HESI LPN
HESI Fundamentals Exam
1. How should the nurse transcribe the dosage of this medication on the client's medical record?
- A. 0.3 mg
- B. 0.3 mg
- C. 0.30 mg
- D. 3/10 mg
Correct answer: B
Rationale: The correct way to transcribe the dosage of three tenths of a milligram of levothyroxine IV STAT is 0.3 mg. When expressing decimals less than 1, there should be a leading zero before the decimal point. Choice A is incorrect (.3 mg) because it lacks the leading zero. Choice C (0.30 mg) is incorrect as it includes a trailing zero after the decimal point, which is unnecessary. Choice D (3/10 mg) is incorrect as it presents the dosage as a fraction, which is not the standard format for transcribing medication dosages. Therefore, B (0.3 mg) is the most appropriate and accurate way to document this prescription on the client's medical record.
2. Which serum blood finding in diabetic ketoacidosis alerts the nurse that immediate action is required?
- A. pH below 7.3
- B. Potassium of 5.0
- C. HCT of 60
- D. PaO2 of 79%
Correct answer: C
Rationale: A hematocrit (HCT) of 60 indicates severe dehydration, a critical condition in diabetic ketoacidosis that requires immediate intervention. Severe dehydration can lead to hypovolemic shock and organ failure. While a low pH below 7.3 is indicative of acidosis, it may not require immediate action compared to severe dehydration. A potassium level of 5.0 is within the normal range and not a critical finding in this scenario. PaO2 of 79% reflects oxygenation status, which is important but not the most critical finding requiring immediate action in diabetic ketoacidosis.
3. A client with chronic kidney disease is receiving epoetin alfa (Epogen). Which laboratory value should the LPN/LVN monitor to determine the effectiveness of this medication?
- A. Serum potassium
- B. Hemoglobin
- C. Serum creatinine
- D. Blood urea nitrogen (BUN)
Correct answer: B
Rationale: The correct answer is B: Hemoglobin. Monitoring hemoglobin levels is essential to assess the effectiveness of epoetin alfa in clients with chronic kidney disease. Epoetin alfa is a medication that stimulates red blood cell production, aiming to increase hemoglobin levels and improve symptoms of anemia in these patients. Monitoring serum potassium (Choice A) is important in clients with kidney disease, but it is more related to assessing electrolyte balance rather than the direct effectiveness of epoetin alfa. Serum creatinine (Choice C) and blood urea nitrogen (Choice D) are kidney function tests that help evaluate kidney health but do not specifically reflect the effectiveness of epoetin alfa therapy.
4. Before administering the prescribed morphine sulfate to a client post-op following laparotomy who reports pain and dry mouth, what should the nurse do first?
- A. Measure the client's vital signs.
- B. Assess the client's pain level.
- C. Verify the morphine order with another nurse.
- D. Check the client's last dose of morphine.
Correct answer: A
Rationale: Before administering morphine sulfate, it is crucial to measure the client's vital signs to ensure that the client is stable and safe to receive the medication. This step helps identify any contraindications or abnormalities that could affect the administration of morphine. Assessing the client's pain level (choice B) is important, but ensuring the client's physiological stability takes precedence. Verifying the morphine order with another nurse (choice C) and checking the client's last dose of morphine (choice D) are important steps but are not the priority before administering the medication.
5. A nurse on a medical-surgical unit is receiving a change-of-shift report for four clients. Which of the following clients should the nurse see first?
- A. A client who has new onset of dyspnea 24 hours after a total hip arthroplasty
- B. A client who has acute abdominal pain rated 4 on a scale from 0 to 10
- C. A client who has a UTI and low-grade fever
- D. A client who has pneumonia and an oxygen saturation of 96%
Correct answer: A
Rationale: The nurse should see the client who has new onset of dyspnea 24 hours after a total hip arthroplasty first. New onset of dyspnea, especially after surgery, can indicate a serious complication such as a pulmonary embolism or deep vein thrombosis. It is essential to assess this client promptly to rule out potentially life-threatening conditions. Acute abdominal pain, a UTI with low-grade fever, and pneumonia with an oxygen saturation of 96% are important issues but do not indicate the urgency and potential severity of a post-operative complication like pulmonary embolism or deep vein thrombosis.
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