wound care final exam Questions with 100% Correct Answers | Verified | Updated 2024

what is force acting tangentially on an area of an object? - answer-shear force skin remains stationary and the tissues below the skin (fat/muscle) are deformed or distorted is an example of: ____________ - answer-shear force what do shear stresses on a tissue do? - answer-decrease the ability to withstand normal loads -tissue subjected to shear force can suffer ischemia at only HALF the pressure than without shear the resistance to motion in a parallel direction relative to the common boundary of 2 surfaces is: ___________ - answer-friction what is friction pressure usually associated with? - answer-skin/bedding on skin/seating cushion interfaces temperatures of ____ cause increased perspiration, increasing the maceration risk of the skin and increasing the pH - answer-95 deg. F what is the normal skin pH? what about urine and feces? - answer-4-6.5 -urine is around 6.8 and feces around 7-7.5 --> tend to be closer to a neutral pH what are the 3 elements that lead to the development of an actual pressure ulcer? - answer--intensity of pressure & vascular occlusion -duration of the pressure AND -tissue tolerance what is normal capillary blood pressure? what happens if ext