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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.

Answer and Explanation

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.

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Correct Answer is D

Explanation

A. 35

35 pounds is too much for skin traction. That much weight can damage the skin and soft tissues.

B. 25

While closer, 25 pounds is above the recommended limit for skin traction. Excessive weight may lead to skin breakdown.

C. 15

Though this might be used occasionally, it’s still considered on the higher side and usually reserved for very short-term use.

D. 5

The recommended weight for skin traction is 5–7 pounds, because the skin and soft tissues cannot tolerate heavier loads.

A. dry and dirty. B. moist and pink. C. moist and white D. dry and greenish.

Correct Answer is A

Explanation

A. Dry and dirty

Skin under a cast is typically dry, flaky, and appears dirty due to the accumulation of dead skin cells and lack of exposure to air and water.

B. Moist and pink

Moist and pink skin suggests healthy, well-hydrated tissue, which is not typical after cast removal.

C. Moist and white

Moist and white skin may indicate maceration, which can occur under wet dressings, not a dry cast.

D. Dry and greenish

Green discoloration is not a normal finding and may suggest infection, which is not expected under a dry cast unless there were complications.

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The nurse placing a patient following knee replacement surgery into a continuous passive motion (CPM) machine has the responsibility to:

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Naxlex Comprehensive Predictor Exams

The nurse is aware that the maximum weight that can be applied with a skin traction is

Correct Answer is D

Explanation

A patient who fractured a leg several weeks ago is scheduled for cast removal after he returns home. The nurse should explain to the patient to expect the skin underneath the cast to appear:

Correct Answer is A

Explanation

The nurse designs care for the immobilized patient to help combat the major dangers of immobilization, which include: Select all that apply.

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