A Sensory Receptor Characterized Peripherally as a Free Nerve Ending

question 3

Multiple Choice

A sensory receptor characterized peripherally as a free nerve ending and centrally uses glutamate and/or substance P as neurotransmitters, would most likely be a

• A) chemoreceptor.
• B) nociceptor.
• C) mechanoreceptor.
• D) thermoreceptor.
• E) free receptor.

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Definitions:

Medulla

A portion of the brainstem involved in autonomic functions such as breathing, heart rate, and blood pressure.

Respiratory Failure

A medical condition where the respiratory system fails in one or both of its gas exchange functions: oxygenation and carbon dioxide elimination.

Stroke

A medical condition that occurs when the blood supply to part of the brain is interrupted or reduced, preventing brain tissue from getting oxygen and nutrients.

Hypothalamus

A region of the brain that plays a crucial role in many essential functions, including hormone release and regulation of body temperature.