A nurse educator explaining drug allergies to students includes which statements in the teaching?

Question

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Rationale 1: Drug allergies can occur with very small amounts of drug.
Rationale 2: The symptoms of drug allergies are unrelated to the pharmacologic actions of the drug and are attributed to the response of the body's defenses.
Rationale 3: Drug allergies require a previous exposure to the drug or a similar drug.
Rationale 4: The symptoms of a drug allergy are produced by a hyper-response of the body's defenses.
Rationale 5: The severity of the allergic response is unrelated to the dose of the drug.

A Nurse Educator Explaining Drug Allergies to Students Includes Which