A nurse in a provider's clinic is caring for a client who reports erectile dysfunction and requests a prescription for sildenafil. Which of the following medications currently prescribed for the client is a contraindication to taking sildenafil?
Metronidazole
Phenytoin
Prednisone
Isosorbide
The Correct Answer is D
Rationale:
A. Metronidazole: Metronidazole is an antibiotic and does not have significant interactions with sildenafil.
B. Phenytoin: Phenytoin is an anticonvulsant medication and does not have significant interactions with sildenafil.
C. Prednisone: Prednisone is a corticosteroid and does not have significant interactions with sildenafil.
D. Isosorbide: Isosorbide is a nitrate medication used to treat angin
A. Combining sildenafil with nitrate medications can lead to severe hypotension and is contraindicated. Sildenafil potentiates the vasodilatory effects of nitrates, which can result in a dangerous drop in blood pressure.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. A 10-year-old child who has sickle cell anemia who reports severe chest pain
Rationale:
A. A 10-year-old child who has sickle cell anemia who reports severe chest pain. Chest pain in a child with sickle cell anemia could indicate vaso-occlusive crisis, acute chest syndrome, or other serious complications requiring immediate assessment and intervention.
B. A PCO2 of 37 mm Hg in a 4-year-old child with asthma may indicate respiratory distress, but severe chest pain in a child with sickle cell anemia takes priority.
C. A urine specific gravity of 1.016 in a 7-year-old child with diabetes insipidus may indicate mild dehydration, but it does not require immediate assessment compared to severe chest pain.
D. A temperature of 39°C (102.2°F) in a 1-year-old toddler with roseola is concerning but does not take precedence over severe chest pain in a child with sickle cell anemi
A.
Correct Answer is C
Explanation
Rationale:
A. Increasing the rate of infusion of IV oxytocin could exacerbate the uterine hyperstimulation and fetal decelerations, potentially leading to fetal distress. It is not appropriate in this situation.
B. Slowing the client's rate of breathing would not address the issue of fetal decelerations caused by uterine hyperstimulation. This action is not relevant to the situation described.
C. Discontinuing the infusion of the IV oxytocin is the correct action in this scenario. The presence of uniform decelerations beginning at the peak of contractions suggests uterine hyperstimulation, likely caused by oxytocin. Discontinuing the oxytocin infusion allows the uterus to rest, reducing the risk of further fetal distress.
D. Decreasing the rate of infusion of the maintenance IV solution is not the priority in this
situation. The issue is uterine hyperstimulation caused by oxytocin, so discontinuing the oxytocin infusion is the appropriate action to take.
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