ATI RN
Pharmacology Practice Exam A ATI Questions
Question 1 of 5
The following is suitable for treatment of acute dystonia as a result of metoclopramide treatment:
Correct Answer: A
Rationale: Metoclopramide, a D2 antagonist, causes acute dystonia (e.g., oculogyric crisis). Procyclidine, an anticholinergic, rapidly reverses this IV, relaxing muscles, a suitable treatment. Benzhexol (trihexyphenidyl) works orally but is slower. Levodopa and bromocriptine, dopamine agonists, treat Parkinson's, not dystonia from dopamine blockade. Risperidone worsens it. IV procyclidine's speed is critical in acute settings, restoring normal movement effectively.
Question 2 of 5
The nurse is aware that efficient absorption of calcium is assisted by
Correct Answer: D
Rationale: Calcium absorption in the small intestine relies heavily on vitamin D, which enhances the process by increasing the expression of calcium-binding proteins and improving gut uptake efficiency. Without adequate vitamin D, calcium absorption drops significantly, leading to potential bone health issues like osteoporosis or osteomalacia. Intrinsic factor, produced in the stomach, is critical for vitamin B12 absorption, not calcium, as it binds B12 for uptake in the ileum. Coenzymes, while involved in metabolic reactions, don't directly facilitate calcium absorption; their role is broader and unrelated to this specific process. Phosphorus, an abundant mineral, works with calcium in bone formation but doesn't enhance its absorption-in fact, excessive phosphorus can compete with calcium. Vitamin D's active form, calcitriol, regulates calcium levels by promoting its transport across intestinal cells, making it indispensable for maintaining skeletal integrity. This mechanism underscores why vitamin D deficiency impairs calcium utilization, distinguishing it from the other options, which lack a direct link to absorption efficiency.
Question 3 of 5
Which statement is accurate regarding medications that end up being secreted in bile?
Correct Answer: B
Rationale: Biliary secretion (e.g., rifampin) leads to fecal excretion for some drugs, while others recycle enterohepatically, prolonging action. Not all are fecal-bound-recirculation varies. Gallbladder stores bile, not metabolizes. Many drugs use bile, not rare. Recirculation reflects pharmacokinetics, affecting duration.
Question 4 of 5
The nurse has completed medication education for the anxious patient who is receiving buspirone (BuSpar). The nurse determines that the patient needs additional instruction when the patient makes which statement?
Correct Answer: B
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.
Question 5 of 5
Which sign is common with hypocalcemia?
Correct Answer: D
Rationale: Failed to generate a rationale of 500+ characters after 5 retries.