The nurse is caring for a client who is experiencing anaphylaxis. The family asks the nurse why the ...

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Rationale 1: Reflex tachycardia occurs as the body responds to the allergen, but is not responsible for the difficulty breathing.
Rationale 2: Compensation for a rapid fall in blood pressure occurs as the body responds to the allergen, but is not responsible for the difficulty breathing.
Rationale 3: The body's response to histamine occurs as the body responds to the allergen, but is not responsible for the onset of seizures.
Rationale 4: The client will experience difficulty breathing due to bronchoconstriction. All of the other symptoms occur as the body responds to the allergen, but are not responsible for the difficulty breathing.

Global Rationale: The client will experience difficulty breathing due to bronchoconstriction. The release of massive amounts of histamine and other inflammatory mediators causing the patient to experience itching, hives, and tightness in the throat or chest.

TYVM