The Presence of Within Varicosities Initiates the Release of Neurotransmitter

question 19

Multiple Choice

The presence of within varicosities initiates the release of neurotransmitter.

• A) voltage -gated K⁺ channels
• B) mechanically -gated Na⁺ channels
• C) voltage -gated Na⁺ channels
• D) voltage -gated Ca²⁺ channels
• E) mechanically -gated Ca²⁺ channels

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