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:

GnRH

Gonadotropin-releasing hormone, a neuropeptide that stimulates the production of gonadotropins, essential for reproductive functions.

Uterine Cycle

The monthly cycle of changes in the uterus, including menstruation, preparatory changes for potential pregnancy, and shedding of the uterine lining if pregnancy does not occur.

Reverse Transcriptase

An enzyme used by certain viruses, including retroviruses, to synthesize DNA from RNA.

Viral DNA

The deoxyribonucleic acid component of a viral genome which carries genetic instructions for the replication and assembly of the virus within host cells.