A client is admitted to the emergency department with a magnesium level of 1.2 mg/dL. The nurse is aware that a likely cause of the value is which of the following:

Alcoholism.

Dehydration.

Kidney failure.

Excessive magnesium intake.

Answer and Explanation

The Correct Answer is A

Choice A rationale

Alcoholism is a common cause of hypomagnesemia due to poor dietary intake, increased renal excretion, and gastrointestinal losses. Chronic alcohol consumption leads to malnutrition and loss of magnesium through the urine, contributing to low magnesium levels.

Choice B rationale

Dehydration typically leads to hemoconcentration, which can elevate, rather than decrease, magnesium levels. Thus, it is not usually associated with low magnesium levels.

Choice C rationale

Kidney failure generally causes hypermagnesemia, not hypomagnesemia, because the kidneys cannot efficiently excrete magnesium, leading to its accumulation in the blood.

Choice D rationale

Excessive magnesium intake would result in hypermagnesemia, not hypomagnesemia, as the body accumulates more magnesium than it can excrete.

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Correct Answer is C

Explanation

Choice A rationale

Fluticasone is a corticosteroid used to manage asthma and COPD symptoms and does not typically require clarification.

Choice B rationale

Furosemide is a diuretic used to manage fluid overload in heart failure and does not require clarification.

Choice C rationale

Carvedilol is a non-selective beta-blocker that can exacerbate asthma symptoms and bronchospasm. It should be avoided in clients with a history of asthma.

Choice D rationale

Isosorbide dinitrate is a nitrate used to manage angina and heart failure and does not require clarification.

A. "You should stop playing basketball, but you can swim instead.”. B. "Avoid triggers that cause an attack.”. C. "Use the peak expiratory flow meter once per week.”. D. "Take cromolyn sodium at the first sign of breathing difficulty.”.

Correct Answer is B

Explanation

Choice A rationale

While swimming can be less likely to trigger asthma attacks than some other sports, children with asthma should not necessarily stop playing basketball if it's something they enjoy. Proper management and understanding triggers are crucial.

Choice B rationale

Avoiding triggers that cause an asthma attack is a fundamental part of asthma management. Triggers can vary from person to person and may include allergens, smoke, cold air, and exercise.

Choice C rationale

The peak expiratory flow meter should be used regularly, typically twice a day, to monitor asthma control, not just once per week. Regular use helps identify worsening symptoms early.

Choice D rationale

Cromolyn sodium is a preventive medication and should be taken regularly as prescribed, not just at the first sign of breathing difficulty.

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A client is admitted to the emergency department with a magnesium level of 1.2 mg/dL. The nurse is aware that a likely cause of the value is which of the following:

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Naxlex Comprehensive Predictor Exams

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Explanation

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Explanation

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