What Is One Way in Which Bitter Receptors Differ from Sour

question 91

Multiple Choice

What is one way in which bitter receptors differ from sour or salty receptors, and what is one consequence for our experience?

• A) Bitter receptors are located only at the very back of the tongue; therefore we do not taste a bitter chemical until we are already about to swallow it.
• B) The tongue has many kinds of bitter receptors; consequently most of us do not detect very low concentrations of a bitter chemical.
• C) Bitter receptors develop gradually as we age; therefore adults reject many foods that infants and children find acceptable.
• D) Bitter receptors are heat-sensitive; consequently almost any food tastes bitter if it is hot enough.

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Definitions:

Sympathetic Stimulation

The activation of the sympathetic nervous system, leading to effects like increased heart rate and blood pressure.

Cortisol Secretion

The release of cortisol, a critical glucocorticoid hormone produced by the adrenal glands, involved in stress response, metabolism, and inflammatory processes.

Skeletal Muscle Cell

A type of elongated muscle cell that is involved in controlling the movements of the body voluntarily.

Epinephrine

A hormone and neurotransmitter, also known as adrenaline, that increases heart rate, constricts blood vessels, and dilates air passages in response to stress.