Erection

question 131

Multiple Choice

Erection

• A) involves dilation of the arterioles supplying the sponge-like vascular spaces of the penis
• B) results from cGMP production induced by nitric oxide
• C) occurs when the seminiferous tubules of the penis become engorged with sperm
• D) occurs in response to sympathetic nervous stimulation of the penis
• E) involves dilation of the arterioles supplying the sponge-like vascular spaces of the penis, and results from cGMP production induced by nitric oxide

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Definitions:

Theory

A system of ideas intended to explain something, based on general principles independent of the thing to be explained, used as a basis for further study or investigation.

Meso Compound

A type of stereochemical configuration in compounds with multiple chiral centers that has an internal plane of symmetry, making it achiral despite having stereocenters.

Molecule

The smallest particle of a chemical substance that can exist independently while retaining the composition and chemical properties of the substance.

Optically Active

A characteristic of a compound that has the ability to rotate the plane of polarized light, indicating chirality.