Action Potential
Authored by Jennifer Carroll
11th - 12th Grade
Used 2K+ times
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About
This quiz focuses on the neurobiological mechanisms of action potentials within individual neurons, specifically targeting the electrical and chemical processes that govern neural transmission. Designed for advanced high school students in grades 11-12, the assessment evaluates understanding of membrane dynamics, ion movement, and the sequential phases of neural excitation. Students must demonstrate mastery of complex concepts including resting potential maintenance through the sodium-potassium ATPase pump, the role of specific ion channels during depolarization and repolarization, threshold potential significance, and the directional flow of electrical impulses along axons. The questions require students to integrate knowledge of active and passive transport mechanisms, understand the relationship between membrane permeability and voltage changes, and interpret graphical representations of action potential phases including hyperpolarization. Success on this assessment demands both factual knowledge of cellular neurobiology and the ability to analyze cause-and-effect relationships in membrane electrophysiology. Created by Jennifer Carroll, a science teacher in Canada who teaches grades 11-12. This comprehensive assessment serves multiple instructional purposes within an advanced biology or neuroscience curriculum, functioning effectively as a formative assessment tool to gauge student comprehension before summative evaluations, or as targeted practice following direct instruction on neural physiology. Teachers can deploy this quiz as a warm-up activity to activate prior knowledge before exploring synaptic transmission, assign it as homework to reinforce classroom learning, or utilize it during review sessions to identify misconceptions requiring remediation. The assessment aligns with NGSS standards HS-LS1-2 (developing and using models to illustrate cellular processes) and supports learning objectives related to structure-function relationships in biological systems, making it particularly valuable for AP Biology courses or advanced anatomy and physiology classes where students must demonstrate sophisticated understanding of cellular mechanisms.
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11 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
An electrical impulse within a single neuron is called a
synapse
membrane potential
action potential
cell body
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which ion is pumped into the axon of a neuron to help maintain the resting potential?
calcium
hydrogen
potassium
sodium
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which one of the following is involved in maintaining a resting membrane potential?
Na+/K+ ATPase pump moves 3Na+ in for every 2K+ out
Na+/K+ ATPase pump moves 3K+ in for every 2Na+ out
Na+/K+ ATPase pump moves 3Na+ out for every 2K+ in
Na+/K+ ATPase pump moves 3K+ out for every 2Na+ in
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is a characteristic of axons in motor neurons?
When there is a resting potential, the outside of the axon is negative relative to the inside.
During an action potential, Na+ ions diffuse out of the axon.
K+ ions diffusing out of the axon repolarizes it.
Impulses in the axon travel towards the cell body.
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Depolarization occurs when
sodium channels open
potassium channels open
sodium channels close
potassium channels close
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Depolarization is occuring at number
1
2
4
5
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following uses ACTIVE transport?
sodium-potassium pump
sodium channel
potassium channel
diffusion
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