ATI RN
ATI Pharmacology Proctored Exam 2023
1. A client has a new prescription for Prednisone. Which of the following laboratory values should the nurse monitor?
- A. Serum potassium
- B. Serum calcium
- C. Serum sodium
- D. Serum glucose
Correct answer: D
Rationale: The correct answer is D, Serum glucose. Prednisone is a corticosteroid that can lead to hyperglycemia. Monitoring serum glucose levels is essential to assess for elevated blood sugar levels. Choices A, B, and C are incorrect as Prednisone does not directly affect potassium, calcium, or sodium levels.
2. When starting a new prescription for prednisone, which instruction should the nurse include for the client?
- A. Increase your intake of potassium-rich foods.
- B. Do not stop taking this medication abruptly.
- C. Avoid grapefruit juice while taking this medication.
- D. Take the medication at bedtime to prevent drowsiness.
Correct answer: B
Rationale: The correct instruction for a client starting a new prescription for prednisone is not to stop taking the medication abruptly. Abrupt discontinuation of prednisone can lead to adrenal insufficiency, emphasizing the importance of gradual tapering under healthcare provider guidance. Increasing potassium-rich foods may be necessary based on individual needs, but it is not the priority instruction in this context. Grapefruit juice interaction is more commonly associated with certain medications but not specifically with prednisone. Taking prednisone at bedtime to prevent drowsiness is not a key instruction related to its administration.
3. A healthcare professional is reviewing the medication list of a client who has a new prescription for Digoxin to treat heart failure. Which of the following medications places the client at risk for Digoxin toxicity?
- A. Spironolactone
- B. Calcium channel blockers
- C. Loop diuretics
- D. ACE inhibitors
Correct answer: C
Rationale: Loop diuretics, such as Furosemide, can increase the risk of Digoxin toxicity by causing hypokalemia. Hypokalemia enhances the toxic effects of Digoxin on the heart, leading to an increased risk of Digoxin toxicity. Spironolactone (Choice A) is less likely to cause hypokalemia and does not significantly increase the risk of Digoxin toxicity. Calcium channel blockers (Choice B) and ACE inhibitors (Choice D) do not directly increase the risk of Digoxin toxicity through hypokalemia; therefore, they are not the medications that place the client at risk for Digoxin toxicity.
4. A client has a new prescription for levothyroxine. Which of the following instructions should the nurse include?
- A. Take this medication at bedtime.
- B. Take this medication with food.
- C. Take this medication on an empty stomach in the morning.
- D. Take this medication with an antacid.
Correct answer: C
Rationale: Levothyroxine should be taken on an empty stomach in the morning to enhance its absorption. This timing allows for optimal absorption and effectiveness of the medication. Taking it with food, at bedtime, or with an antacid may interfere with its absorption and reduce its efficacy.
5. A client is prescribed gentamicin for an infection. Which finding indicates a potential adverse reaction to the medication?
- A. Blood pressure 160/90 mm Hg
- B. Presence of red blood cells in the urine
- C. Urine output of 35 mL/hr
- D. Respiratory rate of 22/min
Correct answer: B
Rationale: The presence of red blood cells in the urine is a significant finding that can indicate nephrotoxicity, a potential adverse effect of gentamicin. Nephrotoxicity can lead to kidney damage, and monitoring for this adverse reaction is crucial during gentamicin therapy. Elevated blood pressure (Choice A) is not typically associated with gentamicin adverse reactions. Decreased urine output (Choice C) may suggest kidney impairment but is not as specific as the presence of red blood cells in the urine. Respiratory rate (Choice D) is not directly related to potential adverse reactions to gentamicin.
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