells are called:
a)
glial cells
b)
mitochondria
c)
neurons
d)
nuclei
39.
Neurons that travel toward the central nervous system are called
a)
afferent neurons
b)
efferent neurons
c)
exit neurons
d)
CNS neurons
40.
_____ neurons carry messages to the central nervous system
a)
Motor
b)
Inter
c)
Sensory
d)
Fun
41.
The time following an action potential in which no new action potential can be generated is called
a)
the refractory period
b)
the nerve impulse
c)
the stationary phase
d)
the threshold period
42.
The "all-or-nothing" law states that
a)
a certain stimulus intensity is needed to generate an action potential
b)
the action potential is of a fixed size regardless of the stimulus intensity
c)
the axon needs time to repolarise after an action potential is formed
d)
that the impulse only travels in one direction
43.
The peripheral nervous system is composed of all of the following EXCEPT
a)
Brain and Spinal cord
b)
Spinal and Cranial Nerves
c)
Afferent and Efferent pathways
d)
Somatic and Autonomic nervous systems
44.
Describes the fact that a neuron fires at the same intensity despite the intensity of the stimulus.
a)
Threshold
b)
Repolarization
c)
All or None Principle
d)
Action Potential
45.
Support neurons and phagocytize bacterial cells and other debris.
a)
microglia
b)
astrocytes
c)
ependymal cells
d)
oligodendrocytes
46.
Align along axons and provide insulating layers of myelin in the brain and spinal cord.
a)
microglia
b)
astrocytes
c)
ependymal cells
d)
oligodendrocytes
47.
The cell that connects blood capillary to neuron.
a)
astrocytes
b)
oligodendrocytes
c)
microglial cells
d)
ependymal cells
48.
What type of responses does the parasympathetic nervous system control?
a)
rest & digest
b)
flight or flight
c)
fight & digest
d)
stress & digest
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