The Fact That Action Potentials Occur Only at the Nodes

question 206

Multiple Choice

The fact that action potentials occur only at the nodes of Ranvier is the basis for:

• A)Increased energy consumption in myelinated neurons
• B)Saltatory conduction
• C)Slower conduction speed in myelinated neurons
• D)Faster conduction speeds in unmyelinated neurons

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Definitions:

Lorazepam

A medication used to treat anxiety disorders, oftentimes acting as a sedative and muscle relaxant, part of a class of substances known as benzodiazepines.

Synergistic Effect

A phenomenon where two or more substances or actions combined produce an effect greater than the sum of their individual effects.

Comatose

A state of deep unconsciousness that a person cannot be awakened from, typically resulting from illness or injury.

CNS Stimulant

A class of drugs that increase brain activity, often used to treat ADHD and certain sleep disorders.