ATI RN
Pharmacology ATI Quizlet Questions
Question 1 of 5
What is the classification of furosemide?
Correct Answer: A
Rationale: Furosemide belongs to the class of drugs known as loop diuretics. These diuretics act on the thick ascending loop of Henle in the kidney to inhibit sodium and chloride reabsorption, leading to increased urine production and subsequent fluid loss. Loop diuretics are commonly used to treat conditions such as heart failure, hypertension, and edema. Furosemide is a widely prescribed loop diuretic known for its potent diuretic effects.
Question 2 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.
Question 3 of 5
Your patient is on the medication Lithium for bipolar I disorder. What major side e昀昀ect should you monitor the patient for?
Correct Answer: C
Rationale: Lithium is a medication commonly used to treat bipolar disorder. One of the major side effects of lithium therapy is the risk of developing seizures, especially when the blood level of lithium becomes too high (lithium toxicity). Therefore, it is crucial to monitor patients on lithium therapy for signs of seizures, such as convulsions, loss of consciousness, or twitching. Monitoring lithium levels regularly and adjusting the dosage as needed can help reduce the risk of seizures in patients taking this medication.
Question 4 of 5
When reviewing the health history of a patient, the nurse will note that a potential contraindication to potassium supplements exists if the patient has which problem?
Correct Answer: C
Rationale: Potassium supplements are contraindicated in patients with renal disease because impaired kidney function can lead to the inability to adequately excrete potassium. This can result in potentially dangerous hyperkalemia (high potassium levels) in the bloodstream, which can cause serious cardiac dysrhythmias. Therefore, patients with renal disease should be cautious when taking potassium supplements or may need to avoid them altogether to prevent complications.
Question 5 of 5
An adult patient has been taking a drug (Drug A) that is highly metabolized by the cytochrome p-450 system. He has been on this medication for 6 months. At this time, he is started on a second medication (Drug B) that is an inducer of the cytochrome p-450 system. You should monitor this patient for:
Correct Answer: C
Rationale: Drug B, as an inducer of the cytochrome p-450 system, increases the metabolism of Drug A, leading to lower plasma concentrations and reduced therapeutic effects of Drug A. This interaction is a common concern in polypharmacy, where one drug affects the metabolism of another. Monitoring for decreased efficacy of Drug A is essential to ensure the patient receives adequate treatment. Increased adverse effects of Drug B or decreased effects of Drug B are less likely in this scenario.