Neurons Structure and Function
DRAFT
9th - 12th grade
505 times
Biology
68%
average accuracy
3 years ago
angiejones101
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Neurons Structure and Function
DRAFT
3 years ago
by
angiejones101
Played 505 times
3
9th - 12th grade
Biology
68% average accuracy
3
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25 Questions
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Question 1
SURVEY
30 seconds
Q. The skeletal muscles are controlled by this part of the nervous system.
answer choices
Somatic Nervous system
Autonomic Nervous system
astrocytes
glial cells
Question 2
SURVEY
30 seconds
Q.
The smooth muscles and glands are controlled by this part of the nervous system.
answer choices
Somatic Nervous system
Autonomic Nervous system
astrocytes
glial cells
Question 3
SURVEY
30 seconds
Q. A mass of nerve cells.
answer choices
oligodendrocytes
ependymal cells
neurons
Schwann cells
Question 4
SURVEY
30 seconds
Q. Consists of the brain and spinal cord.
answer choices
Autonomic Nervous System
Somatic Nervous System
Peripheral Nervous System
Central Nervous system
Question 5
SURVEY
30 seconds
Q.
Nerves throughout the body other than the brain and spinal cord.
answer choices
Autonomic Nervous System
Somatic Nervous system
Peripheral Nervous System
Central Nervous System
Question 6
SURVEY
30 seconds
Q.
Cells that are found between neurons and blood vessels.
answer choices
oligodendrocyte
microglial cell
astrocyte
ependymal cell
Question 7
SURVEY
30 seconds
Q.
The part of the neuron that receives nerve impulses.
answer choices
axon
dendrite
cell body
axon terminus
Question 8
SURVEY
30 seconds
Q.
Neurons that have a single process extending from the cell body.
answer choices
unipolar
bipolar
dipolar
multipolar
Question 9
SURVEY
30 seconds
Q.
White matter has this insulating covering that increases the rate at which an impulse can be carried.
answer choices
Schwann Cell
axon membrane
Neurilemma
Myelin Sheath
Question 10
SURVEY
30 seconds
Q.
Neurons that have two processes extending from the cell body
answer choices
unpolar
bipolar
polar
multipolar
Question 11
SURVEY
30 seconds
Q.
The junction between two communicating neurons.
answer choices
synapse
neuromuscular junction
dendrite
axon
Question 12
SURVEY
30 seconds
Q.
Chemical messengers that move across the synapse.
answer choices
vesicles
sodium
potassium
neurotransmitters
Question 13
SURVEY
30 seconds
Q. Groups of neurons that make hundreds of synaptic connections with each other and work together to perform a common function.
answer choices
ganglia
neuronal pool
autonomic system
somatic system
Question 14
SURVEY
30 seconds
Q.
Support neurons and phagocytize bacterial cells and other debris.
answer choices
microglia
astrocytes
ependymal cells
oligodendrocytes
Question 15
SURVEY
30 seconds
Q. Align along axons and provide insulating layers of myelin in the brain and spinal cord.
answer choices
microglia
astrocytes
ependymal cells
oligodendrocytes
Question 16
SURVEY
30 seconds
Q. Form an epithelial-like membrane that covers specialized brain parts and form the inner linings that enclose spaces in the brain and spinal cord.
answer choices
microglial cells
astrocytes
ependymal cells
oligodendrocytes
Question 17
SURVEY
30 seconds
Q.
When a threshold in a neuron is reached this is achieved.
answer choices
threshold potential
action potential
resting potential
homeostasis
Question 18
SURVEY
30 seconds
Q.
Gaps in the myelin sheath.
answer choices
nodes of Ranvier
axon endings
synapse
neurotransmitters
Question 19
SURVEY
30 seconds
Q. Neurotransmitter that stimulates muscles to contract.
answer choices
endorphins
serotonin
acetycholine
dopamine
Question 20
SURVEY
30 seconds
Q. conduct impulses from peripheral body parts to the brain or spinal cord.
answer choices
motor neurons
sensory neurons
interneurons
microglia
Question 21
SURVEY
30 seconds
Q. Conduct impulses from one part of the brain or spinal cord to another part of the brain or spinal cord.
answer choices
motor neurons
sensory neurons
interneurons
microglia
Question 22
SURVEY
30 seconds
Q.
are multipolar and conduct impulses out of the brain or spinal cord to effectors.
answer choices
motor neurons
sensory neurons
interneurons
microglia
Question 23
SURVEY
30 seconds
Q.
These cells have the same function as oligodendrocytes but are found in the peripheral nervous system (PNS).
answer choices
microglia
astrocytes
ependymal cells
Schwann cells
Question 24
SURVEY
30 seconds
Q.
When a membrane is depolarized sufficiently that an action potential results. Approximately -55 millivolts
answer choices
action potential
threshold potential
resting potential
transmitting potential
Question 25
SURVEY
30 seconds
Q.
At resting potential this ion is in high concentration on the outside of the neuron membrane making the outside of the neuron positively charged.
answer choices
negatively charged amino acids
potassium
sodium
calcium
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