Chapter 5: Anticonvulsants and Antiparkinsonism Drugs
Answers to Case Study and Review Questions
Case Study
1. d
2. Because phenytoin may cause gingival hyperplasia, Donny should see his dentist
regularly for check-ups. He should also brush and floss after each meal.
3. b
4. d
5. Carbidopa/levodopa, because it is considered to be more effective than amantadine.
Review Questions
1. d
2. b
3. a
4. b
5. b
6. d
7. a
8. c
9. True
10. True
11. True
12. False. Levodopa does cross the blood-brain barrier. Combining levodopa and carbidopa
allows more levodopa to reach the brain.
13. on-off phenomenon
14. Epilepsy
15. Parkinson disease; dopamine; acetylcholine
16. sedation or drowsiness
17. A medic alert tag or similar identification will alert others to the type of seizure disorder
the individual has and the medication he or she is taking. It is especially useful for health
care professionals (e.g., EMTs, paramedics, emergency room physicians or nurses) who
may need to treat the patient during a medical emergency when the patient may be unable
to communicate.
18. Choreiform movements include involuntary muscular twitching of the limbs or facial
muscles. Dystonic movements include muscular spasms most often affecting the tongue,
jaw, eyes, and neck.
19. Each different type of seizure has a specific pattern of events, as well as a different
pattern of motor or sensory manifestations.
20. The four types of antiparkinsonism drugs are dopaminergic agents, anticholinergic drugs,
COMT inhibitors, and dopamine receptor agonists.