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 nurse is assessing a client who has a new prescription for albuterol. Which of the following findings should the nurse report to the provider?
- A. Dry mouth
- B. Tachycardia
- C. Weight gain
- D. Drowsiness
Correct answer: B
Rationale: The correct answer is B: Tachycardia. Albuterol is a bronchodilator medication commonly used to treat respiratory conditions such as asthma. Tachycardia, an increased heart rate, can be a potential side effect of albuterol, indicating excessive stimulation of the beta receptors. This side effect should be reported to the healthcare provider promptly to assess the need for further intervention or adjustment of the treatment plan. Choices A, C, and D are incorrect because dry mouth, weight gain, and drowsiness are not typically associated with albuterol use and are less likely to require immediate reporting compared to tachycardia.
3. A client with peptic ulcer disease is being taught about managing the disorder. Which of the following statements by the client indicates an understanding of the teaching?
- A. 'I should take NSAIDs for pain relief.'
- B. 'I should avoid drinking alcohol.'
- C. 'I should eat small, frequent meals.'
- D. 'I should drink milk to coat my stomach.'
Correct answer: B
Rationale: The correct answer is B. Avoiding alcohol is crucial in managing peptic ulcer disease as it helps prevent irritation and further damage to the stomach lining. Alcohol can worsen symptoms and hinder the healing process in individuals with this condition. Choice A is incorrect because NSAIDs can worsen peptic ulcers by irritating the stomach lining. Choice C is a correct dietary recommendation for managing peptic ulcer disease as it helps reduce stomach acid secretion and promotes healing. Choice D is incorrect as milk may temporarily soothe ulcer pain, but it can stimulate acid production and worsen symptoms in the long run.
4. The LPN/LVN is assisting in caring for a client in the telemetry unit and is monitoring the client for cardiac changes indicative of hypokalemia. Which occurrence noted on the cardiac monitor indicates the presence of hypokalemia?
- A. Tall, peaked T waves
- B. ST-segment depression
- C. Prolonged P-R interval
- D. Widening of the QRS complex
Correct answer: B
Rationale: ST-segment depression can indicate hypokalemia, affecting the heart's electrical conduction. Hypokalemia leads to alterations in the repolarization phase of the cardiac action potential, resulting in ST-segment depression on the ECG. Tall, peaked T waves are indicative of hyperkalemia, not hypokalemia. A prolonged P-R interval is more commonly associated with first-degree heart block. Widening of the QRS complex is typically seen in conditions like bundle branch blocks or ventricular tachycardia, not specifically in hypokalemia.
5. A client has a new prescription for sertraline. Which of the following instructions should the nurse include?
- A. Take the medication in the morning.
- B. Avoid consuming grapefruit juice.
- C. Take the medication with a full glass of water.
- D. Monitor for signs of weight gain.
Correct answer: B
Rationale: The correct instruction for the nurse to include is to 'Avoid consuming grapefruit juice.' Grapefruit juice can increase sertraline levels, leading to an elevated risk of side effects. Instructing the client to avoid grapefruit juice is crucial to prevent potential interactions that could impact the effectiveness and safety of the medication. The other options are not directly related to sertraline administration. Taking the medication in the morning may vary depending on individual preferences or the prescriber's directions. Taking the medication with a full glass of water is a general instruction for many medications and not specific to sertraline. Monitoring for signs of weight gain is important but not a direct instruction related to taking sertraline.
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