HESI LPN
Practice HESI Fundamentals Exam
1. A client who requires maximal support is being taught how to use a two-wheeled walker by a nurse. Which of the following actions by the client indicates an understanding of the teaching?
- A. The client moves the walker ahead 25.4 cm with each step
- B. The client picks up the walker with each step
- C. The client stands with elbows slightly bent while holding the walker
- D. The client stoops slightly forward when moving the walker
Correct answer: C
Rationale: The correct answer is C. When using a two-wheeled walker, the client should stand with elbows slightly bent to maintain balance and stability. This position helps distribute weight effectively and promotes proper use of the walker. Choices A, B, and D are incorrect. Choice A does not demonstrate proper posture while using the walker. Choice B of picking up the walker with each step is not the correct technique and can lead to instability. Choice D of stooping slightly forward is also incorrect as it can affect balance and posture negatively.
2. A nurse is calculating a client's fluid intake over the past 8 hr. Which of the following items should the nurse plan to document on the client's intake and output record as 120 mL of fluid?
- A. 2 cups of soup
- B. 1 quart of water
- C. 8 oz of ice chips
- D. 6 oz of tea
Correct answer: C
Rationale: The correct answer is C: 8 oz of ice chips. When calculating fluid intake, the nurse should document half of the volume of ice chips to account for the air in between the chips. Therefore, 8 oz of ice chips equals 120 mL of fluid. Choices A, B, and D are incorrect because they do not equate to 120 mL of fluid intake as per the given scenario. Choice A, 2 cups of soup, is more than 120 mL. Choice B, 1 quart of water, is significantly more than 120 mL. Choice D, 6 oz of tea, is less than 120 mL.
3. A client reports constipation, and a nurse is providing dietary teaching. Which of the following foods should the nurse recommend?
- A. Macaroni and cheese
- B. One medium apple with skin
- C. One cup of plain yogurt
- D. Roast chicken and white rice
Correct answer: B
Rationale: The correct answer is B: One medium apple with skin. Foods high in fiber, like apples with skin, are recommended to relieve constipation due to their fiber content, which aids in bowel regularity. Macaroni and cheese, yogurt, and roast chicken with white rice do not provide as much fiber and are less effective in alleviating constipation. While yogurt can sometimes contain probiotics that support gut health, it is not as effective in treating constipation as high-fiber foods like apples.
4. A client with type 2 diabetes mellitus is receiving metformin (Glucophage). Which laboratory test should the LPN/LVN monitor while the client is taking this medication?
- A. Complete blood count (CBC)
- B. Liver function tests
- C. Serum electrolytes
- D. Renal function tests
Correct answer: B
Rationale: The correct answer is B: Liver function tests. While a client is taking metformin, monitoring liver function tests is crucial to assess for potential hepatic side effects. Metformin is primarily eliminated by the liver, and monitoring liver function tests helps in early detection of any liver-related complications. Choices A, C, and D are incorrect. A complete blood count (CBC) is not specifically required for monitoring metformin therapy. Serum electrolytes are not directly impacted by metformin, making it less relevant for monitoring this medication. Renal function tests are important for some other diabetes medications, but in the case of metformin, liver function tests take precedence due to its hepatic metabolism.
5. A client is to have mafenide (Sulfamylon) cream applied to burned areas. For which serious side effect of mafenide therapy should the LPN/LVN monitor this client?
- A. Curling ulcer
- B. Renal shutdown
- C. Metabolic acidosis
- D. Hemolysis of red blood cells
Correct answer: C
Rationale: Corrected Rationale: Metabolic acidosis is a serious side effect of mafenide therapy that should be closely monitored. Mafenide can lead to metabolic acidosis due to its inhibition of carbonic anhydrase, resulting in the accumulation of carbonic acid. Curling ulcer (Choice A) is a stress-related mucosal lesion that occurs in the duodenum, primarily due to severe burns, not directly related to mafenide therapy. Renal shutdown (Choice B) is not a common side effect of mafenide therapy. Hemolysis of red blood cells (Choice D) is not a recognized side effect of mafenide cream application.
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