What are the two main types of cells found in the nervous system?

CHAPTER 1 & 2_PBP

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Science
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University
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Medium
Heilyn Pablo
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Neurons and Blood Cells
Neurons and Glial Cells
Muscle Cells and Neurons
Glial Cells and Epithelial Cells
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which part of the neuron is responsible for receiving information from other neurons?
Axon
Soma
Dendrites
Myelin Sheath
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the function of the myelin sheath?
To store neurotransmitters
To protect the brain
To speed up the transmission of nerve impulses
To generate electrical signals
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What does the sodium-potassium pump do during resting potential?
Moves 2 sodium ions in and 3 potassium ions out
Moves 3 sodium ions in and 2 potassium ions out
Moves 3 sodium ions out and 2 potassium ions in
Moves 3 potassium ions out and 2 sodium ions in
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the typical resting membrane potential of a neuron?
+70 mV
0 mV
-55 mV
-70 mV
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What triggers an action potential to occur?
When the neuron runs out of energy
When the membrane potential reaches threshold (around -55 mV)
When neurotransmitters leave the axon
When potassium enters the neuron
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which ion primarily enters the neuron during the depolarization phase of an action potential?
Potassium (K⁺)
Sodium (Na⁺)
Calcium (Ca²⁺)
Chloride (Cl⁻)
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