Which of the Following Is Not One of the Four

question 591

Multiple Choice

Which of the following is not one of the four valves in the heart?

• A)coronary
• B)mitral
• C)pulmonary
• D)tricuspid

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Definitions:

Williamson Ether Synthesis

A method for preparing ethers by reacting an alkyl halide with an alkoxide ion, a fundamental reaction in organic chemistry to form ether bonds.

Ether

Organic compounds that are defined by having an oxygen atom bonded to two alkyl or aryl groups.

Carboxylic Acid

Organic acids characterized by the presence of at least one carboxyl group, which consists of a carbon atom double-bonded to an oxygen atom and single-bonded to a hydroxyl group.

Alcohol

A compound containing one or more hydroxyl (OH) groups attached to a carbon atom.