The Olfactory System Is Unique Among the Exteroceptive Sensory Systems

question 144

Multiple Choice

The olfactory system is unique among the exteroceptive sensory systems in that its signals

• A) are chemical.
• B) are relayed to the neocortex by the thalamus.
• C) reach cortical tissue before reaching the thalamus.
• D) do not reach the neocortex.
• E) are completely contralateral.

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Definitions:

Saline

A solution of salt in water, commonly used in medicine as a simple electrolyte replenisher to treat or prevent dehydration.

Latex Gloves

Protective gloves made from latex, used to prevent contamination and to protect hands from chemicals, biohazards, and other harmful substances.

Mineral Oil

A clear, odorless oil derived from petroleum, used as a lubricant, moisturizer, or laxative in medical and cosmetic products.

Emollient

A substance, often a cream or lotion, used to soften or moisturize the skin.