When Air Is Drawn in Through the Nose

question 183

Multiple Choice

When air is drawn in through the nose,

• A)in a normal, relaxed inspiration approximately 80 percent of the air passes the olfactory organs.
• B)sniffing repeatedly increases the intensity of the olfactory stimulation and permits sampling of virtually all of the air taken in at each inspiration.
• C)it is swirled to provide the turbulence that brings airborne compounds to the olfactory organs.
• D)lipid-soluble materials are absorbed into the mucus prior to being able to be smelled, while water-soluble molecules are sampled directly.
• E)None of the answers are correct.

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Definitions:

Urea

A nitrogenous compound produced in the liver and excreted in urine, functioning as the principal nitrogenous waste product of metabolism in mammals.

Loop Of Henle

A section of the nephron in the kidney involved in the reabsorption of water and salts, crucial for the concentration of urine and the regulation of water, electrolyte balance.

Permeable

Allowing liquids or gases to pass through it.

Sodium

A chemical element with symbol Na and atomic number 11, essential for many body functions, including maintaining cellular function and blood pressure.