NCLEX-PN
Safe and Effective Care Environment Nclex PN Questions
1. The LPN is checking for residual before administering enteral feeding through a PEG tube. Which of these steps is incorrect?
- A. The LPN elevates the head of the bed by at least 30 degrees.
- B. If the residual is greater than 200mL, the LPN should not administer the enteral feeding.
- C. The LPN should discard the residual before administering the tube feeding.
- D. The residual pH level is tested to ensure appropriate placement.
Correct answer: C
Rationale: The incorrect step is choice C. The residual should be discarded before administering the tube feeding. Discarding the residual is essential to prevent contamination and ensure accurate measurement of the enteral feeding. Elevating the head of the bed by at least 30 degrees (choice A) is correct as it helps prevent aspiration during feeding. Testing the pH level of the residual (choice D) ensures proper placement of the tube. Withholding feeding if the residual is greater than 200mL (choice B) is crucial to prevent overfeeding, making this statement correct.
2. A client is told that his test is positive, but in fact, the client does not have the disease tested for. Which type of false report is this an example of?
- A. positive
- B. false positive
- C. negative
- D. false negative
Correct answer: B
Rationale: The correct answer is 'false positive.' A false-positive result occurs when a test result is labeled positive in error, when the actual result is negative. In this scenario, the client received a positive test result incorrectly, as he does not have the disease being tested for. Choice A ('positive') is too vague and does not specify that the result was incorrect. Choice C ('negative') is the opposite of what happened in the scenario. Choice D ('false negative') refers to a situation where a test result is labeled negative incorrectly, which is not the case in this scenario.
3. When a physician removes a chest tube, which type of dressing is recommended to be placed over the site?
- A. transparent dressing
- B. colloidal dressing
- C. petrolatum gauze
- D. nonadherent dressing
Correct answer: C
Rationale: Petrolatum gauze is recommended to be placed over the site when a physician removes a chest tube because it forms an airtight seal, helping prevent air from entering the pleural space. This airtight seal is crucial to avoid complications such as a pneumothorax. Transparent dressing is not ideal for this purpose as it may not provide a sufficient seal due to its design. Colloidal dressing and nonadherent dressing are also not suitable for chest tube removal sites as they do not offer the same level of protection against air leakage and may not provide the necessary sealing properties.
4. When planning task assignments for five clients on the skilled nursing unit in a long-term care facility, which task should a licensed practical nurse (LPN) assign to another LPN?
- A. Bathing a client who is confused and requires assistance with a shower
- B. Administering regular insulin in accordance with a sliding-dosage scale every 4 hours to a client with diabetes mellitus
- C. Assisting a client requiring a bed bath and frequent ambulation with a cane
- D. Transporting a client who must be accompanied to physical therapy twice during the shift
Correct answer: B
Rationale: When assigning tasks, the nurse must consider the skills and educational level of the nursing staff. The nursing assistant may be assigned tasks like caring for a confused client, assisting with a shower or a bed bath, ambulating a client with a cane, and accompanying a client to physical therapy. The LPN is educated to administer medications like regular insulin in accordance with a sliding scale. This task requires a higher level of training and knowledge than the tasks that can be delegated to a nursing assistant. Administering insulin involves assessing blood glucose levels, calculating dosages, and understanding the effects of insulin therapy on the client's condition. Therefore, the correct answer is administering regular insulin to a client with diabetes mellitus. Choices A, C, and D involve tasks that are within the scope of practice of a nursing assistant, not an LPN.
5. How far should the enema tube be inserted for a client to have a flatus-reducing enema?
- A. 4 inches.
- B. 6 inches.
- C. 2 inches.
- D. 8 inches.
Correct answer: A
Rationale: The correct answer is to insert the enema tube 4 inches. Enema tubing must be passed beyond the internal sphincter, which is typically around 4 inches in an adult. Inserting the tube only 2 inches is not far enough to reach this point. On the other hand, inserting the tube 6 or 8 inches is too far and might cause trauma to the bowel, which is unnecessary for a flatus-reducing enema. Therefore, the correct insertion depth of the enema tube is crucial to ensure effectiveness and safety in providing the intended treatment.
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