Which of the Following Concerning Olfaction Is False

question 55

Multiple Choice

Which of the following concerning olfaction is false?

• A) Olfactory receptors are highly modified neurons.
• B) Molecules to be smelled must first dissolve in the mucus covering the olfactory receptors.
• C) Humans may have as many as 20 million olfactory receptors.
• D) Human power of olfaction is as powerful as that of most other mammals.
• E) Olfactory stimuli do not pass through the thalamus before journeying to the olfactory cortex.

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Definitions:

Responses

Reactions or answers provided following a specific stimulus or question.

Motor Nerves

Nerves that transmit impulses from the brain or spinal cord to muscles or glands, initiating movement or action.

Peripheral Nervous System

The part of the nervous system that consists of the nerves and ganglia outside of the brain and spinal cord.

Glands

Organs in the body that secrete hormones or other substances directly into the blood or onto a body surface.