Inhaling Through the Nostrils Is Preferred Over the Mouth Because

question 41

Multiple Choice

Inhaling through the nostrils is preferred over the mouth because

• A) there is less resistance to air flow.
• B) it combines olfaction with respiration.
• C) it allows better conditioning of the inhaled air.
• D) bacteria won't be inhaled from the oral cavity.
• E) it dries out the mouth.

---

Definitions:

Specific Rotation

A measure of the degree to which a compound can rotate plane-polarized light, specific to its concentration and the length of the light path through the sample.

(S)-glyceraldehyde

The S-configuration enantiomer of glyceraldehyde, which serves as a standard for determining the absolute configuration of chiral molecules.

(R)-glyceraldehyde

A carbohydrate that is the R-enantiomer of glyceraldehyde, serving as a simple monosaccharide and a basic building block for more complex sugars.

(-)-glyceraldehyde

A specific stereoisomer of glyceraldehyde, a simple sugar molecule that serves as an intermediate in several metabolic pathways.