NR-566 Advanced Pharmacology for Care of the Family
Final Exam Study Guide
Which drug does this describe?
The most widely used antiseizure drug; active against partial seizures as well as primary generalized tonic-clonic seizures; is of historical importance because it was the first drug to suppress seizures without depressing the entire CNS
Correct Answer:
Phenytoin (Dilantin)
does Phenytoin (Dilantin) increase or decrease the effects of oral birth control?
Correct Answer:
decrease
does Phenytoin (Dilantin) increase or decrease the effects of warfarin?
Correct Answer:
decrease
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does Phenytoin (Dilantin) increase or decrease the effects of glucocorticoids?
Correct Answer:
decrease
Does this drug increase or decrease plasma levels of Phenytoin (Dilantin)?
Diazepam
Correct Answer:
increase
Does this drug increase or decrease plasma levels of Phenytoin (Dilantin)?
isoniazid
Correct Answer:
increase
Does this drug increase or decrease plasma levels of Phenytoin (Dilantin)?
cimetidine
Correct Answer:
increase
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Does this drug increase or decrease plasma levels of Phenytoin (Dilantin)?
alcohol
Correct Answer:
increase
Does this drug increase or decrease plasma levels of Phenytoin (Dilantin)?
Valproic acid
Correct Answer:
increase
What can happen when Phenytoin (Dilantin) is given with carbamazepine?
Correct Answer:
decrease phenytoin levels and cause breakthrough seizures
What can happen when Phenytoin (Dilantin) is given with phenobarbital?
Correct Answer:
decrease phenytoin levels and cause breakthrough seizures
What can happen when Phenytoin (Dilantin) is given with alcohol?
Correct Answer:
decrease phenytoin levels and cause breakthrough seizures 3 / 4
How is phenytoin administered when a patient has an enteral tube feeding?
Correct Answer:
hold feeding before or after administration of phenytoin
What do we advise women who are in their childbearing years while taking phenytoin?
Correct Answer:
before, during and after take folic acid to reduce the risk of neural tube defects and increase birth control due to the decrease in effectiveness when both medications are taken
What medication is the first line preventative treatment for migraines?
Correct Answer:
Propanolol
What other beta blockers can be used as preventative for migraines
Correct Answer:
timolol atenolol nadolol
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