Viagra Is a Drug Used to Treat Erectile Dysfunction by Dilating

question 3

Multiple Choice

Viagra is a drug used to treat erectile dysfunction by dilating arteries in the penis. The neurotransmitter that Viagra affects is

• A)acetylcholine.
• B)nitric oxide.
• C)serotonin.
• D)histamine.

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Definitions:

Principal

The main party to a transaction or contract, often distinguished from an agent who acts on behalf of a principal.

Liability

An obligation, either legal or financial, that an individual or entity is required to fulfill towards another party.

Exclusive Easement

A property right that grants the holder the exclusive use of a portion of another's real property for a specified purpose.

Trespass

An unlawful act of entering or remaining on someone's property without permission, sometimes extending to interference with a person’s rights.