Which Statement Is MOST Accurate Concerning the Effects on Pain

question 111

Multiple Choice

Which statement is MOST accurate concerning the effects on pain of endorphins on the one hand, and substance P on the other?

• A)Endorphins and substance P have the same effects on pain.
• B)Endorphins and substance P have opposing effects on pain.
• C)Endorphins enable the effects of substance P on pain.
• D)Endorphins magnify the effects of substance P on pain.

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Definitions:

Independent Events

Two or more events whose outcomes do not affect each other, meaning the occurrence of one event does not change the probability of the other.

Probability

A measure of the likelihood that an event will occur, expressed as a number between 0 and 1, where 1 indicates certainty.

Marginal Probability

The probability of an event occurring, irrespective of the outcomes of other variables.

P(A or B)

The probability that at least one of two events A or B occurs.