A pressure ulcer covered with eschar should be classified as a category/stage III ulcer

What is the protective mechanism underlying a narrowed pulse pressure?

A) Increase the amount of oxygen entering the lungs. B) Stop the loss of blood internally or externally. C) Increase the oxygen-carrying capacity of the red blood cells. D) Maintain an adequate blood pressure for perfusion.

Lower tube current is used in anatomic regions where there is ____________ attenuation because the anatomy is ____________ or _________ dense.

a. increased; thicker; more b. decreased; thicker; more c. increased; thinner; less d. decreased; thinner; less