Nervous System and Synapses Quiz

Quiz
•
Biology
•
12th Grade
•
Medium
sourjya mukherjee
Used 2+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of dendrites in a neuron?
Conduct electrical impulses away from the cell body
Allow the electrical signal to jump between nodes of Ranvier
Create the myelin sheath around axons
Receive incoming signals and electrical impulses
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which part of the nervous system regulates involuntary bodily functions such as heart rate and digestion?
Spinal nerves
Cranial nerves
Central Nervous System
Autonomic Nervous system
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of Schwann cells in the peripheral nervous system?
Allow the electrical signal to jump between nodes of Ranvier
Create the myelin sheath around axons
Conduct electrical impulses away from the cell body
Receive incoming signals and electrical impulses
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the resting membrane potential of a neurone?
-40 mV
+40 mV
-70 mV
0 mV
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of the sodium-potassium pumps in the cell surface membranes of neurons?
Receive incoming signals and electrical impulses
Conduct electrical impulses away from the cell body
Allow sodium and potassium ions to move across the membrane by facilitated diffusion
Create a concentration gradient for both sodium ions and potassium ions
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of the neurone membrane being less permeable to sodium ions than potassium ions?
No difference in the distribution of positive ions inside and outside the neurone
More positive ions on the inside of the neurone than on the outside
Equal distribution of positive ions inside and outside the neurone
More positive ions on the outside of the neurone than on the inside
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the potential difference at the point of depolarization during an action potential?
0 mV
-70 mV
-40 mV
+40 mV
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