The nurse has reviewed the Provider Prescriptions on the day of discharge.
The nurse has provided information regarding the adolescent's medication for home use to the guardian and the adolescent. Select the 2 statements that demonstrate the guardian's understanding of the adolescent's medication.
"This drug won't decrease the effectiveness of their oral contraceptive medication."
"We will need to periodically have their blood drawn to check phenytoin levels."
"This medication may cause their eyes to move quickly back and forth at times."
"They will need to take 400 international units (IU) of vitamin E while on this medication."
"There is nothing we can do to minimize overgrowth of their gum tissue."
Correct Answer : B,C
A. "This drug won't decrease the effectiveness of their oral contraceptive medication.": Phenytoin induces hepatic enzymes, which increase the metabolism of oral contraceptives and reduce their effectiveness.
B. "We will need to periodically have their blood drawn to check phenytoin levels.": Phenytoin has a narrow therapeutic index, and blood levels must be monitored to avoid subtherapeutic dosing or toxic effects such as ataxia, confusion, or nystagmus.
C. "This medication may cause their eyes to move quickly back and forth at times.": Nystagmus is a known dose-related adverse effect of phenytoin, especially at higher levels. Recognizing this side effect indicates understanding of possible neurologic manifestations of toxicity.
D. "They will need to take 400 international units (IU) of vitamin E while on this medication.": Vitamin E supplementation is not required for adolescents taking phenytoin. Nutritional support may focus more on maintaining adequate folic acid and vitamin D.
E. "There is nothing we can do to minimize overgrowth of their gum tissue.": Gingival hyperplasia is a common side effect of phenytoin, but it can be minimized with proper oral hygiene such as regular toothbrushing, flossing, and dental visits.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is {"A":{"answers":"B"},"B":{"answers":"B"},"C":{"answers":"B"},"D":{"answers":"A"},"E":{"answers":"A"},"F":{"answers":"A"}}
Explanation
• Keep adolescent flat in bed for 24 hr post lumbar puncture: Extended flat bed rest is not recommended after lumbar puncture, as it does not prevent spinal headache and can increase discomfort. Instead, the adolescent may be kept supine only briefly for observation.
• Place the adolescent on a cooling blanket: While the adolescent has a fever of 39° C (102.2° F), a cooling blanket can cause the body to shiver, which can increase metabolic rate and raise the core temperature. A safer method is the administration of antipyretic medications like acetaminophen.
• Administer IV acyclovir: IV acyclovir is indicated for viral meningitis, particularly caused by herpes simplex virus. This adolescent’s presentation, CSF findings (low glucose, high protein, high WBC), and purpuric rash point toward bacterial meningitis, not viral etiology, making acyclovir inappropriate here.
• Place the adolescent on seizure precautions: The adolescent has developed seizure activity with tonic-clonic features, cyanosis, and pooling secretions. Seizure precautions are essential to protect from aspiration and injury, with measures such as padded side rails, suction readiness, and airway support.
• Administer IV cefotaxime: Cefotaxime is a broad-spectrum antibiotic effective against common bacterial meningitis pathogens. Given the cloudy CSF, elevated WBC, low glucose, and rapid deterioration, immediate administration of IV antibiotics is the standard, lifesaving intervention.
• Insert a peripheral IV catheter: IV access is necessary to administer fluids, antibiotics, and emergency medications. The adolescent is also showing signs of sepsis and hypotension (BP 88/50 mmHg), so fluid resuscitation and supportive therapy via IV are vital.
Correct Answer is A
Explanation
A. Prepare to give oral N-acetylcysteine: N-acetylcysteine is the antidote for acetaminophen toxicity and is most effective when given within 8 hours of ingestion. Since the child ingested a toxic dose 4 hours ago, administering this medication promptly helps prevent severe hepatic injury.
B. Send the child home on increased fluid intake: Simply encouraging fluids does not address acetaminophen toxicity. Without antidote therapy, the child is at significant risk for liver damage, so discharge with fluids would place the child in danger.
C. Perform gastric lavage with activated charcoal: Activated charcoal may be useful if given within 1 hour of ingestion to reduce absorption. At 4 hours post-ingestion, acetaminophen has already been absorbed, making this intervention ineffective.
D. Begin hemodialysis within the next 24 hr: Hemodialysis is rarely indicated in acetaminophen toxicity unless there is massive ingestion, severe liver failure, or extremely high serum levels. The standard and effective treatment at this stage is N-acetylcysteine.
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