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The nurse is assigned a 49-year-old female client in the primary care office for a wellness visit. The nurse assesses the client, documents nurses notes, and reviews the medication administration record for potential interactions. The nurse should be most concern with the potential interaction between __and _.
Complete the sentence by choosing one answer from each option in the drop-down list below:
Medication Reconciliation:

St. John's wort 450 mg by mouth twice daily

Gabapentin 400 mg by mouth twice daily

Aspirin 81 mg by mouth daily

Atorvastatin 80 mg by mouth daily

Lisinopril 5 mg by mouth daily

Warfarin 5 mg by mouth daily

Ginger 5mg by mouth daily

Valerian 10mg by mouth daily

Answer and Explanation

Correct Answer : A,F

A. St. John's wort 450 mg by mouth twice daily: St. John's wort is known to be a potent inducer of cytochrome P450 enzymes and can significantly reduce the effectiveness of warfarin by increasing its metabolism. This interaction can lead to subtherapeutic levels of warfarin and an increased risk of thromboembolic events.

B. Gabapentin 400 mg by mouth twice daily: While gabapentin can interact with other medications, its interactions with warfarin or St. John's wort are generally not as significant as those between warfarin and St. John's wort.

C. Aspirin 81 mg by mouth daily: Aspirin has anticoagulant properties and can have interactions with warfarin. However, the interaction with St. John's wort is less pronounced compared to the interaction between warfarin and St. John's wort.

D. Atorvastatin 80 mg by mouth daily: Atorvastatin primarily affects lipid levels and has different metabolic pathways compared to warfarin. It does not have a strong interaction with St. John's wort.

E. Lisinopril 5 mg by mouth daily: Lisinopril is an ACE inhibitor and does not have significant interactions with St. John's wort or warfarin.

F. Warfarin 5 mg by mouth daily. Warfarin is an anticoagulant that requires careful monitoring due to its interactions with various substances that can either increase the risk of bleeding or decrease its effectiveness.

G. Ginger 5 mg by mouth daily: Ginger can affect platelet function but is not as significant in interaction with warfarin as St. John's wort.

H. Valerian 10 mg by mouth daily: Valerian may have mild interactions with central nervous system depressants but does not have significant interactions with warfarin or St. John's wort.

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Correct Answer is A

Explanation

A. The drug will be more effective when given in a nonenteral route:
Morphine has a high first-pass effect when taken orally, meaning that a significant amount of the drug is metabolized in the liver before it reaches systemic circulation. This reduces the amount of active drug available in the bloodstream. To avoid this extensive metabolism, morphine is often administered through nonenteral routes, such as intravenous or subcutaneous, where it bypasses the digestive system and liver first-pass metabolism, resulting in higher systemic bioavailability and effectiveness.

B. The drug will be most effective when given orally:
Due to the high first-pass effect of oral morphine, a significant portion of the drug is metabolized by the liver before it reaches systemic circulation. This means that oral morphine is often less effective compared to other routes of administration, such as intravenous, because the bioavailability of the drug is reduced.

C. The drug is excreted by the kidneys at a slower rate than most medications:
The high first-pass effect primarily affects the drug's absorption and systemic availability rather than its excretion rate. The rate at which a drug is excreted by the kidneys is generally unrelated to its first-pass effect. Morphine’s excretion is influenced by its metabolism and clearance, but not directly by the first-pass effect.

D. The kidney will metabolize some of the drug before it reaches the bloodstream:
The first-pass effect occurs primarily in the liver, not the kidneys. It involves the metabolism of the drug by the liver before it reaches systemic circulation. Therefore, this option incorrectly attributes the first-pass effect to kidney metabolism.

A. Opioids B. Benzodiazepines C. Betablockers D. Acetaminophen

Correct Answer is {"A":{"answers":"C"},"B":{"answers":"D"},"C":{"answers":"A"},"D":{"answers":"B"}}

Explanation

Naloxone is an opioid antagonist and is used to reverse opioid overdoses.

Flumazenil is a benzodiazepine antagonist and can reverse the effects of benzodiazepines.

Glucagon can be used to treat beta-blocker overdose by increasing heart rate and blood pressure.

Acetylcysteine acts as an antidote for acetaminophen toxicity by replenishing glutathione levels to enhance non-toxic metabolism of acetaminophen.

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A nurse reads in a drug information guide that PO morphine has a high first-pass effect. Which of the following would the nurse expect?

Correct Answer is A

Explanation

A charge nurse is teaching a group of nurses about the antagonist action of reversal medications. For each medication listed below, click to specify the expected reversal agent

Correct Answer is {"A":{"answers":"C"},"B":{"answers":"D"},"C":{"answers":"A"},"D":{"answers":"B"}}

Explanation

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