Which of the Following Is the Correct Definition of an Isomer

question 37

Multiple Choice

Which of the following is the correct definition of an isomer?

• A)Isomers are molecules that have the same empirical formula but different arrangements of atoms in space.
• B)Isomers are molecules that have the same molecular formula but different arrangements of atoms in space.
• C)Isomers are molecules that have the same arrangements of atoms in space but different empirical and molecular formulas.
• D)Isomers are molecules that have the same molecular formula but contain different isotopes.
• E)Isomers are molecules with the same empirical formula but have different isotopes.

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Definitions:

Vasoconstriction

The narrowing of blood vessels, which increases blood pressure by decreasing the diameter through which blood can flow.

Vasomotor Sympathetic

Pertaining to the control of blood vessel diameter by the sympathetic nervous system, affecting blood flow and pressure.

Baroreceptors

Sensory nerve endings located in the walls of blood vessels and the heart that detect changes in blood pressure and help regulate it.

Vasoconstriction

The narrowing of blood vessels, which increases blood pressure by reducing the volume of blood flow.