ATI RN
ATI Pharmocology Exam Fletcher NRSG 106 Questions
Extract:
Question 1 of 5
During the immediate postoperative period, the Post Anesthesia Care Unit nurse is assessing a patient who had hip surgery. The patient is experiencing tachycardia, tachypnea, and muscle rigidity, and his temperature is 103°F (39.4°C). The nurse will prepare for what immediate treatment?
Correct Answer: A
Rationale: These symptoms indicate malignant hyperthermia, treated with dantrolene to reduce muscle rigidity and hypermetabolism.
Question 2 of 5
The barbiturate phenobarbital is prescribed for a patient with epilepsy. While assessing the patient's current medications, the nurse recognizes that interactions may occur with which drugs? (Select all that apply.)
Correct Answer: A,C,D,E
Rationale: Phenobarbital induces hepatic enzymes, reducing the efficacy of oral contraceptives, warfarin, opioids, and diuretics.
Question 3 of 5
A nurse is preparing to administer methylnaltrexone 12 mg subcutaneously to a client who has opioid-induced constipation. Available is methylnaltrexone 8 mg/0.4 mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
Correct Answer: A
Rationale: Using the proportion 8 mg/0.4 mL = 12 mg/x, solving gives x = 0.6 mL.
Question 4 of 5
During a routine appointment, a patient with a history of seizures is found to have a phenytoin level of 23 mcg/mL. What concern will the nurse have, if any?
Correct Answer: A
Rationale: Phenytoin levels above 20 mcg/mL are toxic, risking symptoms like nystagmus and ataxia, requiring dosage adjustment.
Question 5 of 5
A patient has been taking donepezil for 2 weeks as part of the treatment for early stages of Alzheimer's disease. Her daughter calls the prescriber's office and is upset because 'Mother has not improved one bit!' Which response by the nurse is appropriate?
Correct Answer: D
Rationale: Donepezil may take up to 6 weeks to show therapeutic effects, providing an accurate expectation.