ATI RN
ATI Pharmocology Exam Fletcher NRSG 106 Questions
Extract:
Question 1 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 2 of 5
When evaluating a patient who is taking orlistat, which is an intended therapeutic effect?
Correct Answer: A
Rationale: Orlistat inhibits fat absorption, promoting weight loss as its primary therapeutic effect.
Question 3 of 5
When assessing patients in the preoperative area, the nurse knows that which patient is at a higher risk for an altered response to anesthesia?
Correct Answer: C
Rationale: Advanced age (82 years) increases the risk of altered anesthesia response due to physiological changes and reduced drug clearance.
Question 4 of 5
A patient has been taking lithium for 1 year, and the most recent lithium level is 0.9 mEq/L. Which statement about the laboratory result is correct?
Correct Answer: B
Rationale: A lithium level of 0.9 mEq/L is within the therapeutic range (0.6-1.2 mEq/L) for maintenance therapy.
Question 5 of 5
An adrenergic agonist is ordered for a patient in shock. The nurse will note that this drug has had its primary intended effect if which expected outcome occurs?
Correct Answer: B
Rationale: Adrenergic agonists increase heart rate and contractility, improving cardiac output and tissue perfusion, which is the primary goal in shock treatment.