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 A

Explanation

Rationale:

A. pH: 7.49 is elevated (normal range: 7.35–7.45), indicating alkalosis. PaCO₂: 30 mmHg is low (normal range: 35–45 mmHg), reflecting respiratory alkalosis. HCO₃⁻: 23 mEq/L is normal (normal range: 22–26 mEq/L) → Not a metabolic cause. PaO₂: 96 mmHg and SaO₂: 98% indicates normal oxygenation. Since the pH is high (alkalotic), and the PaCO₂ is low (respiratory alkalosis cause), and HCO₃⁻ is normal, the imbalance is uncompensated respiratory alkalosis

B. Metabolic alkalosis would show high pH and high HCO₃⁻

C. Respiratory acidosis would show low pH and high PaCO₂

D. Metabolic acidosis would show low pH and low HCO₃⁻

A. Have the laboratory draw a blood sample for an erythrocyte sedimentation rate. B. Administer potassium gluconate 40 mEq orally. C. Restrict fluid intake. D. Obtain a 12-lead ECG.

Correct Answer is D

Explanation

Rationale:
A. An erythrocyte sedimentation rate (ESR) is used to detect inflammation but is not relevant in the immediate management of hyperkalemia.
B. Administering potassium would worsen the client's already elevated potassium level.
C. Restricting fluids is not an appropriate initial response for hyperkalemia and can increase the risk of complications.
D. A potassium level of 6.8 mEq/L is critically high and can cause life-threatening cardiac dysrhythmias. A 12-lead ECG is essential to assess for cardiac effects of hyperkalemia, such as peaked T waves or widened QRS complexes.

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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.

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Naxlex Comprehensive Predictor Exams

Interpret the following ABG: pH 7.49, pCo2 30 mmHg, HCO3 23 Meq/L. PaO2 96 mmHg. SaO2 98%

Correct Answer is A

Explanation

A nurse is reviewing the laboratory values for a client who takes spironolactone and notes that the client's serum potassium level is 6.8 mEq/L. The nurse notifies the provider and anticipates that the provider will provide which of the following instructions?

Correct Answer is D

Explanation

The physician orders an IV of 20mEq of potassium chloride in 1000mL of 0.9% NS to infuse over 6 hours. Calculate the flow rate in milliliters per hour. Round to the nearest whole number

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A client with hypermagnesemia is prescribed calcium gluconate. Which action is appropriate for the nurse to take?

A nurse is caring for a client diagnosis with uncompensated metabolic alkalosis secondary to prolonged vomiting. When reviewing this client's laboratory data, which value should the nurse anticipate?

A nurse is reviewing the laboratory values of a client who is receiving total parenteral nutrition (TPN): glucose 72 mg/dL, chloride 100 mEq/L. sodium 138 mEq/L. and potassium 3.0 mEq/L. Which of the following actions should the nurse plan to take?

During a change-of-shift report, a nurse sees that a client's IV bag of 0.9% sodium chloride has 900 mL of fluid left in it. The nurse makes rounds 30 min later and notes that the IV bag is empty. Which of the following actions should the nurse take?

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