ATI LPN
LPN Pharmacology Practice Test
1. A healthcare provider is providing discharge instructions to a client who has a new prescription for warfarin. Which of the following statements should the healthcare provider include?
- A. Avoid using a soft toothbrush.
- B. Report any signs of bleeding.
- C. Increase your intake of leafy green vegetables.
- D. Take the medication with food.
Correct answer: B
Rationale: The correct answer is to instruct the client to report any signs of bleeding when taking warfarin. Warfarin is an anticoagulant medication that increases the risk of bleeding, so it is essential to monitor for any signs of abnormal bleeding and report them promptly for appropriate management. Choices A, C, and D are incorrect. Instructing the client to avoid using a soft toothbrush is not directly related to warfarin therapy. Increasing the intake of leafy green vegetables is not recommended as they contain vitamin K, which can interfere with warfarin's anticoagulant effects. Taking warfarin with food can be inconsistent and may not result in optimal absorption.
2. A healthcare provider is assisting in the care of a client who is having central venous pressure (CVP) measurements taken. The healthcare provider should assist by placing the bed in which position for the reading?
- A. Flat
- B. Semi-Fowler's
- C. Trendelenburg
- D. Reverse Trendelenburg
Correct answer: A
Rationale: Central venous pressure (CVP) measurements are most accurate when the client is lying flat, as this allows for a consistent baseline. Placing the bed flat ensures that the hydrostatic pressure within the vena cava is not affected by the client's position, providing a more precise reading. Choice B (Semi-Fowler's) elevates the head of the bed at a 30-45 degree angle, which could affect the accuracy of CVP readings. Choices C (Trendelenburg) and D (Reverse Trendelenburg) involve extreme positions that would not be suitable for obtaining accurate CVP measurements.
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 with a history of myocardial infarction (MI) is being discharged with a prescription for nitroglycerin sublingual tablets. Which instruction should the nurse reinforce?
- A. Store the tablets in a cool, dry place away from light.
- B. Take a tablet every 5 minutes if chest pain occurs.
- C. Place the tablets under the tongue for sublingual absorption.
- D. Take the tablets without water for faster effect.
Correct answer: A
Rationale: The correct answer is A. Nitroglycerin tablets are light and moisture-sensitive, so they should be stored in a cool, dry place away from light to maintain their effectiveness. Option B advises taking a tablet every 5 minutes, which may lead to overdose as this frequency is too high. Option C emphasizes the correct administration route for sublingual tablets. Option D is incorrect as water is not needed for the tablets to take effect.
5. A client is admitted to the hospital with a diagnosis of myocardial infarction (MI). Which diagnostic test is most likely to be ordered to confirm this diagnosis?
- A. Echocardiogram
- B. Electrocardiogram (ECG)
- C. Chest X-ray
- D. Complete blood count (CBC)
Correct answer: B
Rationale: An Electrocardiogram (ECG) is the primary diagnostic tool used to confirm a myocardial infarction. An ECG provides immediate information on cardiac function and can show characteristic changes indicative of a myocardial infarction, such as ST-segment elevation or depression. An echocardiogram (Choice A) is useful for assessing heart structure and function but is not typically used as the primary test for confirming an acute myocardial infarction. Chest X-ray (Choice C) may show certain changes in heart size or pulmonary congestion but is not the primary diagnostic test for MI. A Complete Blood Count (CBC) (Choice D) provides information about the cellular components of blood and is not specific to confirming a myocardial infarction.
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