A Patient Who Is Not on Any Medications Is Admitted

question 14

Multiple Choice

A patient who is not on any medications is admitted to your unit with severe hypokalemia.Laboratory values taken upon admission to the ED are serum K?,2.2 mEq/L; BUN,15 mg/dL; and creatinine,1.2 mg/dL.Urine output is averaging 45 mL/hr.The ED nurse reports that the patient received a total of 80 mEq of potassium over 4 hours via a right subclavian central venous line.After admission to your unit,the physician orders a repeat potassium level.The result is K?,2.4 mEq/L.What other information would be beneficial at this time?

• A) Magnesium level
• B) Repeat creatinine level
• C) Calcium level
• D) Hemoglobin level

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Definitions:

Marginal Revenue

The additional income generated from selling one more unit of a good or service, crucial for understanding profit maximization strategies in firms.

Average Total Cost

The total cost of production (fixed and variable costs combined) divided by the number of units produced.

Average Variable Cost

The total variable cost of production divided by the number of units produced, indicating the variable cost per unit.

Break-even Point

The point at which total cost and total revenue are equal, meaning there is no profit or loss.