HESI LPN
Medical Surgical HESI 2023
1. A client who has a history of unstable angina is admitted to the emergency department with chest pain.
- A. Chest pain relieved by rest.
- B. Chest pain unrelieved after taking 3 sequential nitroglycerin tablets.
- C. Chest pain occurring only with exertion.
- D. Chest pain lasting less than 5 minutes.
Correct answer: B
Rationale: Chest pain unrelieved after taking 3 sequential nitroglycerin tablets indicates a possible myocardial infarction and requires immediate medical attention.
2. A client is receiving a secondary infusion of erythromycin 1 gram in 100 mL dextrose 5% in water (D5W) to be infused in 45 minutes. How many mL/hour should the nurse program the infusion pump?
- A. 100 mL/hour.
- B. 125 mL/hour.
- C. 133 mL/hour.
- D. 150 mL/hour.
Correct answer: C
Rationale: To infuse 100 mL in 45 minutes, the infusion rate should be set to 133 mL/hour (100 mL / 0.75 hours). This calculation is obtained by dividing the total volume to be infused by the total time for infusion (100 mL / 0.75 hours = 133 mL/hour). Therefore, choice C is the correct answer. Choices A, B, and D are incorrect because they do not accurately calculate the infusion rate required to deliver the medication within the specified time frame.
3. A male client with acquired immune deficiency syndrome (AIDS) and Pneumocystis carinii pneumonia has a CD4+ T cell count of 200 cells/microliter. The client asks the nurse why he keeps getting these massive infections. Which pathophysiologic mechanism should the nurse describe in response to the client's question?
- A. Bone marrow suppression of white blood cells causes insufficient cells to phagocytize organisms.
- B. Exposure to multiple environmental infectious agents overburdens the immune system until it fails.
- C. The humoral immune response lacks B cells that form antibodies and opportunistic infections result.
- D. Inadequate numbers of T lymphocytes are available to initiate cellular immunity and macrophages.
Correct answer: D
Rationale: With a CD4+ T cell count of 200 cells/microliter, the client's immune system is severely compromised, leading to opportunistic infections.
4. The nurse is preparing a client for surgery who was admitted to the emergency center following a motor vehicle collision. The client has an open fracture of the femur and is bleeding moderately from the bone protrusion site.
- A. Ensure the client is NPO and document the last meal.
- B. Administer pain medication as prescribed.
- C. Apply a sterile dressing to the wound site.
- D. Notify the healthcare provider of the client’s medication history.
Correct answer: D
Rationale: In this scenario, the priority action is to notify the healthcare provider of the client's medication history. This is important because understanding the client’s medication history, especially if they are taking anticoagulants or other medications that could affect bleeding and surgery, is crucial in ensuring safe management of the client's condition. Option A, ensuring the client is NPO and documenting the last meal, is important but not the priority in this situation. Administering pain medication (Option B) should only be done after ensuring the client's safety and stability. Applying a sterile dressing (Option C) is also important but not as critical as informing the healthcare provider of the medication history.
5. The nurse is teaching a client with glomerulonephritis about self-care. Which dietary recommendations should the nurse encourage the client to follow?
- A. Increase intake of high-fiber foods, such as bran cereal
- B. Restrict protein intake by limiting meats and other high-protein foods.
- C. Limit oral fluid intake to 500ml per day
- D. Increase intake of potassium-rich foods such as bananas and cantaloupe.
Correct answer: B
Rationale: The correct answer is B: Restrict protein intake by limiting meats and other high-protein foods. In glomerulonephritis, reducing protein intake helps to lower the workload on the kidneys, as excessive protein can lead to increased production of waste products that the kidneys must filter. This restriction can help prevent further damage to the kidneys. Choices A, C, and D are incorrect because: A) Increasing high-fiber foods like bran cereal is beneficial for other conditions but not specific to glomerulonephritis. C) Limiting oral fluid intake to 500ml per day is not appropriate as fluid restrictions are usually individualized based on the client's condition and kidney function. D) Increasing potassium-rich foods like bananas and cantaloupe may not be suitable for all clients with glomerulonephritis, as potassium levels can be affected in kidney disease and individual needs may vary.
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