HESI LPN
HESI Fundamentals Study Guide
1. The LPN/LVN mixes 50 mg of Nipride in 250 ml of D5W and plans to administer the solution at a rate of 5 mcg/kg/min to a client weighing 182 pounds. Using a drip factor of 60 gtt/ml, how many drops per minute should the client receive?
- A. 31 gtt/min.
- B. 62 gtt/min.
- C. 93 gtt/min.
- D. 124 gtt/min.
Correct answer: D
Rationale: To calculate the drops per minute for the client, first, convert the weight from pounds to kilograms by dividing 182 by 2.2, which equals 82.72 kg. Then, calculate the dose in mcg/min by multiplying the weight in kg by the rate (82.72 kg * 5 mcg/kg/min = 413.6 mcg/min). Next, convert 50 mg to mcg (50 mg * 1000 = 50,000 mcg). Divide the total mcg (50,000 mcg) by the dose per minute (413.6 mcg/min) to get approximately 121 gtt/min. However, since the drip factor is 60 gtt/ml, the correct answer is 124 gtt/min, ensuring the accurate administration rate of the medication. Therefore, choice 'D' is the correct answer. Choices 'A', 'B', and 'C' are incorrect as they do not accurately reflect the calculated drops per minute based on the given information.
2. When admitting a client with an abdominal wound, which precaution should be taken?
- A. Contact precautions
- B. Droplet precautions
- C. Airborne precautions
- D. Standard precautions
Correct answer: A
Rationale: When admitting a client with an abdominal wound, contact precautions should be implemented. Contact precautions are used to prevent the spread of infections that are spread by direct or indirect contact. In the case of abdominal wounds, bacteria and pathogens can easily be transmitted through contact with the wound or wound drainage. Droplet precautions are used for infections transmitted through respiratory droplets, such as influenza. Airborne precautions are used for infections spread through the air, like tuberculosis. Standard precautions are used for all clients to prevent the spread of infections and should be followed in addition to specific precautions based on the type of infection.
3. The nurse is preparing to administer a subcutaneous injection of enoxaparin (Lovenox). Which site is most appropriate for the LPN/LVN to use?
- A. Deltoid muscle
- B. Ventrogluteal site
- C. Abdomen
- D. Dorsogluteal site
Correct answer: C
Rationale: The abdomen is the most appropriate site for administering subcutaneous injections of enoxaparin (Lovenox). Enoxaparin is typically administered in the abdomen due to better absorption and reduced risk of injury to underlying structures. The deltoid muscle is not recommended for subcutaneous injections of enoxaparin due to the potential risk of injury to underlying structures. The ventrogluteal and dorsogluteal sites are more appropriate for intramuscular injections rather than subcutaneous injections.
4. A nurse is planning strategies to manage time effectively for client care. What should the nurse implement?
- A. Use the planning step of the nursing process to prioritize client care delivery.
- B. Delegate all tasks to assistive personnel.
- C. Focus on completing tasks in the order they are assigned.
- D. Avoid using a checklist for daily tasks.
Correct answer: A
Rationale: The correct answer is A. Using the planning step of the nursing process to prioritize client care delivery is crucial for effective time management. By prioritizing tasks based on client needs and acuity levels, the nurse can ensure that the most critical care is provided in a timely manner. Choice B is incorrect because while delegation is important, not all tasks can be delegated, and the nurse is ultimately responsible for the care provided. Choice C is incorrect as completing tasks in the order they are assigned may not align with the urgency of client needs. Choice D is incorrect as using a checklist can help the nurse stay organized and ensure that all necessary tasks are completed.
5. 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.
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