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.

While caring for a client with an AV fistula in the left forearm, the PN observed a palpable buzzing sensation over the fistula. What action should the PN take?

• A. Loosen the fistula dressing
• B. Report the presence of a bounding pulse
• C. Document that the fistula is intact
• D. Apply gentle pressure over the site

Correct Answer: C
Rationale: A palpable buzzing sensation, known as a thrill, over an AV fistula indicates proper functioning. The correct action for the PN is to document that the fistula is intact. Choice A is incorrect because there is no need to loosen the fistula dressing when the thrill is felt. Choice B is incorrect as a bounding pulse is not related to the observed buzzing sensation. Choice D is incorrect because applying pressure is unnecessary when a thrill is present, indicating proper AV fistula function.

An adult client is undergoing weekly external radiation treatments for breast cancer and reports increasing fatigue. What action should the nurse take?

• A. Notify the healthcare provider or charge nurse immediately
• B. Offer to reschedule the treatment for the following week
• C. Plan to monitor the client's vital signs every 30 minutes
• D. Reinforce the need for extra rest periods and plenty of sleep

Correct Answer: D
Rationale: The correct action for the nurse to take when a client undergoing radiation treatment for breast cancer reports increasing fatigue is to reinforce the need for extra rest periods and plenty of sleep. Fatigue is a common side effect of radiation therapy, and adequate rest and sleep can help manage this symptom. Notifying the healthcare provider or charge nurse immediately (choice A) is not necessary for increasing fatigue, as it is expected during radiation therapy. Offering to reschedule the treatment for the following week (choice B) is not the best initial action for managing fatigue. Planning to monitor the client's vital signs every 30 minutes (choice C) is unnecessary and not directly related to managing fatigue caused by radiation therapy.

A homeless male client with a history of alcohol abuse had a CVA 10 years ago that resulted in left hemiparesis. Today he is brought to the clinic reporting pain in his left leg. He is afebrile, has 4+ pitting edema in the lower left leg, and has minimal swelling of the right leg. Which action should the PN implement first?

• A. Obtain a blood alcohol test
• B. Inspect legs for infection or trauma
• C. Complete a mental status exam
• D. Inquire about dietary salt intake

Correct Answer: B
Rationale: Inspecting the legs for infection or trauma is the priority to assess the cause of the pain and edema, which could indicate deep vein thrombosis or cellulitis. Checking for signs of infection or trauma is crucial in this scenario to rule out potentially serious conditions. Obtaining a blood alcohol test, completing a mental status exam, or inquiring about dietary salt intake can be considered after addressing the immediate concern of identifying any infection or trauma in the leg.

Which of the following is NOT a second-line agent used for the treatment of Tuberculosis?

• A. Amikacin
• B. Moxifloxacin
• C. Rifabutin
• D. Cycloserine

Correct Answer: C
Rationale: The correct answer is C, Rifabutin. Rifabutin is actually a first-line drug used in the treatment of tuberculosis. Choices A, B, and D (Amikacin, Moxifloxacin, and Cycloserine) are considered second-line agents for tuberculosis treatment. These drugs are used when the first-line medications are either ineffective or cannot be tolerated by the patient.