Whenever a nurse is caring for clients who are receiving warfarin (Coumadin), which of the following medications should the nurse have on hand in the event of an overdose?
Protamine
Vitamin K
Atropine
Epinephrine
The Correct Answer is B
A. Protamine is used to reverse the effects of heparin, not warfarin.
B. Vitamin K is the antidote for warfarin overdose, as it promotes the synthesis of clotting factors that are inhibited by warfarin.
C. Atropine is used to treat bradycardia and other conditions, but it is not used to reverse the effects of warfarin.
D. Epinephrine is used to treat severe allergic reactions (anaphylaxis) and cardiac arrest, but it is not used to reverse the effects of warfarin.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Protamine is used to reverse the effects of heparin, not warfarin.
B. Vitamin K is the antidote for warfarin overdose, as it promotes the synthesis of clotting factors that are inhibited by warfarin.
C. Atropine is used to treat bradycardia and other conditions, but it is not used to reverse the effects of warfarin.
D. Epinephrine is used to treat severe allergic reactions (anaphylaxis) and cardiac arrest, but it is not used to reverse the effects of warfarin.
Correct Answer is B
Explanation
A. Fentanyl, an opioid, typically causes pupillary constriction, not dilation. This is known as miosis.
B. Fentanyl can cause bradycardia or tachycardia, but tachycardia is more common in acute toxicity.
C. Fentanyl is more likely to cause hypotension (low blood pressure) rather than hypertension (high blood pressure).
D. Fentanyl can cause respiratory depression, leading to hypoventilation and possibly bradypnea or apnea, but tachypnea (rapid breathing) is less likely to occur as a direct effect of fentanyl toxicity.
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