ATI RN
ATI Pharmacology Final Exam 1 Questions
Extract:
Question 1 of 5
Phenytoin has a narrow therapeutic index. The nurse recognizes that this characteristic indicates which of these?
Correct Answer: D
Rationale: Narrow therapeutic index means the safe and toxic plasma levels are very close, requiring careful monitoring.
Question 2 of 5
A nurse is preparing to administer diphenhydramine 50 mg PO every 6 hr to a client who has acute dystonia. Available is diphenhydramine 25 mg tablets. How many tablets should the nurse administer per dose? (Round to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
Correct Answer: A
Rationale: Number of tablets = prescribed dose/strength of each tablet = 50/25 = 2 tablets.
Question 3 of 5
A client who has received some traumatic news is panicking and asks for some medication to help settle down. The nurse anticipates giving which drug that is most appropriate for this situation?
Correct Answer: B
Rationale: Diazepam, a benzodiazepine, is used to manage acute anxiety and panic.
Question 4 of 5
A nurse is providing teaching to a client who has seizures and a new prescription for phenytoin. Which of the following information should the nurse provide?
Correct Answer: A
Rationale: Alcohol interacts with phenytoin leading to CNS depression.
Question 5 of 5
A client on chemotherapy is using ondansetron for treatment of nausea. The nurse will instruct the client to watch for which adverse effect of this drug?
Correct Answer: A
Rationale: Ondansetron can cause headache and dizziness.