Practice Nerve Impulse Transmission (11.4.2) - Animal Physiology - IB 12 Biology
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Nerve Impulse Transmission

Practice - Nerve Impulse Transmission

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is resting potential?

💡 Hint: Think about the charge difference inside versus outside the neuron.

Question 2 Easy

What happens during depolarization?

💡 Hint: Recall the role of sodium ions.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the main ion that causes depolarization during an action potential?

Potassium (K⁺)
Calcium (Ca²⁺)
Sodium (Na⁺)

💡 Hint: Remember which ion enters the cell during depolarization.

Question 2

True or False: The refractory period allows for immediate subsequent action potentials.

True
False

💡 Hint: Think about the need for recovery before the next signal.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Imagine a scenario where a toxin blocks sodium channels. Predict the effects on nerve impulse transmission.

💡 Hint: Consider the essential role of sodium ions in action potentials.

Challenge 2 Hard

Evaluate the impact of increasing synaptic neurotransmitter levels on the postsynaptic neuron's activity.

💡 Hint: Relate to examples of neurotransmitter involvement in conditions like anxiety.

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Reference links

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