PHENOBARBITAL Flashcards
What is phenobarbital primarily used for?
Phenobarbital is primarily used as an anticonvulsant to control seizures.
True or False: Phenobarbital is a type of barbiturate.
True
Fill in the blank: Phenobarbital acts as a _____ agent by enhancing the effects of GABA.
sedative
What are common adverse reactions associated with phenobarbital use?
Common adverse reactions include drowsiness, dizziness, and respiratory depression.
Multiple Choice: Which of the following is a serious adverse reaction of phenobarbital? A) Nausea B) Allergic reactions C) Rash D) Insomnia
B) Allergic reactions
What physiological effect does phenobarbital have on the central nervous system?
Phenobarbital depresses the central nervous system, leading to sedation and decreased seizure activity.
True or False: Phenobarbital can be used to treat anxiety disorders.
False
What receptor type does phenobarbital primarily interact with?
Phenobarbital primarily interacts with the GABA-A receptor.
What should be monitored in patients taking phenobarbital?
Patients’ serum drug levels and signs of toxicity should be monitored.
Fill in the blank: Phenobarbital can interact with _____, leading to decreased effectiveness.
oral contraceptives
Multiple Choice: Which of the following drugs can increase the metabolism of phenobarbital? A) Warfarin B) Phenytoin C) Lithium D) Digoxin
B) Phenytoin
What is the risk of abrupt withdrawal from phenobarbital?
Abrupt withdrawal can lead to seizures and withdrawal symptoms.
True or False: Phenobarbital is a first-line treatment for all types of seizures.
False
What is a potential long-term effect of phenobarbital use?
Long-term use can lead to dependence and tolerance.
What is the mechanism of action of phenobarbital?
Phenobarbital enhances GABAergic transmission and inhibits excitatory neurotransmission.
