The nurse placing a patient following knee replacement surgery into a continuous passive motion (CPM) machine has the responsibility to:
raise the head of the bed to 30 to 45 degrees.
elevate the machine at the foot of the bed on one pillow.
set the proper flexion and extension limits.
keep the operated knee warm.
The Correct Answer is C
A. Raise the head of the bed to 30 to 45 degrees.
While head elevation for comfort is acceptable, it is not the primary responsibility for CPM care.
B. Elevate the machine at the foot of the bed on one pillow.
The CPM machine should lie flat along the bed frame. Elevation on a pillow can cause misalignment or malfunction.
C. Set the proper flexion and extension limits.
The nurse must confirm that the machine is set according to the provider's orders for proper range of motion and to prevent injury.
D. Keep the operated knee warm.
While comfort is important, this is not a priority of CPM machine care and doesn't directly relate to its function.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Abducting the arm to a 90-degree angle from the side of the body
This is only partial abduction; full ROM involves more than 90 degrees.
B. Adducting the arm so that it lies next to the client's side
Adduction is part of the range, but not a complete indicator of full shoulder ROM.
C. Flexing the shoulder by raising the arm from a side position to a 180-degree angle
This demonstrates full shoulder flexion, from rest to above the head.
D. Circumducting the shoulder in a 180-degree half circle
Circumduction is a circular movement, but a 180° half-circle isn’t a full demonstration of the shoulder’s capacity.
Correct Answer is B
Explanation
A. Left the patient with the lap robe tucked underneath.
A lap robe is used for warmth and comfort; tucking it under does not pose a risk.
B. Left the brakes of the wheelchair unlocked.
Wheelchair brakes must be locked during transfers to prevent the chair from moving and causing a fall.
C. Placed the patient's feet centered on the footrests.
Feet should be properly placed to avoid dragging or injury.
D. Placed slippers on the patient.
This is appropriate as long as the slippers are non-skid, providing safe footing during transfer.
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