Nokea
Which statement reflects the most widely recognized theory for the use of transcutaneous electric nerve stimulation (TENS)?
- A. The sensation created by the TENS unit blocks the brain's perception of pain impulses.
- B. The sensation created by the TENS unit travels to the nerve root of the injury.
- C. The sensation created by the TENS unit destroys the brain's pain center.
- D. The sensation created by the TENS unit weakens nociceptor sensory nerves.
Correct Answer: A
Rationale: The gate control theory posits that TENS blocks pain impulses by stimulating non-pain sensory nerves, reducing the brain's perception of pain from the injured area.
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The client is now over an acute episode of gout. He is to be discharged on allopurinol (Zyloprim). What instruction must the nurse give to this client?
- A. Take your medicine on an empty stomach.'
- B. Report any nausea to your physician at once.'
- C. Drink two to three quarts of fluids daily.'
- D. Do not take over-the-counter cold medicine.'
Correct Answer: C
Rationale: Drinking 2-3 quarts of fluids daily prevents uric acid stone formation, a key instruction for clients on allopurinol.
The client is about to go to surgery but is still wearing a class ring. Which nursing action is most appropriate regarding care of the client's valuables?
- A. Put the ring in the bedside stand.
- B. Tape the ring to the client's finger.
- C. Give the ring to a security guard.
- D. Take the ring to the hospital safe.
Correct Answer: D
Rationale: Valuables like a ring should be secured in the hospital safe to prevent loss or theft during surgery. Leaving it in the bedside stand is insecure, taping it risks circulation issues, and giving it to a security guard is not standard protocol.
The client is scheduled for a computed tomography (CT) scan. Which question is most important for the nurse to ask before the procedure?
- A. On a scale of 1 to 10, how do you rate your pain?'
- B. Do you feel uncomfortable in enclosed spaces?'
- C. Are you allergic to seafood or iodine?'
- D. Have you signed a permit for this procedure?'
Correct Answer: C
Rationale: Iodine/seafood allergies are critical to assess before CT with contrast to prevent anaphylaxis. Claustrophobia, pain, and consent are secondary.
Which description by the nurse most accurately states the purpose of halo-cervical traction?
- A. It restricts neck movement but enables physical activity.
- B. It allows head movement while immobilizing the spine.
- C. It accelerates healing by facilitating physical therapy.
- D. It promotes faster bone repair within a shorter time span.
Correct Answer: A
Rationale: Halo-cervical traction immobilizes the cervical spine to promote healing while allowing some physical activity (e.g., walking), unlike other options that inaccurately describe its function.
The client is ordered to be in a semi-reclining position following a myelogram. The nurse understands that the primary reason for this is which of the following?
- A. To prevent infection
- B. To prevent spinal headache
- C. To prevent seizures
- D. To promote excretion of dye
Correct Answer: B
Rationale: A semi-reclining position post-myelogram prevents spinal headache by reducing cerebrospinal fluid leakage.