What Infectious Agent Produces Cysts That Transmit the Condition Via

question 10

Multiple Choice

What infectious agent produces cysts that transmit the condition via contaminated food and water and have the ability to survive for long periods in cold water?

• A) Escherichia coli
• B) Vibrio cholera
• C) Salmonella typhi
• D) Giardia lamblia

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Definitions:

Acidic

Having the properties of an acid, which include a sour taste, the ability to turn litmus paper red, and the capability to donate a hydrogen ion (H+) in reactions.

pKa

A quantitative measure that indicates the strength of an acid in solution, specifically the acid's dissociation constant.

pKb

A measure of the basicity of a compound, defined as the negative logarithm of the base dissociation constant (Kb).

Acid/Base Reaction

A chemical reaction that occurs between an acid and a base, often resulting in the formation of a salt and water.