The physician orders vancomycin 2gm in 500mL of 0.9% N$ to infuse over 4 hours. Calculate the flow rate in milliliters per hour. Round to the nearest whole number.

Answer and Explanation

The Correct Answer is ["125"]

Rationale:
Flow rate (mL/hr) = Total volume (mL) ÷ Time (hr)
Flow rate = 500 mL ÷ 4 hr = 125 mL/hr

Rounded flow rate: 125 mL/hr

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Correct Answer is C

Explanation

Rationale:
A. Urinary catheters drain urine but do not typically cause significant electrolyte loss leading to hypokalemia.
B. Chest tubes remove air, blood, or fluid from the pleural space but do not significantly affect potassium levels.
C. NG (nasogastric) tubes to suction can lead to hypokalemia because they remove gastric contents, which include potassium and other electrolytes. Prolonged suctioning can cause significant electrolyte imbalances.
D. Nephrostomy tubes drain urine directly from the kidney and do not typically lead to potassium depletion unless there is a high-output or concurrent renal dysfunction.

A. PH B. PaCO2 C. HCO3 D. PaO2 E. blood glucose

Correct Answer is ["A","B","C","D"]

Explanation

Rationale:
A. pH indicates the overall acid-base status (acidosis or alkalosis) and is critical in determining the presence of an imbalance.
B. PaCO₂ reflects the respiratory component of acid-base balance and helps assess respiratory acidosis or alkalosis.
C. HCO₃ (bicarbonate) reflects the metabolic component of acid-base balance and is essential for evaluating metabolic acidosis or alkalosis.
D. PaO₂ indicates the oxygenation status of the client, which is important in assessing respiratory function, though not a direct marker of acid-base imbalance.
E. Blood glucose is not part of arterial blood gas analysis and is unrelated to acid-base balance interpretation.

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The physician orders vancomycin 2gm in 500mL of 0.9% N$ to infuse over 4 hours. Calculate the flow rate in milliliters per hour. Round to the nearest whole number.

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is caring for four clients who have drainage tubes, The nurse should identify the client who has which of the following tubes as being at risk for hypokalemia?

Correct Answer is C

Explanation

A nurse prepares to interpret the ABG values of a client diagnosed with an acid-base imbalance. Which values are most important for the nurse to consider? (Select 4 options that apply.)

Correct Answer is ["A","B","C","D"]

Explanation

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