Which Statement Concerning Receptors Is Correct

question 286

Multiple Choice

Which statement concerning receptors is correct?

• A) They may be either a specialized ending of an afferent neuron or a special cell closely associated with the peripheral ending of an afferent neuron.
• B) They are present for every modality in the environment.
• C) When stimulated, they bring about opening of K⁺ channels in the efferent neuron membrane
• D) Mechanical receptors are sensitive to varying amounts of heat

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Definitions:

Ecto-

A prefix meaning "outside" or "external," used in biological and medical terminology.

Out

Positioned or situated beyond the limits or confines of a specified place or area.

Outer

Referring to the external part or surface of something.

Pericardial

Related to the pericardium, the membrane enclosing the heart.