A nurse is caring for a client who is taking digoxin for heart failure and develops indications of severe digoxin toxicity. Which of the following medications should the nurse prepare to administer?
Flumazenil
Acetylcysteine
Naloxone
Fab antibody fragments
The Correct Answer is D
A) Flumazenil: Flumazenil is an antidote used to reverse the effects of benzodiazepines, which are central nervous system depressants. It is not effective in treating digoxin toxicity, as it does not interact with the cardiac glycoside effects of digoxin.
B) Acetylcysteine: Acetylcysteine is primarily used as an antidote for acetaminophen overdose and to help manage mucus in respiratory conditions. It has no effect on digoxin toxicity and would not be appropriate for treating this condition.
C) Naloxone: Naloxone is an opioid antagonist used to reverse the effects of opioid overdose. Like flumazenil and acetylcysteine, naloxone is not effective in addressing digoxin toxicity and does not counteract the effects of cardiac glycosides.
D) Fab antibody fragments: Fab antibody fragments, also known as Digoxin-specific antibody fragments (Digibind or DigiFab), are the appropriate treatment for severe digoxin toxicity. These fragments bind to digoxin, neutralizing its effects and allowing the body to eliminate it safely. This is the most effective and specific treatment for life-threatening digoxin toxicity.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["100"]
Explanation
Calculating the IV Infusion Rate
Problem: Administer 300 mg of clindamycin IV over 30 minutes. The available solution is 300 mg in 50 mL of 0.9% NaCl.
Steps:
Convert minutes to hours:
30 minutes x (1 hour / 60 minutes) = 0.5 hours
Calculate the infusion rate:
50 mL / 0.5 hours = 100 mL/hour
Answer: The nurse should set the IV pump to deliver 100 mL/hour.
Correct Answer is C
Explanation
C) A client received a crushed bupropion XL tablet mixed with applesauce:
Extended-release (XL) medications like bupropion XL are designed to release their active ingredients gradually over time. Crushing these tablets can alter their release mechanism, potentially leading to an overdose or reduced efficacy. This is a significant error that should be reported through an incident report to ensure patient safety and evaluate the potential impact of the mistake.
A) A nurse injected Demerol IM into the vastus lateralis site of adult:
Injecting Demerol (meperidine) intramuscularly into the vastus lateralis site is not an error. This site is commonly used for intramuscular injections in adults, though other sites like the deltoid or gluteus maximus are also appropriate depending on the situation.
B) A client received gentamicin intermittent IV bolus over 1 hr:
Gentamicin is often administered as an intermittent IV bolus over a period of time, and administering it over 1 hour is a common practice. This does not indicate an error that would require an incident report.
D) A nurse used a 25-gauge 3/8 inch needle to administer a heparin injection:
Heparin injections are typically administered with a smaller gauge needle, but a 25-gauge needle is acceptable for subcutaneous injections. The needle size might be less than ideal but does not necessarily warrant an incident report unless it directly impacts the effectiveness of the medication or causes an issue.
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