According to Fick's law of diffusion, which of the following changes would decrease the rate of net diffusion of "X" across a membrane?
a. An increase in the X's concentration gradient
b. An increase in the permeability of the membrane to X
c. An increase in the surface area of the membrane
d. An increase in the thickness of the membrane
e. A decrease in the size of X
D
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Blood has a very narrow normal pH range but urine has a very broad normal pH range. What does that indicate about the physiology of pH?
________________________________________ have the potential to send small pieces of tissues, plaque, and bacteria airborne
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What is the primary reason that edema may occur with serious burns?
a. increased venous pressure due to interference with circulation through scarring in the burned area b. lowering of blood osmotic pressure due to the loss of protein-rich fluid from the surface of the burn c. blockage of lymphatic drainage from the burned area d. loss of protein in the urine e. increased tissue hydrostatic pressure
What chemical will dissolve fibrin to remove a blood clot?
A. Plasmin B. Serum C. Prothrombin D. Thrombin