LPN LPN
LPN Fundamentals Practice Questions
1. A healthcare provider is caring for a client who has acute renal failure. Which of the following laboratory results should the healthcare provider expect?
- A. Decreased blood urea nitrogen (BUN)
- B. Decreased creatinine
- C. Increased potassium
- D. Increased calcium
Correct answer: C
Rationale: In acute renal failure, the kidneys are unable to excrete potassium efficiently, which can lead to hyperkalemia. As a result, an increased potassium level is a common finding in clients with acute renal failure. Hyperkalemia can have serious cardiac effects, making it essential for healthcare providers to monitor and manage potassium levels closely in clients with renal impairment. Choices A, B, and D are incorrect because in acute renal failure, blood urea nitrogen (BUN) and creatinine levels typically rise due to decreased renal function. Calcium levels are more likely to be decreased in acute renal failure due to impaired activation of vitamin D and subsequent decreased calcium absorption.
2. A client with hyperkalemia is being taught about dietary management. Which of the following statements by the client indicates an understanding of the teaching?
- A. I should increase my intake of potassium-rich foods.
- B. I should decrease my intake of potassium-rich foods.
- C. I should increase my intake of sodium-rich foods.
- D. I should decrease my intake of sodium-rich foods.
Correct answer: B
Rationale: Correct! Hyperkalemia is a condition characterized by high levels of potassium in the blood. To manage hyperkalemia, it is essential to decrease the intake of potassium-rich foods since excess potassium can worsen the condition. By understanding the need to decrease potassium-rich foods, the client shows comprehension of the dietary management required for hyperkalemia. Choice A is incorrect because increasing potassium-rich foods would exacerbate hyperkalemia. Choice C is incorrect since increasing sodium-rich foods is unrelated to managing hyperkalemia and could potentially lead to other health issues. Choice D is incorrect as decreasing sodium-rich foods is not the primary focus when managing hyperkalemia.
3. A healthcare professional is preparing to administer a cleansing enema to a client. Which of the following actions should the healthcare professional plan to take?
- A. Insert the rectal tube 15.2 cm (6 inches) into the client's rectum
- B. Wear clean gloves before inserting the tubing
- C. Position the client on their left side
- D. Hold the solution bag 91 cm (36 inches) above the client's rectum
Correct answer: C
Rationale: Positioning the client on their left side is crucial when administering an enema as it helps facilitate the flow of the solution into the sigmoid and descending colon. This position allows gravity to assist in the process. Placing the client on the left side is a standard practice to promote optimal outcomes during the procedure. Choices A, B, and D are incorrect. Choice A provides a specific measurement for the insertion depth of the rectal tube, which is not typically necessary to include in the plan of action. Choice B is essential but not specific to enema administration. Choice D mentions holding the solution bag without specifying the correct height, which should typically be around 18-24 inches above the rectum for a cleansing enema.
4. A client with diverticulitis is being taught about dietary management. Which of the following statements by the client indicates an understanding of the teaching?
- A. I should increase my intake of high-fiber foods.
- B. I should decrease my intake of high-fiber foods.
- C. I should increase my intake of high-fat foods.
- D. I should decrease my intake of high-fat foods.
Correct answer: A
Rationale: The correct answer is A. Increasing intake of high-fiber foods is essential in managing diverticulitis as it helps prevent constipation and promotes bowel regularity, reducing the risk of complications and improving overall colon health. Choice B is incorrect because decreasing high-fiber foods can worsen diverticulitis symptoms. Choices C and D are also incorrect as increasing high-fat foods can exacerbate diverticulitis, while decreasing high-fat foods is generally recommended to manage the condition.
5. When assisting a client with bilateral casts on her hands with feeding, what action should the nurse take?
- A. Sit at the bedside when feeding the client
- B. Provide pureed foods
- C. Ensure feedings are provided at room temperature
- D. Offer the client a drink of fluid after every bite
Correct answer: A
Rationale: When assisting a client with bilateral casts on her hands with feeding, the nurse should sit at the bedside. This action is crucial to provide the client with the nurse's full attention during the feeding process. Sitting at the bedside helps avoid appearing rushed and ensures a safe and comfortable environment for the client. Choices B, C, and D are incorrect because while they may be relevant in other situations, the priority when assisting a client with bilateral casts on her hands is to ensure proper attention and a comfortable setting during feeding.
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