The Action Potential on the Axon at a Neuromuscular Junction

question 17

Multiple Choice

The action potential on the axon at a neuromuscular junction

• A) Opens ryanodine-sensitive channels on the SR m embrane
• B) Increases cytoplasmic [Ca²⁺] in the terminal by opening voltage-gated Ca²⁺ cha nn els
• C) Opens the DHPR on the T-tubule
• D) Is conveyed electrotonically to the muscle mem brane
• E) Both A and C are correct

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Definitions:

Ending Inventory

The total value of goods available for sale at the end of an accounting period.