A client with diabetes and severe peripheral vascular disease has developed signs of dry gangrene on the great toe of one foot
The client asks, "How this can happen?" Which of the following pathophysiologic processes should the nurse explain to this client? "More than likely, your gangrene is caused by:
A) Inappropriate activation of apoptosis, which means death of your cells."
B) Bacterial invasion into the foot and toe."
C) Impaired arterial blood supply to your toe."
D) Metaplastic cellular changes in your toe."
Ans: C
Feedback:
Dry gangrene is often a result of impaired arterial blood supply to the extremities. A bacterial etiology is more common in wet gangrene, whereas neither metaplasia nor activation of apoptosis is implicated in cases of dry gangrene.
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