A Patient Comes in with a Complaint of Pruritus and Facial

question 19

Multiple Choice

A patient comes in with a complaint of pruritus and facial swelling.He states that he has been using all of his usual medications and has also been using using an ester local anesthetic on a regular basis for the past 2 to 3 weeks for insect bites.What is the most likely cause of his symptoms?

• A) Hypersensitivity reaction to para-amino benzoic acid
• B) Severe drug-induced vasoconstriction
• C) Hypersensitivity reaction to epinephrine
• D) None of the above

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Definitions:

Heterotrophic

Describes organisms that obtain their energy by consuming other organisms, as they cannot synthesize their own food.

Multicellular

Describes organisms made up of more than one cell, often with cells specialized for different functions.

Cell Wall

The structure outside the plasma membrane of certain cells; may contain cellulose (plant cells), chitin (most fungal cells), peptidoglycan and/or lipopolysaccharide (most bacterial cells), or other material.

Prokaryotes

Microorganisms that lack a distinct nucleus and other organelles due to the absence of internal membranes, including bacteria and archaea.