A nurse is caring for a client who has a peanut allergy. The client ate peanut butter and is now experiencing anaphylaxis. Which of the following physiological responses should the nurse expect to occur?
Blood pressure increases.
Blood vessels become more permeable.
Blood vessels constrict.
White blood cells are destroyed.
The Correct Answer is B
A. Blood pressure does not increase during anaphylaxis; instead, it typically decreases due to vasodilation and fluid leakage.
B. During anaphylaxis, blood vessels become more permeable, leading to the release of fluids into the tissues, which causes swelling and contributes to hypotension.
C. Blood vessels do not constrict during anaphylaxis; rather, they dilate as a part of the allergic response, resulting in decreased blood pressure.
D. While there is an immune response during anaphylaxis, white blood cells are not destroyed; rather, they are activated to respond to the allergen, leading to inflammation and other systemic effects.
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Correct Answer is B
Explanation
A. Hepatitis is a concern for individuals with HIV, but it is not specifically indicated by a low CD4-T-cell count.
B. A CD4-T-cell count of 150/mm³ indicates severe immunosuppression, making the client highly susceptible to opportunistic infections like tuberculosis, which is common in individuals with HIV.
C. While gonorrhea is a risk for sexually active individuals, it is not specifically related to the low CD4-T-cell count.
D. Chlamydia is also a sexually transmitted infection, but similar to gonorrhea, it is not directly linked to the immunocompromised state indicated by the CD4-T-cell count.
Correct Answer is A
Explanation
A. Stridor is a high-pitched sound indicating upper airway obstruction and is a critical sign of anaphylaxis requiring immediate intervention to secure the airway.
B. Hypotension is a serious condition that occurs during anaphylaxis, but the priority is to address the airway obstruction first.
C. Urticaria (hives) is a common symptom of an allergic reaction but is not life-threatening and can be addressed after more severe symptoms.
D. Vomiting may occur during anaphylaxis but is not the most urgent finding when airway compromise is present.