ATI RN
ATI Pharmacology Proctored Questions
Question 1 of 5
Potassium-sparing diuretics primarily affect which part of the kidney?
Correct Answer: D
Rationale: Potassium-sparing diuretics exert their primary effects on the distal convoluted tubule in the kidney. By acting on this specific part of the nephron, these diuretics promote sodium excretion while sparing potassium, thus helping to maintain potassium levels in the body. This mechanism differs from other diuretics that may cause potassium loss as a side effect. Understanding the site of action of potassium-sparing diuretics is crucial in clinical practice for managing conditions like hypertension and edema where diuresis is necessary without the risk of hypokalemia.
Question 2 of 5
Which of the following is not a side effect of the ACE Inhibitor (Captopril)?
Correct Answer: D
Rationale: Congestion is not a common side effect associated with ACE inhibitors such as Captopril. ACE inhibitors are known to cause a dry, persistent cough due to bradykinin accumulation, rash, and angioedema, but congestion is not typically listed as a side effect.
Question 3 of 5
Which of the following is the primary site of activity for the drug Warfarin?
Correct Answer: B
Rationale: Warfarin primarily affects the liver where it inhibits the synthesis of clotting factors.
Question 4 of 5
Which of the following drugs is associated with the reaction of tendon dysfunction?
Correct Answer: D
Rationale: Fluoroquinolones are known to be associated with tendon dysfunction or rupture. These drugs can weaken the tendons, leading to potential issues such as tendonitis or even tendon rupture. It is essential for healthcare providers to be cautious when prescribing fluoroquinolones, especially in patients who may be at higher risk for tendon-related complications.
Question 5 of 5
Which of the following is not directly related to drug toxicity of Nitroglycerin?
Correct Answer: D
Rationale: Headaches, tachycardia, and dizziness are common side effects of nitroglycerin due to its vasodilatory properties. Projectile vomiting is not typically associated with nitroglycerin toxicity, making it the correct answer. Therefore, option D is the correct choice.
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