HESI LPN
HESI Fundamentals Exam
1. A healthcare provider is assessing a client with a diagnosis of acute pancreatitis. Which laboratory value would be most concerning?
- A. Serum amylase of 200 U/L
- B. Serum lipase of 250 U/L
- C. Blood glucose of 200 mg/dL
- D. Serum calcium of 7.5 mg/dL
Correct answer: D
Rationale: In acute pancreatitis, hypocalcemia (low serum calcium) is a critical finding that is associated with a poor prognosis and requires immediate attention. Serum amylase and lipase are typically elevated in acute pancreatitis due to pancreatic inflammation, but they are not indicators of severity. Blood glucose levels may be elevated due to stress or underlying conditions but are not directly related to the severity of acute pancreatitis. Therefore, the most concerning value in this scenario is the low serum calcium level, which can have significant implications for the client's prognosis.
2. What immediate action should a healthcare worker take after being stuck in the hand by an exposed needle?
- A. Look up the policy on needle sticks
- B. Contact employee health services
- C. Immediately wash the hands thoroughly with soap and water
- D. Notify the supervisor and risk management
Correct answer: C
Rationale: The correct immediate action for a healthcare worker who has been stuck by an exposed needle is to wash the hands thoroughly with soap and water to reduce the risk of infection. This helps to remove any potential pathogens introduced by the needle stick. Looking up the policy on needle sticks (Choice A) is important but not the immediate action required. Contacting employee health services (Choice B) and notifying the supervisor and risk management (Choice D) are crucial steps to take, but they should follow the initial step of washing the hands to mitigate the risk of infection.
3. A 54-year-old male client and his wife were informed this morning that he has terminal cancer. Which nursing intervention is likely to be most appropriate?
- A. Ask the wife how she would like to participate in the client's care
- B. Provide the wife with information about hospice
- C. Encourage the wife to visit during the treatment process
- D. Refer her to a support group for family members of those with terminal cancer
Correct answer: A
Rationale: In this situation, it is crucial to involve the wife in the care of the client to provide support and empower her. Asking the wife how she would like to participate allows her to be actively involved in decision-making and caregiving. Providing information about hospice (choice B) might be premature as the couple may still be digesting the diagnosis. Encouraging the wife to visit during the treatment process (choice C) may not address her immediate need for involvement and support. Referring her to a support group for family members (choice D) is helpful but involving her directly in the client's care is a more immediate and personalized approach.
4. A healthcare professional is administering 1 L of 0.9% sodium chloride to a client who is postoperative and has fluid volume deficit. Which of the following changes should the healthcare professional identify as an indication that the treatment was successful?
- A. Decrease in heart rate
- B. Fluid volume deficit causes tachycardia
- C. Decrease in blood pressure
- D. Increase in respiratory rate
Correct answer: A
Rationale: A decrease in heart rate can indicate that the fluid volume deficit is improving. In cases of fluid volume deficit, the body compensates by increasing the heart rate to maintain adequate perfusion. Therefore, a decrease in heart rate after fluid resuscitation suggests that the body's perfusion status is improving. Choices B, C, and D are incorrect because fluid volume deficit typically causes tachycardia, not a decrease in heart rate, and would not result in a decrease in blood pressure or an increase in respiratory rate as primary signs of improvement.
5. When reviewing a client’s fluid and electrolyte status, what should the nurse report to the provider?
- A. Potassium 5.4
- B. Sodium 140
- C. Calcium 8.6
- D. Magnesium 2.0
Correct answer: A
Rationale: The correct answer is A: 'Potassium 5.4'. A potassium level of 5.4 is elevated (normal range is typically 3.5-5.0 mEq/L) and may indicate hyperkalemia, which can have serious cardiac implications. Elevated potassium levels can lead to life-threatening arrhythmias, so immediate reporting and intervention are necessary. Choice B, 'Sodium 140', falls within the normal range (135-145 mEq/L) and does not require immediate reporting. Choice C, 'Calcium 8.6', falls within the normal range (8.5-10.5 mg/dL) and is not an immediate concern. Choice D, 'Magnesium 2.0', is within the normal range (1.5-2.5 mEq/L) and does not need urgent reporting. Therefore, the nurse should prioritize reporting the elevated potassium level as it poses the most immediate risk.
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