ATI LPN
LPN Pharmacology Practice Questions
1. The client with atrial fibrillation is receiving warfarin (Coumadin). Which laboratory test should be monitored 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: Monitoring Prothrombin time (PT) and international normalized ratio (INR) is crucial when a client is on warfarin therapy. These tests assess the clotting ability of the blood and help determine the appropriate dosage of warfarin to prevent complications such as bleeding or clotting events. PT and INR values within the therapeutic range indicate the effectiveness of warfarin in managing atrial fibrillation. Choice B, activated partial thromboplastin time (aPTT), is not typically used to monitor warfarin therapy; it is more commonly used to assess the effectiveness of heparin therapy. Choice C, complete blood count (CBC), does not directly assess the anticoagulant effect of warfarin. Choice D, fibrinogen level, is not a primary test for monitoring warfarin therapy; it is more relevant in assessing conditions like disseminated intravascular coagulation.
2. A client admitted with coronary artery disease (CAD) reports dyspnea at rest. What intervention should the nurse prioritize?
- A. Providing a walker to aid in ambulation
- B. Elevating the head of the bed to at least 45 degrees
- C. Performing continuous monitoring of oxygen saturation
- D. Placing an oxygen cannula at the bedside for use if needed
Correct answer: B
Rationale: In a client with coronary artery disease (CAD) experiencing dyspnea at rest, the priority intervention should be to elevate the head of the bed to at least 45 degrees. This position helps reduce the work of breathing, optimizes lung expansion, and can alleviate symptoms of dyspnea by improving oxygenation and ventilation. Providing a walker for ambulation, monitoring oxygen saturation, and having an oxygen cannula at the bedside are important interventions but not the priority when the client is experiencing dyspnea at rest. Elevating the head of the bed is crucial to improve respiratory function and should be prioritized in this situation.
3. The nurse is preparing a client for discharge after a myocardial infarction (MI). Which instruction is most important for the nurse to reinforce with the client?
- A. Avoid engaging in sexual activity for at least 6 weeks.
- B. Engage in moderate physical activity daily.
- C. Take prescribed medications even if you feel well.
- D. Return to work only when medically cleared.
Correct answer: C
Rationale: The most critical instruction for a client after a myocardial infarction is to continue taking prescribed medications even if they feel well. This is essential in preventing another myocardial infarction or other complications. Discontinuing medications prematurely can be detrimental to the client's recovery and may increase the risk of further cardiovascular events. Choices A, B, and D are incorrect because engaging in sexual activity, physical activity, or returning to work are important aspects of the client's recovery, but not as crucial as ensuring medication compliance to prevent further cardiac issues.
4. The client is scheduled to undergo a treadmill stress test. Which instruction should the client be reinforced with?
- A. Eat a light meal before the test.
- B. Wear comfortable shoes and clothing.
- C. Avoid all physical activity the morning of the test.
- D. Take prescribed medications right before the test.
Correct answer: B
Rationale: The correct answer is B: 'Wear comfortable shoes and clothing.' Wearing comfortable shoes and clothing is crucial for the client undergoing a treadmill stress test to ensure they can complete the test without discomfort. The right attire will help the client move freely and reduce the risk of any hindrance during the test, which requires physical activity. Choices A, C, and D are incorrect. A light meal before the test may be recommended, but it's not as crucial as wearing suitable attire. Avoiding physical activity the morning of the test is not necessary as the test requires physical activity. Taking prescribed medications right before the test instructions should be followed as per the healthcare provider's advice and not as a general rule for all clients undergoing the test.
5. The nurse is preparing to care for a client who will be arriving from the recovery room after an above-the-knee amputation. The nurse ensures that which priority item is available for emergency use?
- A. Surgical tourniquet
- B. Dry sterile dressings
- C. Incentive spirometer
- D. Over-the-bed trapeze
Correct answer: A
Rationale: In the case of an above-the-knee amputation, the priority item that should be available for emergency use is a surgical tourniquet. This is crucial to control severe bleeding that may occur post-operatively. Dry sterile dressings (choice B) are important for wound care but not for immediate post-operative emergencies like bleeding. An incentive spirometer (choice C) is used for respiratory exercises and not directly related to emergency management post-amputation. An over-the-bed trapeze (choice D) is used for assisting clients with mobility and positioning, not for emergency situations involving bleeding.
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