Sympathetic Nerve Fibers Trigger the Secretion of Nitric Oxide,which Dilates

question 40

True/False

Sympathetic nerve fibers trigger the secretion of nitric oxide,which dilates the deep arteries allowing blood to engorge the penis.

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Definitions:

Pelli-Robson Chart

A tool used in vision testing to assess contrast sensitivity using letters of varying contrast levels.

Audiometer

An electronic device that measures hearing acuity by producing sounds in specific frequencies and intensities.

Frequency

The number of complete fluctuations of energy per second in the form of waves.

Tinnitus

A condition characterized by the perception of noise or ringing in the ears when no external sound is present.