A nurse is preparing to administer digoxin 0.25 mg PO to a client. The amount available is digoxin 0.125 mg tablets. How many tablets should the nurse administer to the client?
(Round to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["2"]
To determine how many tablets of digoxin 0.125 mg are needed to administer a total dose of 0.25 mg, divide the desired dose by the dose per tablet:
0.25 mg (desired dose) ÷ 0.125 mg (dose per tablet) = 2 tablets
Therefore, the nurse should administer 2 tablets of digoxin 0.125 mg to the client to achieve a total dose of 0.25 mg.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Vitamin K: Vitamin K is the antidote for warfarin, not heparin. Warfarin works by inhibiting the synthesis of vitamin K-dependent clotting factors in the liver. Therefore, vitamin K is used to reverse the effects of warfarin in cases of over-anticoagulation. It does not reverse the effects of heparin.
B. Deferoxamine: Deferoxamine is a chelating agent used to treat iron toxicity and aluminum overload. It is not indicated for reversing the effects of heparin.
C. Acetylcysteine: Acetylcysteine is used as an antidote for acetaminophen (paracetamol) overdose. It is not indicated for reversing the effects of heparin.
D. Protamine sulfate: This is the correct answer. Protamine sulfate is the antidote for heparin. It works by binding to heparin to form a stable complex, thereby neutralizing its anticoagulant effects. Protamine sulfate is commonly used in clinical practice to reverse the effects of heparin in situations such as hemorrhage or when rapid reversal of anticoagulation is needed, such as before surgery.
Correct Answer is ["7"]
Explanation
Dosage (mL) = Desired dose (mg) / Concentration (mg/mL)
Dosage (mL) = 350 mg / (250 mg/5 mL)
Dosage (mL) = 7 mL (rounded to nearest whole number)
Therefore, the nurse should administer 7 mL of amoxicillin suspension.
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