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ATI Pharmacology Made Easy: The
Neurological System (Part 2) Questions and Answers | Latest Version | 2025/2026 | Correct & Verified
Which medication is commonly prescribed for absence seizures?
a) Levodopa
b) Phenytoin
✔✔c) Ethosuximide
d) Diazepam
Why should a patient taking phenytoin maintain good oral hygiene?
a) To prevent dry mouth
b) To avoid taste changes
✔✔c) To reduce the risk of gingival hyperplasia
d) To strengthen enamel
What is a priority teaching point for a patient taking levodopa-carbidopa for Parkinson’s disease?
a) Avoid all dairy products 1 / 3
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✔✔b) Change positions slowly to prevent dizziness
c) Take the medication with grapefruit juice
d) Increase protein intake
What is the purpose of carbidopa in the combination drug levodopa-carbidopa?
a) To cause sleepiness
✔✔b) To prevent levodopa breakdown before reaching the brain
c) To improve taste
d) To stop tremors immediately
What side effect is most concerning with valproic acid therapy?✔✔a) Liver toxicity
b) Excessive thirst
c) Constipation
d) Insomnia
Which drug is most likely prescribed for status epilepticus?
a) Gabapentin 2 / 3
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b) Ethosuximide
✔✔c) Diazepam
d) Sumatriptan
What is a common adverse effect of donepezil in patients with Alzheimer’s disease?✔✔a) Nausea and diarrhea
b) Constipation
c) Hair loss
d) Chest pain
Which instruction should be included when teaching a patient about sumatriptan for migraines?
a) Take daily to prevent headaches
b) Use only at night
✔✔c) Take at the onset of a migraine
d) Avoid taking with water
Which neurological drug class requires regular liver function tests?✔✔a) Antiepileptics like valproic acid
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