Diphtheria Is Caused by a Member of Which of the Following

question 54

Multiple Choice

Diphtheria is caused by a member of which of the following genera?

• A)Mycobacterium
• B)Corynebacterium
• C)Propionibacterium
• D)Nocardia

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Definitions:

Acids

Substances that donate protons (H+) in a chemical reaction and have a pH less than 7 in an aqueous solution.

pH

A measure of the acidity or alkalinity of a solution, on a scale in which 7 is neutral, lower values are more acidic, and higher values are more alkaline.

Aqueous Solution

A solution where water is the solvent in which solutes are dissolved.

HCl

Hydrochloric acid, a strong and corrosive acid used in many industrial and laboratory processes.