ATI LPN
Pharmacology for LPN
1. A client with chronic obstructive pulmonary disease (COPD) is prescribed a metered-dose inhaler (MDI) with a spacer. Which instruction should the nurse reinforce to ensure correct use?
- A. Inhale deeply and slowly after activating the MDI.
- B. Hold the breath for 5 seconds after inhaling the medication.
- C. Rinse the mouth immediately after using the MDI.
- D. Exhale fully before placing the mouthpiece in the mouth.
Correct answer: A
Rationale: Inhaling deeply and slowly after activating the MDI is the correct instruction to ensure effective delivery of the medication to the lungs. This technique helps the medication reach the lower airways where it can be most beneficial in managing COPD symptoms. Inhaling too quickly or not deeply enough may result in improper drug delivery and reduce the effectiveness of the treatment. Holding the breath for 5 seconds after inhaling the medication (Choice B) may not be necessary and could cause discomfort without additional benefits. Rinsing the mouth immediately after using the MDI (Choice C) is not necessary unless specified by the healthcare provider. Exhaling fully before placing the mouthpiece in the mouth (Choice D) is not ideal as it may result in inadequate medication delivery to the lungs.
2. A client has a new prescription for metformin. Which of the following instructions should the nurse include?
- A. Take the medication with food.
- B. Monitor for signs of hyperglycemia.
- C. Increase your fluid intake.
- D. Expect a sweet taste in your mouth.
Correct answer: C
Rationale: The correct instruction for a client starting metformin is to increase fluid intake. Metformin commonly causes gastrointestinal discomfort, and increasing fluid intake can help alleviate this side effect. Instructing the client to take the medication with food (Choice A) rather than on an empty stomach is recommended to reduce gastrointestinal side effects. Monitoring for signs of hyperglycemia (Choice B) is not directly related to metformin but rather to low blood sugar. Expecting a sweet taste in the mouth (Choice D) is not a common side effect of metformin.
3. The nurse is preparing to administer an intravenous dose of potassium chloride to a client with hypokalemia. The nurse should monitor for which potential complication?
- A. Hyperkalemia
- B. Hypokalemia
- C. Hypernatremia
- D. Hypercalcemia
Correct answer: A
Rationale: When administering potassium chloride to a client with hypokalemia, the nurse should monitor for hyperkalemia. Potassium chloride supplementation aims to increase potassium levels in individuals with hypokalemia. However, excessive administration can lead to hyperkalemia, which can be a serious and potentially life-threatening complication. Monitoring potassium levels is crucial to prevent this adverse outcome. Hypokalemia (Choice B) is the condition being treated, so it is not a complication of treatment. Hypernatremia (Choice C) refers to high sodium levels and is not directly related to the administration of potassium chloride. Hypercalcemia (Choice D) is an elevated calcium level and is not a common complication associated with potassium chloride administration in hypokalemia.
4. A client with atrial fibrillation is prescribed warfarin (Coumadin). Which instruction should the nurse give to the client regarding lifestyle changes?
- A. Avoid prolonged sitting or standing.
- B. Use an electric razor to prevent cuts.
- C. Take your medication with a full glass of water.
- D. Eat a diet low in protein.
Correct answer: B
Rationale: The correct answer is B. Using an electric razor is advised to prevent cuts, which is crucial for individuals taking warfarin due to the increased risk of bleeding associated with this medication. Lifestyle changes related to warfarin therapy focus on minimizing the risk of bleeding, and using safety measures such as an electric razor is a practical recommendation to reduce the likelihood of injury. Choices A, C, and D are incorrect. Avoiding prolonged sitting or standing is more related to preventing blood clots than to the bleeding risk of warfarin. Taking warfarin with a full glass of water is not a specific lifestyle change associated with its use. Eating a diet low in protein is not a typical recommendation for individuals on warfarin therapy.
5. The nurse is assisting with the care of a client diagnosed with heart failure. Which finding should the nurse report to the healthcare provider immediately?
- A. Weight gain of 2 pounds in 2 days
- B. Increased urination at night
- C. Mild shortness of breath on exertion
- D. Decreased appetite and fatigue
Correct answer: A
Rationale: A weight gain of 2 pounds in 2 days is concerning in a client with heart failure as it can indicate fluid retention and worsening of the condition. This finding requires immediate medical attention to prevent further complications. Increased urination at night (choice B) may be due to various reasons like diuretic use and is not an immediate concern. Mild shortness of breath on exertion (choice C) is expected in clients with heart failure and may not require immediate reporting. Decreased appetite and fatigue (choice D) are common symptoms in heart failure but are not as urgent as sudden weight gain.
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