Nursing Elites

1. A client with a prescription for a transcutaneous electrical nerve stimulator (TENS) unit for pain management asks how it works. What information should the nurse reinforce?

• A. The discharge of electricity will distract the client's focus from the pain
• B. An infusion of medication in the spinal canal will block pain perception
• C. Pain perception in the cerebral cortex is dulled by the unit's discharge of an electrical stimulus
• D. A mild electrical stimulus on the skin surface closes the gates of nerve conduction for severe pain

Correct answer: D

Rationale: The correct answer is D. TENS works by delivering a mild electrical stimulus that can block pain signals from reaching the brain, effectively reducing the perception of pain. Choice A is incorrect because TENS does not distract from pain but rather interferes with pain signals. Choice B is incorrect as TENS does not involve infusing medication into the spinal canal. Choice C is also incorrect because TENS does not target the cerebral cortex to dull pain perception but rather works at the level of nerve conduction.

2. Which of the following factors increases the risk of developing a pressure ulcer?

• A. High-protein diet
• B. Frequent repositioning
• C. Immobility
• D. Active range of motion exercises

Correct answer: C

Rationale: Immobility is a significant risk factor for pressure ulcers because it leads to prolonged pressure on specific areas of the body, reducing blood flow and leading to tissue breakdown. Choices A, B, and D are incorrect. A high-protein diet can actually aid in wound healing and tissue repair. Frequent repositioning helps relieve pressure on bony prominences, reducing the risk of pressure ulcers. Active range of motion exercises can improve circulation and prevent muscle atrophy, thereby reducing the risk of pressure ulcers.

3. What is the primary function of surfactant in the lungs?

• A. Reduce surface tension
• B. Enhance oxygen absorption
• C. Facilitate carbon dioxide release
• D. Increase lung volume

Correct answer: A

Rationale: The primary function of surfactant in the lungs is to reduce surface tension in the alveoli. This reduction in surface tension prevents lung collapse and allows for easier breathing. It is particularly crucial in premature infants to help with lung expansion. Choice B is incorrect because surfactant primarily affects surface tension, not oxygen absorption. Choice C is incorrect because surfactant's main role is not in facilitating carbon dioxide release. Choice D is incorrect because surfactant does not directly increase lung volume; its main role is in reducing surface tension.

4. A client is recovering from abdominal surgery and has a nasogastric (NG) tube in place. The nurse notes that the client is experiencing nausea despite the NG tube being patent. What is the nurse's best action?

• A. Increase the suction on the NG tube.
• B. Administer an antiemetic as prescribed.
• C. Irrigate the NG tube with saline.
• D. Reposition the client to the left side.

Correct answer: B

Rationale: Administering an antiemetic as prescribed is the best action for the nurse to take when a client with a patent NG tube is experiencing nausea. This intervention can help relieve nausea effectively. Increasing suction on the NG tube (Choice A) may not address the underlying cause of the nausea and could potentially lead to complications. Irrigating the NG tube with saline (Choice C) is not indicated for addressing nausea in this scenario. Repositioning the client to the left side (Choice D) is not the priority intervention for nausea in a client with a patent NG tube.

5. At the end of a 12-hour shift, the PN observes the urine in a client's drainage bag as seen in the picture. Which action should the PN take next?

• A. Offer to administer a prescribed PRN analgesic
• B. Obtain a finger stick capillary glucose level
• C. Determine if the client's bladder feels distended
• D. Note the most recent white blood cell count

Correct answer: D

Rationale: Noting the white blood cell count is the most appropriate action in this situation. Changes in urine appearance could indicate infection, and assessing the white blood cell count helps in evaluating the possibility of infection. This is crucial for understanding the client's overall condition. The other options are not directly related to assessing infection based on urine appearance. Offering analgesics, checking glucose levels, or determining bladder distention may not address the underlying issue of a potential infection.

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