A client is taking medications that include digoxin, baby aspirin, K-Dur, and Lasix. The client complains of muscle cramps and facial tics. The nurse discovers the client has positive Chvostek's and Trousseau's signs, has hypotension, and is confused. If the client is exhibiting signs of hypomagnesemia, which of these findings would the nurse also expect the client to exhibit?
elevated serum calcium and potassium levels
decreased serum calcium and potassium levels
impaired acid-base balance
bradycardia and cardiac dysrhythmias
The Correct Answer is B
A. Elevated serum calcium and potassium levels: Hypomagnesemia typically causes decreased calcium levels, not elevated. Additionally, while magnesium helps maintain potassium levels, hypomagnesemia can lead to a drop in potassium, not an elevation.
B. Decreased serum calcium and potassium levels: Hypomagnesemia often leads to low calcium levels due to decreased parathyroid hormone secretion and can cause hypokalemia due to impaired potassium uptake in the kidneys.
C. Impaired acid-base balance: Hypomagnesemia itself does not cause significant acid-base imbalance. It’s more likely to cause electrolyte disturbances especially calcium and potassium, which can lead to arrhythmias, acid-base imbalance is not the primary concern.
D. Bradycardia and cardiac dysrhythmias: While hypomagnesemia can indeed cause cardiac dysrhythmias, a common manifestation is tachycardia rapid heart rate and certain types of arrhythmias like Torsades de Pointes, rather than bradycardia.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","D"]
Explanation
A. Dyspnea: Dyspnea, or difficulty breathing, can be a sign of fluid volume excess. Fluid overload can cause pulmonary congestion and lead to respiratory distress. This is a critical manifestation that should be reported.
B. Edema: Edema is a common sign of fluid retention, especially in the lower extremities, and is indicative of fluid volume excess. This should be monitored and reported if observed during the transfusion.
C. Bradycardia: Bradycardia is typically not a sign of fluid volume excess. In fluid volume excess, the heart often tries to compensate for the increased fluid by increasing its rate (tachycardia) to maintain cardiac output, or the rate might remain relatively normal.
D. Hypertension: Hypertension, or high blood pressure, can occur with fluid volume excess as the extra fluid in the circulatory system increases the workload on the heart and raises blood pressure. This is a critical sign of fluid overload that requires reporting.
E. Weakness: Weakness can occur in a variety of conditions, including fluid volume excess, but it is a nonspecific symptom. It is less directly associated with fluid overload compared to the other findings like dyspnea, edema, and hypertension.
Correct Answer is A
Explanation
A. Metabolic acidosis: Fasting can lead to the production of ketones as the body breaks down fat for energy in the absence of sufficient glucose. Ketones are acidic, and their accumulation in the blood leads to a decrease in pH, causing metabolic acidosis.
B. Metabolic alkalosis: This condition occurs when there is an excessive loss of acid or an increase in bicarbonate levels. It is not typically associated with fasting or the production of ketones.
C. Respiratory alkalosis: Respiratory alkalosis occurs when excessive CO2 is exhaled, leading to an increase in blood pH. This is typically due to hyperventilation and is not related to fasting or ketone production.
D. Respiratory acidosis: Respiratory acidosis results from the retention of CO2 due to hypoventilation, which leads to a decrease in blood pH. This condition is not associated with fasting or ketosis and is not likely to be the cause of the client’s symptoms.
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