HESI LPN
HESI Fundamental Practice Exam
1. The healthcare provider is assessing a 17-month-old with acetaminophen poisoning. Which lab reports should the provider review first?
- A. Prothrombin time (PT) and partial thromboplastin time (PTT)
- B. Red blood cell and white blood cell counts
- C. Blood urea nitrogen and creatinine levels
- D. Liver enzymes (AST and ALT)
Correct answer: D
Rationale: In acetaminophen poisoning, liver damage is a significant concern due to the potential for hepatotoxicity. Therefore, the healthcare provider should first review liver enzymes such as AST (aspartate aminotransferase) and ALT (alanine aminotransferase) to assess liver function. Prothrombin time and partial thromboplastin time are coagulation studies and are not the priority in acetaminophen poisoning. Red blood cell and white blood cell counts are important in assessing for anemia or infection but are not specific to acetaminophen poisoning. Blood urea nitrogen and creatinine levels primarily assess kidney function, which is not the primary concern in acetaminophen poisoning.
2. A client with congestive heart failure (CHF) is receiving furosemide (Lasix). Which laboratory value should the LPN monitor closely while the client is taking this medication?
- A. Sodium
- B. Potassium
- C. Calcium
- D. Magnesium
Correct answer: B
Rationale: The LPN should monitor potassium levels closely while the client is taking furosemide (Lasix) due to the medication's potential to cause hypokalemia. Furosemide is a loop diuretic that can lead to potassium loss through increased urine output. Hypokalemia can result in serious complications such as cardiac dysrhythmias. Monitoring sodium levels (choice A) is important but not as critical as monitoring potassium in this context. Calcium (choice C) and magnesium (choice D) levels are not typically affected by furosemide and are not the priority for monitoring in this scenario.
3. The nurse is caring for a client with diabetes insipidus. Which finding should the LPN/LVN report to the healthcare provider?
- A. Weight gain
- B. Increased urine output
- C. Low blood pressure
- D. Thirst
Correct answer: B
Rationale: The correct answer is B: Increased urine output. In diabetes insipidus, there is a deficiency of antidiuretic hormone (ADH), leading to the excretion of large amounts of dilute urine. Reporting increased urine output is crucial as it is a hallmark sign of diabetes insipidus. Weight gain (choice A) is not typically associated with diabetes insipidus; instead, clients may experience weight loss due to fluid loss. Low blood pressure (choice C) can be a complication of diabetes insipidus due to dehydration from excessive urination, but the priority finding to report is the increased urine output. Thirst (choice D) is a common symptom of diabetes insipidus due to the body's attempt to compensate for fluid loss, but it is not the most critical finding to report.
4. While administering a cleansing enema, the client reports abdominal cramping. Which of the following actions should the nurse take?
- A. Have the client hold their breath briefly and bear down.
- B. Clamp the enema tubing.
- C. Remind the client that cramping is common at this time.
- D. Raise the level of the enema fluid container.
Correct answer: C
Rationale: When a client reports abdominal cramping during a cleansing enema, it is important for the nurse to reassure the client that cramping is a common side effect. This reassurance helps the client understand that the cramping is normal and may subside once the enema is completed. Instructing the client to hold their breath and bear down (Choice A) is not appropriate and may cause discomfort. Clamping the enema tubing (Choice B) is unnecessary and could lead to complications. Raising the level of the enema fluid container (Choice D) does not address the client's discomfort due to cramping. Therefore, the most suitable action is to provide reassurance to the client about the common occurrence of cramping during the enema.
5. A nurse is evaluating teaching about nutrition with the guardians of an 11-year-old child. Which of the following statements should indicate to the nurse an understanding of the teaching?
- A. “Our child wants to eat as much as we do, but we’re afraid it will lead to becoming overweight.”
- B. “Our child skips lunch sometimes, but we figure it’s okay as long as we eat a healthy breakfast and dinner.”
- C. “We limit fast-food restaurant meals to three times a week now.”
- D. “We reward school achievements with a point system instead of pizza or ice cream.”
Correct answer: D
Rationale: The correct answer is D. Rewarding school achievements with a point system rather than food items like pizza or ice cream is a healthier approach. This choice indicates an understanding of the teaching about nutrition and the importance of not using food as a reward. Choices A, B, and C do not demonstrate a clear understanding of the teaching as they focus on concerns about overeating, skipping meals, and limiting fast-food consumption but do not address the concept of avoiding food rewards for achievements.
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