Practice Neural Signaling - 2.2 | Theme C: Interaction and Interdependence | IB Grade-12 Biology
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is resting potential?

πŸ’‘ Hint: Think about the charge difference inside and outside the neuron.

Question 2

Easy

Name one neurotransmitter.

πŸ’‘ Hint: Remember 'DASH' for important neurotransmitters.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the resting potential of a typical neuron?

  • +30 mV
  • -70 mV
  • 0 mV

πŸ’‘ Hint: Remember the voltage when the neuron is at rest.

Question 2

True or False: Action potentials are always the same amplitude regardless of the strength of the stimulus.

  • True
  • False

πŸ’‘ Hint: Consider how a light switch functions.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

If a sodium channel is blocked, what effects would it have on the action potential and the overall functioning of the neuron?

πŸ’‘ Hint: Consider how ion movement influences action potentials.

Question 2

Illustrate and explain the sequence of events that occur from resting potential to the transmission across the synapse.

πŸ’‘ Hint: Focus on each phase and the changes in membrane potential.

Challenge and get performance evaluation