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 A

Explanation

Choice A rationale

Using the inhaler before engaging in physical activity helps to prevent exercise-induced bronchospasm, which is common in patients with COPD.

Choice B rationale

Skipping doses if symptoms improve is not recommended as it can lead to suboptimal control of COPD and potential exacerbations.

Choice C rationale

Using the inhaler only when experiencing severe symptoms is not effective in managing COPD. Regular use as prescribed helps maintain lung function and prevent exacerbations.

Choice D rationale

Doubling the dose if symptoms do not improve immediately is not safe and can lead to adverse effects. Patients should follow the prescribed dosage and consult their healthcare provider if symptoms persist.

A. Jaundice. B. Hypertension. C. Abdominal pain and cramping. D. Weight gain.

Correct Answer is C

Explanation

Choice A rationale

Jaundice is not commonly associated with Crohn's disease; it is more related to liver or gallbladder issues.

Choice B rationale

Hypertension is not a common symptom of Crohn's disease. It is generally associated with other conditions such as cardiovascular disease.

Choice C rationale

Abdominal pain and cramping are hallmark symptoms of Crohn's disease due to inflammation in the gastrointestinal tract.

Choice D rationale

Weight loss, rather than weight gain, is typically associated with Crohn's disease due to malabsorption and chronic inflammation.

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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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