A nurse is caring for a patient who is receiving warfarin therapy to prevent deep vein thrombosis. Which of the following medications should the nurse have available in the event of an overdose?

Atropine

Protamine

Vitamin K

Epinephrine

Answer and Explanation

The Correct Answer is C

Choice A reason: Atropine is used to treat bradycardia and is not an antidote for warfarin overdose.

Choice B reason: Protamine is used to reverse the eﬀects of heparin, not warfarin.

Choice C reason: Vitamin K is the antidote for warfarin overdose as it helps in the synthesis of clotting factors that warfarin inhibits.

Choice D reason: Epinephrine is used for severe allergic reactions and cardiac arrest, not as an antidote for warfarin overdose.

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Correct Answer is A

Explanation

Choice A reason: Obstructive sleep apnea can increase the risk of postoperative complications due to potential breathing problems and the eﬀects of anesthesia.

Choice B reason: A glucose level of 75 mg/dL is within the normal fasting range (70-99 mg/dL) and does not typically place a patient at increased risk for postoperative complications.

Choice C reason: A BMI of 24 falls within the normal weight range (18.5-24.9) and is not considered a risk factor for postoperative complications.

Choice D reason: While increased anxiety can aﬀect a patient's experience, it is not a direct risk factor for postoperative complications like obstructive sleep apnea is.

A. Respiratory acidosis B. Metabolic acidosis C. Metabolic alkalosis D. Respiratory alkalosis

Correct Answer is A

Explanation

Choice A reason: Respiratory acidosis is indicated by a pH lower than the normal range (7.35-7.45), combined with a CO2 level higher than the normal range (35-45 mmHg). In this scenario, the pH is 7.33, which is slightly acidic, and the CO2 is 50, which is elevated, suggesting that the lungs are not adequately removing CO2.

Choice B reason: Metabolic acidosis is characterized by a low pH and a low HCO3 level. However, in this case, the HCO3 is normal (22-26 mEq/L), ruling out metabolic acidosis.

Choice C reason: Metabolic alkalosis would present with a high pH and a high HCO3 level. Since the pH is low, metabolic alkalosis is not the correct answer.

Choice D reason: Respiratory alkalosis is characterized by a high pH and a low CO2 level. Given that the pH is low and the CO2 is high, respiratory alkalosis is not the condition indicated by these ABG results.

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A nurse is caring for a patient who is receiving warfarin therapy to prevent deep vein thrombosis. Which of the following medications should the nurse have available in the event of an overdose?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is A

Explanation

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Correct Answer is A

Explanation

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