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WorksheetsNeurons Structure and Function
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
The skeletal muscles are controlled by this part of the nervous system.
a)
Somatic Nervous system
b)
Autonomic Nervous system
c)
astrocytes
d)
glial cells
2.
The smooth muscles and glands are controlled by this part of the nervous system.
a)
Somatic Nervous system
b)
Autonomic Nervous system
c)
astrocytes
d)
glial cells
3.
A mass of nerve cells.
a)
oligodendrocytes
b)
ependymal cells
c)
neurons
d)
Schwann cells
4.
Consists of the brain and spinal cord.
a)
Autonomic Nervous System
b)
Somatic Nervous System
c)
Peripheral Nervous System
d)
Central Nervous system
5.
Nerves throughout the body other than the brain and spinal cord.
a)
Autonomic Nervous System
b)
Somatic Nervous system
c)
Peripheral Nervous System
d)
Central Nervous System
6.
Cells that are found between neurons and blood vessels.
a)
oligodendrocyte
b)
microglial cell
c)
astrocyte
d)
ependymal cell
7.
The part of the neuron that receives nerve impulses.
a)
axon
b)
dendrite
c)
cell body
d)
axon terminus
8.
Neurons that have a single process extending from the cell body.
a)
unipolar
b)
bipolar
c)
dipolar
d)
multipolar
9.
White matter has this insulating covering that increases the rate at which an impulse can be carried.
a)
Schwann Cell
b)
axon membrane
c)
Neurilemma
d)
Myelin Sheath
10.
Neurons that have two processes extending from the cell body
a)
unpolar
b)
bipolar
c)
polar
d)
multipolar
11.
The junction between two communicating neurons.
a)
synapse
b)
neuromuscular junction
c)
dendrite
d)
axon
12.
Chemical messengers that move across the synapse.
a)
vesicles
b)
sodium
c)
potassium
d)
neurotransmitters
13.
Groups of neurons that make hundreds of synaptic connections with each other and work together to perform a common function.
a)
ganglia
b)
neuronal pool
c)
autonomic system
d)
somatic system
14.
Support neurons and phagocytize bacterial cells and other debris.
a)
microglia
b)
astrocytes
c)
ependymal cells
d)
oligodendrocytes
15.
Align along axons and provide insulating layers of myelin in the brain and spinal cord.
a)
microglia
b)
astrocytes
c)
ependymal cells
d)
oligodendrocytes
16.
Form an epithelial-like membrane that covers specialized brain parts and form the inner linings that enclose spaces in the brain and spinal cord.
a)
microglial cells
b)
astrocytes
c)
ependymal cells
d)
oligodendrocytes
17.
When a threshold in a neuron is reached this is achieved.
a)
threshold potential
b)
action potential
c)
resting potential
d)
homeostasis
18.
Gaps in the myelin sheath.
a)
nodes of Ranvier
b)
axon endings
c)
synapse
d)
neurotransmitters
19.
Neurotransmitter that stimulates muscles to contract.
a)
endorphins
b)
serotonin
c)
acetycholine
d)
dopamine
20.
conduct impulses from peripheral body parts to the brain or spinal cord.
a)
motor neurons
b)
sensory neurons
c)
interneurons
d)
microglia
21.
Conduct impulses from one part of the brain or spinal cord to another part of the brain or spinal cord.
a)
motor neurons
b)
sensory neurons
c)
interneurons
d)
microglia
22.
are multipolar and conduct impulses out of the brain or spinal cord to effectors.
a)
motor neurons
b)
sensory neurons
c)
interneurons
d)
microglia
23.
These cells have the same function as oligodendrocytes but are found in the peripheral nervous system (PNS).
a)
microglia
b)
astrocytes
c)
ependymal cells
d)
Schwann cells
24.
When a membrane is depolarized sufficiently that an action potential results. Approximately -55 millivolts
a)
action potential
b)
threshold potential
c)
resting potential
d)
transmitting potential
25.
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
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