ATI LPN
LPN Pharmacology
1. Before administering digoxin (Lanoxin) to a client diagnosed with heart failure, the nurse should perform which assessment?
- A. Check the blood pressure.
- B. Obtain an electrocardiogram (ECG).
- C. Assess the apical pulse.
- D. Review the latest electrolyte levels.
Correct answer: C
Rationale: Assessing the apical pulse is crucial before administering digoxin because the medication can lead to bradycardia. Monitoring the apical pulse helps determine the heart rate, and digoxin is typically withheld if the pulse is below 60 beats per minute. This assessment is essential to prevent potential adverse effects associated with digoxin administration. Checking the blood pressure (Choice A) is important but not specific to digoxin administration. Obtaining an electrocardiogram (ECG) (Choice B) may provide valuable information but is not the primary assessment needed before administering digoxin. Reviewing the latest electrolyte levels (Choice D) is important for assessing the overall condition but is not the immediate assessment required before administering digoxin.
2. A client is receiving intravenous heparin therapy for the treatment of deep vein thrombosis (DVT). Which laboratory test result should the LPN/LVN monitor to ensure the client is receiving a therapeutic dose?
- A. Prothrombin time (PT)
- B. Activated partial thromboplastin time (aPTT)
- C. International normalized ratio (INR)
- D. Platelet count
Correct answer: B
Rationale: The correct laboratory test result that the LPN/LVN should monitor to ensure the client is receiving a therapeutic dose of heparin therapy is the activated partial thromboplastin time (aPTT). The aPTT test is specifically used to monitor heparin therapy, ensuring that the dose administered is within the therapeutic range. Monitoring aPTT helps to prevent complications such as bleeding or clot formation by maintaining the appropriate anticoagulant effect of heparin. Prothrombin time (PT) and International normalized ratio (INR) are more commonly used to monitor warfarin therapy, not heparin. Platelet count is not a direct indicator of heparin's therapeutic effect and is not used to monitor heparin therapy.
3. The healthcare professional is assessing a client who presents with jaundice. Which assessment finding is most important for the healthcare professional to follow up on?
- A. Urine specific gravity of 1.03
- B. Frothy, tea-colored urine
- C. Clay-colored stools
- D. Elevated serum amylase and lipase levels
Correct answer: D
Rationale: Elevated serum amylase and lipase levels are indicative of pancreatitis, a serious condition that can manifest with jaundice. Timely follow-up is crucial to manage pancreatitis and its complications effectively in a jaundiced client. Choices A, B, and C are less critical in this scenario. Urine specific gravity within normal range, frothy tea-colored urine, and clay-colored stools can be associated with various conditions but are not directly indicative of pancreatitis, which is the most concerning condition associated with jaundice.
4. A client is being taught about the use of an albuterol inhaler. Which of the following instructions should be included?
- A. Use the inhaler every 4 hours around the clock.
- B. Shake the inhaler well before use.
- C. Rinse your mouth with water after each use.
- D. Use the inhaler while lying down.
Correct answer: B
Rationale: Shaking the inhaler well before use is a crucial step in ensuring proper medication delivery. This action helps disperse the medication evenly within the device, optimizing the effectiveness of each dose. It ensures that the client receives the intended amount of medication. The other options are incorrect: Option A suggests a fixed time interval for inhaler use, which may not be suitable for all clients and can lead to overuse. Option C, rinsing the mouth, is more relevant for corticosteroid inhalers to prevent oral thrush. Option D, using the inhaler while lying down, is not recommended as it may lead to improper drug delivery and is not the correct position for inhaler use.
5. A client with atrial fibrillation is receiving warfarin (Coumadin). The nurse should monitor which laboratory test to determine the effectiveness of the therapy?
- A. Prothrombin time (PT) and international normalized ratio (INR)
- B. Activated partial thromboplastin time (aPTT)
- C. Complete blood count (CBC)
- D. Fibrinogen level
Correct answer: A
Rationale: To monitor the effectiveness of warfarin therapy in a client with atrial fibrillation, the nurse should assess the Prothrombin time (PT) and international normalized ratio (INR) levels. These tests help determine the clotting ability of the blood and ensure that the client's anticoagulation levels are within the therapeutic range, reducing the risk of bleeding or clotting complications. Activated partial thromboplastin time (aPTT) (Choice B) is more commonly used to monitor heparin therapy. Complete blood count (CBC) (Choice C) provides information about the cellular components of blood but does not directly assess the effectiveness of warfarin therapy. Fibrinogen level (Choice D) is not typically used to monitor warfarin therapy; it reflects the level of fibrinogen in the blood, which is involved in the clotting process.
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