A child is brought to the emergency department experiencing an anaphylactic reaction to a bee sting. While an airway is being established, what medication should the nurse prepare for immediate administration?
Diphenhydramine.
Epinephrine.
Dopamine.
Calcium chloride.
The Correct Answer is B
The correct answer is choice B. Epinephrine.
Choice A rationale:
Diphenhydramine. Diphenhydramine is an antihistamine commonly used to relieve allergic symptoms such as itching, rash, and runny nose. While it can be part of the treatment for anaphylactic reactions, it is not the medication of choice for immediate administration in the case of a severe anaphylactic reaction like the one described in the scenario.
Choice B rationale:
Epinephrine. Correct Answer. In cases of severe anaphylactic reactions, epinephrine (adrenaline) is the medication of choice for immediate administration. Epinephrine acts rapidly to reverse life-threatening symptoms, such as airway constriction, low blood pressure, and hives. It works by dilating airways, increasing heart rate, and improving blood pressure.
Choice C rationale:
Dopamine. Dopamine is a medication used to increase blood pressure and cardiac output in certain critical situations. However, it is not the first-line treatment for anaphylactic reactions. Epinephrine's effects on airway and cardiovascular function make it the preferred choice in this context.
Choice D rationale:
Calcium chloride. Calcium chloride is not the appropriate medication for treating anaphylactic reactions. Its main medical uses include treating hypocalcemia (low blood calcium levels) and certain cardiac arrhythmias. It does not address the primary symptoms and physiological changes associated with anaphylaxis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
The correct answer is choice A: Avoiding use for more than 3 days.
Choice A rationale:
Recommending avoiding the use of decongestant nose drops for more than 3 days is crucial due to the risk of rebound congestion. Decongestant nose drops work by constricting blood vessels in the nasal passages to alleviate congestion. Prolonged use can lead to a phenomenon known as rebound congestion, where the nasal passages become more congested once the medication wears off, causing the person to use the drops more frequently. This can result in a cycle of worsening congestion and overuse of the medication, which can be counterproductive and harmful. Limiting the use of decongestant nose drops to 3 days helps prevent this rebound effect and encourages the use of alternative treatments if congestion persists.
Choice B rationale:
Administering drops until nasal congestion subsides is not the recommended approach. Prolonged use of decongestant nose drops can lead to rebound congestion, as mentioned earlier. Using the drops until congestion subsides might extend their use beyond the safe period and increase the risk of adverse effects.
Choice C rationale:
Keeping drops to use again for nasal congestion is not advised. While it's important to follow the medication's storage instructions, relying on decongestant nose drops for recurring nasal congestion can lead to overuse and rebound congestion. This choice does not address the potential risks associated with prolonged use.
Choice D rationale:
Administering drops after feedings and at bedtime is not a standard recommendation for decongestant nose drops. The timing of administration is not a primary concern in the context of decongestant use. Instead, the focus should be on the duration of use and the potential for rebound congestion.
Correct Answer is D
Explanation
The correct answer is choice D: Low in phosphorus.
Choice A rationale:
Supplemented with vitamins A, E, and K is not the characteristic of the diet for a child with chronic renal failure. While vitamin supplementation might be necessary in some cases, the primary dietary considerations in chronic renal failure are related to managing electrolyte imbalances, fluid retention, and waste buildup due to compromised kidney function.
Choice B rationale:
High in protein is not the recommended characteristic of the diet for a child with chronic renal failure. Kidneys affected by chronic renal failure have a reduced ability to filter and excrete waste products from protein metabolism. Excessive protein intake can lead to the accumulation of nitrogenous waste products, potentially worsening the condition and contributing to uremia.
Choice C rationale:
Low in vitamin D is not the primary characteristic of the diet for a child with chronic renal failure. Vitamin D metabolism can be affected by kidney dysfunction, but the focus of the diet in chronic renal failure is primarily on managing electrolyte levels, particularly phosphorus and potassium, as well as controlling fluid intake.
Choice D rationale:
Low in phosphorus is the correct characteristic of the diet for a child with chronic renal failure. Impaired kidney function in chronic renal failure leads to difficulty in excreting phosphorus, which can result in elevated blood phosphorus levels. High phosphorus levels can contribute to bone and mineral disorders and cardiovascular complications. Therefore, a diet low in phosphorus is crucial to prevent these complications and manage the progression of the disease.
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