HESI LPN
HESI Fundamentals 2023 Quizlet
1. When should the nurse plan to collect a sputum specimen for culture and sensitivity as ordered by a client's provider?
- A. In the morning upon rising.
- B. Immediately after the client eats breakfast.
- C. Before the client goes to bed.
- D. After the client has had a drink of water.
Correct answer: A
Rationale: The correct time to collect a sputum specimen for culture and sensitivity is in the morning upon rising. This timing ensures the most concentrated sample as sputum produced overnight tends to accumulate and sit in the airways, providing a quality sample for testing. Collecting the specimen immediately after eating breakfast (choice B) may introduce food particles that could contaminate the sample. Collecting it before bed (choice C) may lead to a diluted sample due to daily activities. Collecting the specimen after having a drink of water (choice D) can also result in a diluted sample, impacting the accuracy of the test results.
2. A nurse is reviewing evidence-based practice principles about the administration of oxygen therapy with a newly licensed nurse. Which of the following actions should the nurse include?
- A. Regulate oxygen via nasal cannula at a flow rate no more than 6 L/min
- B. Administer oxygen at a higher flow rate for better saturation
- C. Use a high-flow nasal cannula for all clients
- D. Adjust oxygen flow based on client comfort
Correct answer: A
Rationale: The correct answer is A. Regulating oxygen flow at no more than 6 L/min via nasal cannula is a safe practice to prevent potential complications such as oxygen toxicity. Option B suggesting administering oxygen at a higher flow rate for better saturation is incorrect as it can lead to adverse effects. Option C is incorrect because using a high-flow nasal cannula for all clients is not necessary and should be based on individual client needs. Option D is incorrect as adjusting oxygen flow solely based on client comfort without considering the prescribed flow rate can compromise the effectiveness of oxygen therapy.
3. The nurse is working on an orthopedic rehabilitation unit that requires lifting and positioning of patients. Which personal injury will the nurse most likely try to prevent?
- A. Arm
- B. Hip
- C. Back
- D. Ankle
Correct answer: C
Rationale: The correct answer is C: Back. Back injuries are common among healthcare workers, especially nurses, due to improper lifting techniques and bending. Working on an orthopedic rehabilitation unit involves frequent lifting and positioning of patients, putting the nurse at risk of back injuries. Preventing back injuries is crucial for maintaining the nurse's health and ability to provide care effectively. Choices A, B, and D are incorrect because while lifting and positioning patients may involve these body parts, back injuries are most likely to occur due to the strain and stress placed on the back during such activities.
4. A healthcare professional is administering 1 L of 0.9% sodium chloride to a client who is postoperative and has fluid volume deficit. Which of the following changes should the healthcare professional identify as an indication that the treatment was successful?
- A. Decrease in heart rate
- B. Fluid volume deficit causes tachycardia
- C. Decrease in blood pressure
- D. Increase in respiratory rate
Correct answer: A
Rationale: A decrease in heart rate can indicate that the fluid volume deficit is improving. In cases of fluid volume deficit, the body compensates by increasing the heart rate to maintain adequate perfusion. Therefore, a decrease in heart rate after fluid resuscitation suggests that the body's perfusion status is improving. Choices B, C, and D are incorrect because fluid volume deficit typically causes tachycardia, not a decrease in heart rate, and would not result in a decrease in blood pressure or an increase in respiratory rate as primary signs of improvement.
5. A nurse prepares an injection of morphine to administer to a client who reports pain but asks a second nurse to give the injection because another assigned client needs to use a bedpan. Which of the following actions should the second nurse take?
- A. Offer to assist the client who needs the bedpan.
- B. Administer the injection the other nurse prepared.
- C. Prepare another syringe and administer the injection.
- D. Tell the client who needs the bedpan to wait while the nurse gives someone else medication.
Correct answer: C
Rationale: The second nurse should prepare a new syringe and administer the medication to ensure proper and timely pain management. Administering another nurse's medication without preparation could lead to errors. Choice A is not the priority as the medication administration should take precedence. Choice B is not recommended as the second nurse should not administer medication prepared by another nurse. Choice D is inappropriate as patient needs should not be compromised for medication administration to another client.
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