HESI LPN
HESI Fundamentals Exam
1. A healthcare professional is caring for a group of clients. Which of the following measures should the professional take to prevent the spread of infection?
- A. Place a client with TB in a room with negative pressure airflow
- B. Use a disposable gown for contact precautions
- C. Place a client with MRSA in a private room
- D. Use a mask for clients with influenza
Correct answer: A
Rationale: Tuberculosis is an airborne infection, and placing a client with TB in a room with negative pressure airflow helps prevent the spread of the infection by containing the pathogens. This measure is crucial as it prevents the dissemination of TB droplet nuclei to other areas. Choice B, using a disposable gown for contact precautions, is important for preventing the transmission of infections spread by direct or indirect contact. Choice C, placing a client with MRSA in a private room, is essential to prevent the spread of MRSA through contact with others. Choice D, using a mask for clients with influenza, helps prevent the spread of influenza through respiratory droplets. However, negative pressure airflow is specifically required for airborne infections like TB, making it the most appropriate choice in this scenario.
2. A nurse educator is conducting a parenting class for new guardians of infants. Which of the following statements made by a participant indicated understanding?
- A. “I will set my water heater at 130°F.”
- B. “Once my baby can sit up, they should be safe in the bathtub.”
- C. “I will place my baby on their stomach to sleep.”
- D. “Once my infant starts to push up, I will remove the mobile from over the crib.”
Correct answer: D
Rationale: The correct answer is D. Removing the mobile when the baby starts to push up prevents choking hazards as infants can reach and grab objects posing a risk of choking. Choice A is unsafe as setting the water heater at 130°F can scald a child. Choice B is incorrect because even when a baby can sit up, they still require close supervision in the bathtub. Choice C is unsafe as current guidelines recommend placing babies on their backs to sleep to reduce the risk of sudden infant death syndrome (SIDS). Therefore, choices A, B, and C are incorrect or unsafe practices for infant care.
3. A client is being treated for diabetic ketoacidosis (DKA). Which laboratory value would be most concerning?
- A. Blood glucose of 350 mg/dL
- B. Serum bicarbonate of 18 mEq/L
- C. Arterial pH of 7.20
- D. Serum potassium of 5.5 mEq/L
Correct answer: C
Rationale: In a client with diabetic ketoacidosis (DKA), the most concerning laboratory value is an arterial pH of 7.20. An arterial pH of 7.20 indicates severe acidosis, which is a critical condition requiring immediate intervention. This pH level reflects a significant imbalance in the body's acid-base status, potentially leading to serious complications. High blood glucose levels (choice A) are expected in DKA but do not directly indicate the severity of acidosis. A serum bicarbonate level of 18 mEq/L (choice B) is low but not as immediately critical as a pH of 7.20. Serum potassium of 5.5 mEq/L (choice D) is elevated, which can occur in DKA due to insulin deficiency, but it is not the most concerning value in this scenario.
4. When explaining the fecal occult blood testing procedure to a client, which of the following information should be included?
- A. Eating more protein is not necessary before testing.
- B. Multiple stool specimens may be required for testing.
- C. A red color change indicates a positive test.
- D. The specimen must not be contaminated with urine.
Correct answer: D
Rationale: The correct answer is D. When performing fecal occult blood testing, it is crucial to inform the client that the specimen must not be contaminated with urine to prevent false results. Choices A and B are incorrect because eating more protein is not required before testing, and multiple stool specimens may be necessary for accurate results, respectively. Additionally, regarding choice C, a red color change, not blue, indicates a positive test result, making it an incorrect option.
5. A healthcare professional is preparing to administer an opioid medication to a client for pain management. Which of the following actions should the healthcare professional take?
- A. Administer the medication as prescribed without any additional monitoring.
- B. Monitor the client for respiratory depression.
- C. Administer the medication only when the client requests it.
- D. Ask another healthcare professional to verify the medication before administration.
Correct answer: B
Rationale: When administering opioid medications, it is crucial to monitor the client for respiratory depression, which is a potential side effect of opioids. Monitoring for respiratory depression is a critical safety measure to ensure the client's well-being during opioid therapy. Option A is incorrect because additional monitoring, especially for respiratory depression, is necessary when giving opioids to prevent adverse effects. Option C is incorrect as administering the medication only upon client request may compromise effective pain management and adherence to the prescribed regimen. Option D is incorrect as medication verification by another healthcare professional is essential for safety but not directly related to monitoring the client for respiratory depression after opioid administration.
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