Which of the Following Statements Concerning Severe Allergic Reactions Is

question 20

Multiple Choice

Which of the following statements concerning severe allergic reactions is true?

• A) The quicker the onset of symptoms, the greater the likelihood of a severe allergic reaction.
• B) A severe allergic reaction can be prevented by the use of an epinephrine auto-injector before exposure to the substance.
• C) Allergies do not develop until a person is in his late teens to early 20s.
• D) A severe allergic reaction occurs only when the patient has never been exposed to the substance before.

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Definitions:

Probability

The measure of the likelihood that an event will occur, often expressed as a number between 0 and 1.

NORM.DIST

A function in software packages, such as Excel, used to calculate the normal distribution of a set of data.

Point Estimate

A single value estimate that serves as the best guess or most likely value for a population parameter based on sample data.

Population Parameter

A numerical value that characterizes a certain aspect of a population, such as its mean or standard deviation.