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Nervous System (Sending Signals - Axon and Synapse) Practice
By Kate Turner
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Last updated 11 months ago
28 questions
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Question 1
1.
What is A pointing to?
Question 2
2.
What is B pointing to?
Question 3
3.
What is C pointing to?
Question 4
4.
What is D pointing to?
Question 5
5.
What is E pointing to?
Question 6
6.
What is F pointing to?
Question 7
7.
What is G pointing to?
Question 8
8.
What is H pointing to?
Question 9
9.
The signal sent down the axon is an _____________ signal because it involves electrical charge changes.
Question 10
10.
What is the charge inside of a neuron when it is at rest?
Negative
Positive
Neutral
Question 11
11.
What is the charge outside of a neuron when it is at rest?
Negative
Positive
Neutral
Question 12
12.
What charge does the inside of the neuron change to when a signal is received from the previous neuron?
Negative
Positive
Neutral
Question 13
13.
What charge does the outside of the neuron change to when a signal is received from the previous neuron?
Negative
Positive
Neutral
Question 14
14.
What is the name of the signal being sent down the axon?
Question 15
15.
What is surrounding and insulates parts of the axon that increase the speed of a signal being sent down an axon?
Question 16
16.
The myelin surrounding the axon is made up of ... (select all that apply)
Lipids
Proteins
Question 17
17.
What are the names of the cells that produce the myelin?
Question 18
18.
What is the name of the exposed parts of the axon that are not covered in myelin?
Question 19
19.
The cell before a synapse is known as the ____________________ cell.
Question 20
20.
The cell after a synapse is known as the ____________________ cell.
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Question 21
21.
What is A pointing to?
Question 22
22.
What is B pointing to?
Question 23
23.
What is C pointing to?
Question 24
24.
What is D pointing to?
Question 25
25.
What type of membrane transport occurs to release neurotransmitters into the synaptic cleft?
Osmosis
Endocytosis
Exocytosis
Regular diffusion
Facilitated diffusion
Question 26
26.
Once the neurotransmitters are in the synaptic cleft, what do they bind to in order to signal a new action potential in the post-synaptic cell?
Receptors
Water
Vesicles
Reuptake proteins
Question 27
27.
When the new action potential is triggered in the post synaptic cell what does the charge inside of the postsynaptic cell change to?
Negative
Positive
Neutral
Question 28
28.
Which of the following can occur to stop the signal from continuing to be sent down the postsynaptic cell?
Neurotransmitters can be brought back into the presynaptic cell through reuptake proteins
Neurotransmitters can replicate
Neurotransmitters can be broken down by enzymes
Neurotransmitters can diffuse out of the synaptic cleft
Neurotransmitters can turn into new receptors
