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.
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.8"]
Explanation
Step 1 is to divide the dose required by the concentration available. 3,800 units ÷ 5,000 units/mL = 0.76 mL.
The final answer is 0.8 mL.
Correct Answer is A
Explanation
Choice A rationale
The inability to locate a dorsalis pedis pulse and increasing pain indicate compromised circulation, which requires immediate attention to prevent complications.
Choice B rationale
Pain relieved after administering medication indicates effective pain management, which is not an urgent issue to report immediately.
Choice C rationale
Generalized weakness and increasing sensitivity to touch can be concerning but are not as urgent as signs of compromised circulation.
Choice D rationale
Localized edema and discoloration are expected findings in a fracture and are not as urgent as an absent pulse. .
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