The nurse is obtaining a history from a client who discloses daily use of St. John's Wort in addition to prescription drugs. Which effect of this dietary supplement would most concern the nurse?
It increases the risk of bleeding.
It enhances the effects of all drugs.
It counteracts the effects of central nervous system (CNS) depressants.
It accelerates the metabolism of some drugs.
The Correct Answer is A
a) St. John's Wort is known to increase the risk of bleeding, especially when used with anticoagulant medications. This effect is particularly concerning and may require adjustments in the treatment plan.
b) While St. John's Wort can interact with various drugs, increasing the risk of bleeding is a more immediate concern.
c) St. John's Wort does not counteract the effects of CNS depressants; it may actually enhance the effects of these drugs.
d) St. John's Wort is known to induce the metabolism of some drugs, potentially reducing their effectiveness, but this is not as immediately concerning as the risk of bleeding.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A) Taking levothyroxine at bedtime may affect sleep, but this statement suggests an incorrect understanding of the dosing schedule.
B) Taking levothyroxine with a meal may interfere with its absorption. The medication is generally recommended to be taken on an empty stomach.
C) Taking levothyroxine before breakfast on an empty stomach is the standard recommendation for optimal absorption.
D) Stopping levothyroxine based on TSH levels should be done under the guidance of a healthcare provider, and it's not a routine approach to medication administration.
Correct Answer is D
Explanation
A) Omeprazole should not be chewed; it is usually taken whole with a glass of water.
B) Taking omeprazole with an antacid may alter its absorption and effectiveness; they should be taken separately.
C) While long-term use may be necessary in some cases, the statement doesn't reflect a proper understanding of the timing of administration.
D) Omeprazole is most effective when taken on an empty stomach, usually 30 to 60 minutes before a meal.
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