HESI LPN
HESI Fundamental Practice Exam
1. A nurse in a surgical suite notes documentation on a client's medical record stating that he has a latex allergy. In preparation for the client's procedure, which of the following precautions should the nurse take?
- A. Ensure sterilization of non-disposable items with ethylene oxide
- B. Wrap monitoring cords with stockinette and secure them with non-latex tape
- C. Cleanse latex ports on IV tubing with chlorhexidine before administering medication
- D. Wear hypoallergenic latex gloves that are powder-free
Correct answer: B
Rationale: In this scenario, the nurse should take precautions to prevent latex exposure to the client due to his latex allergy. Wrapping monitoring cords with stockinette and securing them with non-latex tape helps to minimize the risk of latex contact with the client. Choice A is incorrect as sterilizing non-disposable items with ethylene oxide does not specifically address the avoidance of latex exposure. Choice C involves using latex ports on IV tubing, which can pose a risk of allergic reaction in a client with a latex allergy. Choice D suggests wearing latex gloves, even if hypoallergenic, which can still trigger a reaction in individuals with latex allergy. Therefore, the best option is to choose non-latex materials like stockinette and non-latex tape to prevent direct contact with latex.
2. A client has a prescription for a 24-hour urine collection. Which of the following actions should the nurse take?
- A. Discard the first voiding.
- B. Keep the urine in a single container on ice.
- C. Include the last voiding in the collection.
- D. Instruct the client to urinate into the toilet, stop midstream, and finish urinating into the specimen container.
Correct answer: A
Rationale: The correct action for the nurse to take when a client has a prescription for a 24-hour urine collection is to discard the first voiding. This initial voiding is typically not collected to allow for the accurate start of the 24-hour collection period. All subsequent urine voided within the specified time frame is then collected. Including the last voiding in the collection is important to ensure that the full 24-hour period is covered. It is essential to keep the urine cool by storing it in a single container on ice to prevent degradation of components. Instructing the client to stop midstream and finish urinating into the specimen container is not required for a 24-hour urine collection and is an unnecessary step.
3. A healthcare provider is caring for a client who has a heart murmur. The healthcare provider is preparing to auscultate the pulmonary valve. Over which of the following locations should the healthcare provider place the bell of the stethoscope?
- A. Second intercostal space at the left sternal border
- B. Fifth intercostal space at the midclavicular line
- C. Fourth intercostal space at the left sternal border
- D. Fifth intercostal space at the left anterior axillary line
Correct answer: A
Rationale: The correct location to auscultate the pulmonary valve is the second intercostal space at the left sternal border. This area is where the pulmonary valve can best be heard due to its anatomical position. Choice B, the fifth intercostal space at the midclavicular line, is the location for auscultating the mitral valve. Choice C, the fourth intercostal space at the left sternal border, is the area for the tricuspid valve. Choice D, the fifth intercostal space at the left anterior axillary line, is the site for listening to the mitral valve as well. Therefore, option A is the correct choice for auscultating the pulmonary valve.
4. During a neurologic examination, which assessment should a nurse perform to test a client's balance?
- A. Romberg test
- B. Heel-to-toe walk
- C. Snellen test
- D. Spinal accessory function
Correct answer: A
Rationale: The Romberg test is used to assess a client's balance by evaluating their ability to maintain a steady posture with eyes closed. The heel-to-toe walk is another assessment that tests balance by assessing gait and coordination. The Snellen test is used to assess visual acuity and is unrelated to balance. Testing spinal accessory function involves assessing the movement of the head and shoulders and is not directly related to balance assessment.
5. 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.
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