Both Excitatory and Inhibitory Neurons Form Junctions with Muscles

question 53

Multiple Choice

Both excitatory and inhibitory neurons form junctions with muscles.By what mechanism do inhibitory neurotransmitters prevent the postsynaptic cell from firing an action potential?

• A)by closing Na⁺ channels
• B)by preventing the secretion of excitatory neurotransmitters
• C)by opening K⁺ channels
• D)by opening Cl⁻ channels

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Definitions:

Alternative Hypothesis

A statement in hypothesis testing that proposes a difference or association, contrasting with the null hypothesis which suggests no effect.

Physicians

Medical professionals who are qualified to diagnose and treat diseases, prescribe medications, and perform medical procedures.

P-value

The probability of observing results at least as extreme as those measured when the null hypothesis is true.

Hypotheses

Statements or predictions that can be tested through scientific research, designed to explain phenomena or the relationship between variables.