If a Pebble Is Tossed into a Pond, It Generates

question 15

Multiple Choice

If a pebble is tossed into a pond, it generates small ripples that decrease in size as the ripples move away from the point where the pebble struck the water. The decreasing size of the ripples as they move away from the initial splash is most like the way that signals spread ________.

• A) in a graded potential
• B) in an action potential
• C) during hyperpolarization
• D) during depolarization

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Definitions:

Cell Death

The process by which a cell ceases to function and is eliminated, which can be a natural part of development or result from disease.

Brain Efficiency

The ability of the brain to perform tasks quickly and accurately using the least amount of mental effort.

Disjunct

A term used in logic to refer to an element of a disjunction, where at least one of the disjuncts must be true for the disjunction to be true.

Disjunction

An operation in logic that returns true when at least one input is true.