A nurse assesses four patients. Which patient has greatest risk for hypomagnesemia?
a 41-year-old with hypernatremia
a 72-year-old with chronic alcoholism
a 79-year-old with bone cancer
a 46-year-old with respiratory acidosis
The Correct Answer is B
A) 41-year-old with hypernatremia:
Hypernatremia refers to elevated levels of sodium in the blood. While hypernatremia can lead to dehydration and electrolyte imbalances, it does not directly correlate with an increased risk of hypomagnesemia.
B) 72-year-old with chronic alcoholism:
Chronic alcoholism is a significant risk factor for hypomagnesemia. Alcohol abuse can lead to poor dietary intake of magnesium, increased renal excretion of magnesium, and impaired absorption of magnesium in the gastrointestinal tract, all contributing to magnesium deficiency.
C) 79-year-old with bone cancer:
Bone cancer does not inherently increase the risk of hypomagnesemia. However, depending on the treatment modalities and disease progression, the client may be at risk for other electrolyte imbalances or complications associated with bone cancer.
D) 46-year-old with respiratory acidosis:
Respiratory acidosis refers to an acid-base imbalance characterized by elevated levels of carbon dioxide in the blood due to impaired ventilation. While respiratory acidosis can lead to electrolyte imbalances, particularly potassium imbalances, it is not directly linked to hypomagnesemia.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A) Gelatin: Gelatin is a suitable choice for a clear liquid diet. It is transparent and easily digestible, making it appropriate for individuals requiring clear liquids, such as those recovering from certain medical procedures or surgeries.
B) Popsicle: Popsicles are commonly included in clear liquid diets. They provide hydration and can help soothe a sore throat or provide relief from nausea. However, it is essential to ensure that the popsicle is clear and does not contain any solid fruit or pieces.
C) Yogurt: Yogurt is not typically included in a clear liquid diet. Clear liquid diets consist of transparent or translucent fluids that are easily digested and leave minimal residue in the gastrointestinal tract. Yogurt, being a semi-solid food, contains particles that are not clear and is typically considered a full liquid or soft diet item rather than a clear liquid. Therefore, the client's choice of yogurt indicates a need for further teaching regarding appropriate food choices for a clear liquid diet.
D) Broth: Broth, such as chicken or beef broth, is a staple of clear liquid diets. It is easily digested and provides essential electrolytes and hydration. Broth can be consumed hot or cold, depending on the client's preference and medical condition.
Correct Answer is B
Explanation
A. Excessive thirst and urination:
Excessive thirst and urination are symptoms typically associated with hyperglycemia, where there is a high level of glucose in the blood, often related to diabetes. When TPN is stopped suddenly, the concern is more about hypoglycemia due to the abrupt lack of glucose infusion, not hyperglycemia.
B. Shakiness and diaphoresis:
When TPN is suddenly interrupted, the continuous supply of glucose that the patient relies on is abruptly halted. This can lead to a rapid drop in blood sugar levels, causing hypoglycemia. Symptoms of hypoglycemia include shakiness, diaphoresis (sweating), confusion, and even loss of consciousness if not promptly addressed. Monitoring for shakiness and diaphoresis is crucial in this scenario to prevent severe hypoglycemia.
C. Hypertension and crackles:
These symptoms are typically indicative of fluid overload or heart failure. While TPN can contribute to fluid overload if not managed properly, the immediate concern with the cessation of TPN is the lack of glucose and potential hypoglycemia, not fluid overload.
D. Fever and chills:
Fever and chills are generally signs of an infection, such as sepsis. While infections can be a complication of TPN due to the intravenous route of administration, they are not directly related to the sudden stopping of TPN. The primary concern when TPN stops unexpectedly is the risk of hypoglycemia due to the cessation of glucose infusion.
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