Part Iii Refers to The

question 68

Multiple Choice

Part iii refers to the:

• A) nasopharynx.
• B) laryngopharynx.
• C) oropharynx.
• D) nasal cavity.

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Definitions:

Sodium Propanoate

A sodium salt of propanoic acid, used as a food preservative with the formula CH3CH2COONa.

Hydrobromic Acid

A strong acid consisting of hydrogen bromide in water, used in the synthesis of bromine compounds.

Benzoic Acid

An aromatic carboxylic acid with the formula C6H5COOH, used in the production of numerous industrial chemicals and as a food preservative.

Deprotonation

The removal of a proton (H+) from a molecule, resulting in the formation of its conjugate base.