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 B
Explanation
- A. Administer oxygen via face mask.
- Administering oxygen can be beneficial as it increases maternal oxygenation, which can improve fetal oxygenation. However, it is not the first-line action for late decelerations.Late decelerations are a sign of uteroplacental insufficiency, and while oxygen helps, repositioning the mother is more critical to address the root cause. Oxygen administration is a supportive measure but does not directly address the potential compression of the umbilical cord or placental perfusion issues.
- B. Position the client on her side.
Positioning the client on her side, specifically the left side, can improve uteroplacental circulation, addressing the cause of late decelerations.This position helps to relieve pressure on the inferior vena cava, enhancing blood flow to the placenta and fetus.It is a non-invasive, immediate intervention that can potentially correct the issue of late decelerations quickly.
- C. Increase the infusion rate of the IV fluid.Increasing the infusion rate of IV fluids can improve maternal blood volume, potentially improving placental perfusion.However, this action is not as immediate in effect as repositioning the client and is considered a secondary measure.It may be used in conjunction with other actions but should not be the priority intervention for late decelerations.
- D. Elevate the client's legs.
Elevating the client's legs can increase venous return to the heart, potentially improving maternal cardiac output and placental blood flow.However, this action is less effective than lateral positioning in addressing uteroplacental insufficiency.It is not the first-line response for late decelerations and may not provide the immediate correction needed.
Correct Answer is B
Explanation
Rationale:
A. Smiles when a parent appears: This is a social and emotional developmental milestone typically achieved by an 8-month-old infant and is not indicative of cerebral palsy.
B. Sits with pillow props: Difficulty sitting without support or requiring props to maintain a sitting position can be a manifestation of cerebral palsy, reflecting motor delays and impaired muscle control.
C. Tracks an object with eyes: Tracking objects with eyes is a visual developmental milestone and does not directly relate to cerebral palsy.
D. Uses a pincer grasp to pick up a toy: The pincer grasp typically develops around 9 to 12 months of age and is not directly related to cerebral palsy.
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