A 22-year-old dialysis patient presents to the ER with chest pain and palpitations. Laboratory tests reveal a Potassium (K+) level of 7.0 mEq/L. Which electrolyte imbalance is the patient suffering from?
Hypercalcemia
Hyperkalemia
Hypokalemia
Hyponatremia
The Correct Answer is B
B. It occurs when there is an abnormally high concentration of potassium in the bloodstream, typically above 5.0 mEq/L. Symptoms of hyperkalemia can include chest pain, palpitations, muscle weakness, and potentially life-threatening cardiac arrhythmias.
A. Hypercalcemia refers to elevated levels of calcium in the blood, not potassium.
C. Hypokalemia is the opposite condition where there is a lower-than-normal level of potassium in the blood.
D Hyponatremia refers to a low sodium level in the blood.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
D. Blurred vision is a known adverse effect of metoclopramide. It can occur due to its effects on the central nervous system, including potential effects on visual processing. Patients should be informed about this potential side effect, and vision should be monitored periodically.
A. Metoclopramide can cause drowsiness or sedation, especially at higher doses or in susceptible individuals. Monitoring for sedation is important to ensure patient safety and adjust dosing as needed.
B. Urinary retention: Although less common, metoclopramide has been associated with urinary retention. Patients should be monitored for signs and symptoms of urinary difficulty or retention, especially if they have pre-existing urinary issues.
C. Hypertension: Metoclopramide can occasionally lead to an increase in blood pressure, particularly in patients who are predisposed to hypertension or have other cardiovascular risk factors. Blood pressure monitoring is important during treatment.
Correct Answer is ["125"]
Explanation
To calculate the rate at which the IV pump should be set to deliver the prescribed volume of intravenous fluids,
Divide the total volume of fluids (3,000 mL) by the number of hours over which they are to be administered (24 hours). This calculation gives you 125 mL/hr.
Therefore, the nurse should set the IV pump to deliver 125 mL of fluid per hour to meet the 24-hour requirement.
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