CRRN Wound Care and Skin Integrity in Rehabilitation

Question 1

A patient with paraplegia develops a stage 3 pressure injury over the ischial tuberosity. Which factor is the PRIMARY cause of ischial pressure injuries in wheelchair users?

Accepted Answer

Sustained pressure exceeding capillary closing pressure during prolonged sitting

Answer

Shear force from ambulation

Answer

Moisture from urinary incontinence alone

Answer

Friction from bed linen

Question 2

A CRRN is staging a wound with slough covering 70% of the wound bed. The visible tissue appears to reach subcutaneous fat. Which pressure injury stage is CORRECT?

Accepted Answer

Unstageable

Answer

Stage 1

Answer

Stage 2

Answer

Stage 4

Question 3

Which pressure redistribution surface is MOST appropriate for a patient with multiple stage 2 pressure injuries who requires full-time bed rest?

Accepted Answer

Low-air-loss or alternating pressure mattress system

Answer

Standard hospital mattress with a thin foam overlay

Answer

Donut cushion placed under bony prominences

Answer

Sheepskin pad over the existing mattress

Question 4

A patient with diabetes and a neuropathic plantar foot ulcer is in wound rehabilitation. Which offloading device is considered the GOLD STANDARD for plantar foot ulcer healing?

Accepted Answer

Total contact cast (TCC)

Answer

Therapeutic footwear and custom orthotics

Answer

Removable walking boot (RCW) with strict compliance instructions

Answer

Crutches with non-weight-bearing to the affected foot

Question 5

A wound care nurse is selecting a dressing for a stage 3 pressure injury with moderate exudate and a clean, granulating base. Which dressing type is MOST appropriate?

Accepted Answer

Alginate or foam dressing to maintain moist wound healing while managing exudate

Answer

Dry gauze dressing changed every 8 hours

Answer

Transparent film dressing to observe the wound

Answer

Iodine-soaked gauze packing

Question 6

A rehabilitation patient with spinal cord injury is being taught pressure relief techniques for wheelchair use. Which frequency of pressure relief is RECOMMENDED to prevent ischial pressure injuries?

Accepted Answer

Every 15–30 minutes for at least 1–2 minutes

Answer

Every 4 hours

Answer

Once in the morning and once at night

Answer

Only when the patient feels discomfort