ATI RN
Pharmacology ATI Quizlet Questions
Question 1 of 5
The following decrease the rate of gastric emptying:
Correct Answer: D
Rationale: Amitriptyline, a tricyclic antidepressant, has anticholinergic effects that slow gastric motility, reducing the rate of gastric emptying.
Question 2 of 5
The nurse is giving intravenous nitroglycerin to a patient who has just been admitted because of an acute myocardial infarction. Which statement is true regarding the administration of the intravenous form of this medication?
Correct Answer: D
Rationale: Intravenous nitroglycerin can be given in infusions with other medications, such as saline or dextrose solutions, to manage acute conditions like acute myocardial infarction. Combining nitroglycerin with other medications in an infusion is a common practice to treat patients in critical conditions and optimize therapy. This allows healthcare providers to administer multiple medications simultaneously through the same IV line, ensuring prompt and effective treatment.
Question 3 of 5
A client is prescribed levothyroxine (Synthroid) for hypothyroidism. When is the best time for the nurse to instruct the client to take this medication?
Correct Answer: C
Rationale: Levothyroxine replaces thyroid hormone, requiring optimal absorption for efficacy. Taking it on an empty stomach in the morning avoids interference from food (e.g., calcium, iron), which reduces uptake, ensuring consistent T4 levels. With breakfast or dinner , absorption drops due to dietary interactions, risking subtherapeutic effects. At bedtime is viable but less ideal if food was recent, and morning aligns with circadian thyroid function. This timing leverages levothyroxine's pharmacokinetics'long half-life but sensitivity to gut contents'maximizing bioavailability. Instructing this prevents treatment failure in hypothyroidism, where precise dosing matters, making C the best time for administration and client education.
Question 4 of 5
A 43-year-old woman with a history of hypertension drinks one to two cups of coffee per day. She has been doing this for 3 months. As a result of her continued behavior, which of the following effects of coffee is most likely for her?
Correct Answer: C
Rationale: Daily coffee (caffeine) for 3 months likely leads to tolerance . Regular use reduces adenosine blockade's stimulant effect. Fatigue decrease and alertness wane with tolerance. Tremors and withdrawal (E) need higher doses or cessation. Tolerance fits her chronic intake.
Question 5 of 5
Which of the following is suitable for immediate treatment of an 18-year-old woman presenting with weight loss, tachycardia and a goitre?
Correct Answer: D
Rationale: Weight loss, tachycardia, and goitre suggest hyperthyroidism (e.g., Graves'). Verapamil controls rate but not thyroid function. Radioactive iodine (131I) treats long-term, not immediately. Carbamazepine is for seizures, L-thyroxine worsens hyperthyroidism. Atenolol, a beta-blocker, immediately reduces tachycardia and symptoms by blocking adrenergic effects, suitable for acute management while awaiting antithyroid drugs (e.g., propylthiouracil). Its symptomatic relief is critical in hyperthyroid crises.