ATI RN
ATI Pharmocology Exam Fletcher NRSG 106 Questions
Question 1 of 5
A 6-year-old boy has been started on an extended-release form of methylphenidate hydrochloride for the treatment of attention deficit hyperactivity disorder (ADHD). During a follow-up visit, his mother tells the nurse that she has been giving the medication at bedtime so that it will be 'in his system' when he goes to school the next morning. What is the nurse's appropriate evaluation of the mother's actions?
Correct Answer: A
Rationale: Methylphenidate at bedtime can cause insomnia; it should be given earlier to optimize daytime symptom control.
Question 2 of 5
The drug nalbuphine is an agonist-antagonist (partial agonist). The nurse understands that which is a characteristic of partial agonists?
Correct Answer: A
Rationale: Partial agonists like nalbuphine have a lower dependency potential than full agonists, reducing the risk of physical dependence or tolerance when used for pain management.
Question 3 of 5
A nurse is preparing to administer amantadine 150 mg PO every 12 hr. Available is amantadine 50 mg/5 mL syrup. How many mL should the nurse administer per dose? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
Correct Answer: A
Rationale:
To administer 150 mg of amantadine, given a concentration of 50 mg/5 mL (10 mg/mL), the nurse calculates: 150 mg / 10 mg/mL = 15 mL.
Question 4 of 5
A patient has been given a prescription for levodopa-carbidopa for a new diagnosis of Parkinson's disease. The patient asks the nurse, 'Why are there two drugs in this pill?' The nurse's best response reflects which fact?
Correct Answer: A
Rationale: Carbidopa inhibits peripheral breakdown of levodopa, allowing more to reach the brain for conversion to dopamine, enhancing efficacy.
Question 5 of 5
When monitoring a patient who is taking a cholinergic drug, the nurse will watch for which cardiovascular effect?
Correct Answer: D
Rationale: Cholinergic drugs increase parasympathetic activity, slowing the heart rate and causing bradycardia.