A nurse is teaching a client about the use of a transcutaneous electrical nerve stimulation (TENS) unit. Which of the following statements should the nurse include in the teaching?
"This device delivers heat via electrodes that are attached to the affected area."
"Adjust the dial until you feel a pins-and-needles sensation."
"You can apply the electrodes directly over sensitive areas of skin."
"This device requires access to a 220-volt outlet."
The Correct Answer is B
A. "This device delivers heat via electrodes that are attached to the affected area.": A TENS unit does not use heat for pain relief. It works by delivering low-voltage electrical impulses to the skin, stimulating nerve fibers to reduce pain perception.
B. "Adjust the dial until you feel a pins-and-needles sensation.": The intensity of the electrical stimulation should be adjusted to a comfortable level where the client feels a tingling or pins-and-needles sensation. This indicates that the nerves are being stimulated appropriately for pain relief.
C. "You can apply the electrodes directly over sensitive areas of skin.": Electrodes should not be placed on irritated, broken, or sensitive skin, as this can cause discomfort or skin damage. Placement should follow guidelines to ensure effective and safe pain management.
D. "This device requires access to a 220-volt outlet.": TENS units are battery-operated and do not require a high-voltage power source. This makes them portable and convenient for home use.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is {"A":{"answers":"C"},"B":{"answers":"B"},"C":{"answers":"A"},"D":{"answers":"A"}}
Explanation
Anticipated:
• Administer an iron supplement.
• Refer for a nutritional consult.
Nonessential:
• Place the client on a low sodium diet.
Contraindicated:
• Restrict fluid intake.
Rationale:
• Administer an iron supplement: The client has iron deficiency anemia, indicated by low hemoglobin, hematocrit, RBC count, and ferritin levels. Iron supplementation is essential for replenishing iron stores and improving oxygen-carrying capacity.
• Refer for a nutritional consult: The client follows a vegan diet, which increases the risk of iron and vitamin B12 deficiencies. A nutritionist can provide dietary guidance to improve iron and vitamin intake through plant-based sources or supplementation.
• Place the client on a low sodium diet: Sodium restriction is typically necessary for conditions like hypertension, heart failure, or renal disease. There is no indication that
Correct Answer is D
Explanation
A. Temperature of 38° C (100.4° F): An elevated temperature may indicate infection, which is a potential complication of TPN due to the risk of central line-associated bloodstream infections. However, fever is not a sign of fluid volume overload.
B. Urinary output of 20 mL in the past hour: Oliguria (low urine output) is more commonly associated with dehydration or renal impairment rather than fluid volume overload. In fluid overload, urine output may initially increase if kidney function is normal.
C. +1 pedal pulses: Weak pulses can indicate poor circulation, hypovolemia, or peripheral vascular disease. In fluid overload, bounding pulses rather than weak pulses are typically observed due to increased intravascular volume.
D. S3 heart sound: An S3 heart sound (ventricular gallop) occurs when excess fluid volume causes rapid ventricular filling, leading to abnormal heart sounds. This finding is a classic sign of fluid volume overload and can indicate heart failure or significant fluid retention.
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