ATI LPN
LPN Pharmacology Practice Questions
1. When assessing a client receiving total parenteral nutrition (TPN), which laboratory value is most important for the nurse to monitor regularly?
- A. Albumin
- B. Calcium
- C. Glucose
- D. Alkaline phosphatase
Correct answer: C
Rationale: The most important laboratory value to monitor regularly in clients receiving total parenteral nutrition (TPN) is glucose. TPN solutions contain high concentrations of glucose, which can lead to hyperglycemia. Monitoring glucose levels is crucial to detect and prevent hyperglycemia, a common complication associated with TPN administration. Albumin (Choice A) levels are not typically affected by TPN administration. Calcium (Choice B) and alkaline phosphatase (Choice D) are not directly impacted by TPN and are not the primary values to monitor in TPN therapy.
2. A client who has a new prescription for warfarin is being educated by a healthcare professional about monitoring for adverse effects. Which of the following statements by the client indicates an understanding of the teaching?
- A. 'I should use a soft toothbrush to brush my teeth.'
- B. 'I will double my dose if I miss one.'
- C. 'I should increase my intake of leafy green vegetables.'
- D. 'I will contact my doctor if I notice any unusual bleeding or bruising.'
Correct answer: D
Rationale: The correct answer is D: 'I will contact my doctor if I notice any unusual bleeding or bruising.' This statement indicates a good understanding of the teaching regarding warfarin. Warfarin is an anticoagulant medication that increases the risk of bleeding. Contacting the doctor if unusual bleeding or bruising is noticed is essential as it can help prevent serious complications. Choices A, B, and C are incorrect. Using a soft toothbrush is generally recommended for oral hygiene but is not directly related to monitoring for adverse effects of warfarin. Doubling the dose of warfarin if a dose is missed is dangerous and can increase the risk of bleeding. Increasing the intake of leafy green vegetables can interfere with warfarin's effectiveness as they contain vitamin K, which antagonizes warfarin's anticoagulant effects.
3. The healthcare provider is teaching a client about the use of nitroglycerin patches for angina pectoris. Which instruction should the healthcare provider include?
- A. Apply the patch to the same site each day
- B. Remove the patch at bedtime to prevent tolerance
- C. Cover the patch with a bandage to keep it in place
- D. Rotate the application site every 24 hours
Correct answer: D
Rationale: Rotating the application site every 24 hours is crucial when using nitroglycerin patches to prevent skin irritation and ensure consistent absorption of the medication. By rotating the site, the risk of local skin reactions is reduced, and the effectiveness of the nitroglycerin patch is maintained. Applying the patch to the same site each day (Choice A) can lead to skin irritation. Removing the patch at bedtime (Choice B) is not necessary as long as the prescribed wearing schedule is followed. Covering the patch with a bandage (Choice C) is not recommended as it may interfere with proper absorption.
4. A client with chronic stable angina is prescribed nitroglycerin (Nitrostat) for chest pain. The nurse should include which instruction when teaching the client about this medication?
- A. Take nitroglycerin at the first sign of chest pain.
- B. Swallow the tablet whole with water.
- C. Take nitroglycerin with meals to prevent stomach upset.
- D. Store nitroglycerin in a cool, dry place.
Correct answer: A
Rationale: The correct instruction when teaching a client about nitroglycerin (Nitrostat) is to take it at the first sign of chest pain. Nitroglycerin works rapidly to dilate blood vessels, improving blood flow to the heart muscle. Taking it promptly can help alleviate symptoms quickly and prevent the condition from worsening. Choice B is incorrect because nitroglycerin is usually taken sublingually (under the tongue) and not swallowed. Choice C is incorrect because nitroglycerin is not typically taken with meals. Choice D is incorrect because nitroglycerin should be stored in its original container away from heat and light.
5. A healthcare professional is preparing to administer ceftriaxone 1 g IM to a client who has a pelvic infection. Which of the following actions should the healthcare professional plan to take?
- A. Administer the medication via IM bolus over 5 minutes.
- B. Reconstitute with 0.9% sodium chloride.
- C. Discard the reconstituted medication if it is cloudy.
- D. Administer the medication in a large muscle.
Correct answer: D
Rationale: Administering ceftriaxone in a large muscle is crucial for proper absorption and to reduce the risk of pain or tissue irritation. Intramuscular administration of ceftriaxone helps achieve optimal therapeutic levels in the bloodstream for the treatment of the pelvic infection. Choices A, B, and C are incorrect. Choice A is not recommended as ceftriaxone should not be administered as a bolus over 5 minutes. Choice B is irrelevant because the question is about the administration route, not the reconstitution process. Choice C is also irrelevant as it does not pertain to the administration but to the quality of the reconstituted medication.
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