Which of the Following Is a Direct Result of Depolarizing

question 18

Multiple Choice

Which of the following is a direct result of depolarizing the presynaptic membrane of an axon terminal?

• A) Voltage-gated calcium channels in the membrane open.
• B) Synaptic vesicles fuse with the membrane.
• C) The postsynaptic cell produces an action potential.
• D) Ligand-gated channels open, allowing neurotransmitters to enter the synaptic cleft.
• E) An excitatory postsynaptic potential (EPSP) or inhibitory postsynaptic potential (IPSP) is generated in the postsynaptic cell.

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Definitions:

Proportions

Ratios indicating the fractional part of a whole that have specific characteristics.

Critical Value

A point on the scale of the test statistic beyond which we reject the null hypothesis, significant in hypothesis testing.

Level of Significance

The probability of rejecting the null hypothesis in a statistical test when it is actually true; a measure of the risk of making a Type I error.

Proportions

A statistical measure that reflects the size of a part compared to the whole, typically expressed as a fraction or a percentage.