HESI RN
HESI Medical Surgical Practice Exam
1. Which of the following is a key symptom of myocardial infarction (MI)?
- A. Chest pain.
- B. Shortness of breath.
- C. Nausea.
- D. Fatigue.
Correct answer: A
Rationale: The correct answer is A: Chest pain. Chest pain is a hallmark symptom of myocardial infarction (MI) due to inadequate blood flow to the heart muscle. This pain can be severe, crushing, or squeezing, and may radiate to the left arm, jaw, or back. Shortness of breath (choice B), nausea (choice C), and fatigue (choice D) can accompany MI but are not as specific or characteristic as chest pain in diagnosing this condition. Therefore, chest pain is the primary symptom to recognize for suspected MI.
2. An adult who was recently diagnosed with glaucoma tells the nurse, 'it feels like I am driving through a tunnel.' The client expresses great concern about going blind. Which nursing instruction is most important for the nurse to provide this client?
- A. Maintain prescribed eye drop regimen
- B. Avoid frequent eye pressure measurements
- C. Wear prescription glasses
- D. Eat a diet high in carotene
Correct answer: A
Rationale: The correct answer is A: Maintain prescribed eye drop regimen. In glaucoma, maintaining the prescribed eye drop regimen is crucial for controlling intraocular pressure, which helps in preventing vision loss. Consistent use of eye drops as directed can slow down the progression of the disease and preserve vision. Choice B is incorrect because avoiding frequent eye pressure measurements does not address the primary treatment for glaucoma. Choice C is incorrect as wearing prescription glasses may be helpful for vision correction but does not directly address the management of glaucoma. Choice D is incorrect because while a diet high in carotene may promote overall eye health, it is not the most important instruction for managing glaucoma.
3. The nurse is preparing to administer intravenous gentamicin to an infant through an intermittent needle. The nurse notes that the infant has not had a wet diaper for several hours. The nurse will perform which action?
- A. Administer the medication and give the infant extra oral fluids.
- B. Contact the provider to request adding intravenous fluids when giving the medication.
- C. Give the medication and obtain a serum peak drug level 45 minutes after the dose.
- D. Hold the dose and contact the provider to request a serum trough drug level.
Correct answer: D
Rationale: In this scenario, the infant not having a wet diaper for several hours indicates a potential decrease in urine output, which can be a sign of nephrotoxicity related to gentamicin. The correct action for the nurse is to hold the dose and contact the provider to request a serum trough drug level. This is important to monitor the drug levels and ensure that they are not reaching toxic levels. Administering the medication without addressing the decreased urine output could potentially lead to further nephrotoxicity. Contacting the provider to add intravenous fluids or obtaining a serum peak drug level are not the most appropriate actions in this situation as the priority is to assess for potential nephrotoxicity and ensure patient safety.
4. Why is the combination drug trimethoprim-sulfamethoxazole (TMP-SMX) necessary?
- A. To broaden the antibacterial spectrum.
- B. To decrease bacterial resistance.
- C. To improve the taste.
- D. To minimize toxic effects.
Correct answer: B
Rationale: The correct answer is B: To decrease bacterial resistance. Trimethoprim-sulfamethoxazole (TMP-SMX) is a combination drug used to prevent bacterial resistance to sulfonamides. It works by targeting different steps in the bacterial metabolic pathway, making it harder for bacteria to develop resistance. Choice A is incorrect because the combination does not broaden the antibacterial spectrum; instead, it enhances effectiveness against specific bacteria. Choice C is incorrect as taste improvement is not the primary reason for combining these drugs. Choice D is incorrect because while combination therapy can sometimes help minimize toxic effects, the primary purpose in this case is to address bacterial resistance.
5. A client is scheduled for a barium swallow (esophagography) in 2 days. The nurse, providing preprocedure instructions, should tell the client to:
- A. Eat a regular supper and breakfast
- B. Remove all metal and jewelry before the test
- C. Expect diarrhea for a few days after the procedure
- D. Take all oral medications as scheduled with milk on the day of the test
Correct answer: B
Rationale: The correct answer is B: 'Remove all metal and jewelry before the test.' Before a barium swallow procedure, the client should fast for 8 to 12 hours to ensure the stomach and intestines are empty for optimal visualization. Removing all metal and jewelry is essential to prevent any interference with x-ray imaging. Choice A is incorrect because the client should fast, not eat supper and breakfast, before the test. Choice C is incorrect as diarrhea is not an expected outcome of a barium swallow. Choice D is incorrect as the client should not take any oral medications with milk on the day of the test to ensure accurate test results.
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