List and describe three pressures operating at the filtration membrane, and explain how each influences net filtration pressure.
What will be an ideal response?
Glomerular hydrostatic pressure is the chief force pushing water and solutes across the filtration membrane. The higher the glomerular hydrostatic pressure, the more filtrate is pushed across the membrane. Colloid osmotic pressure of plasma proteins in the glomerular blood, and capsular hydrostatic pressure exerted by fluids in the glomerular capsule, drive fluids back into the glomerular capillaries. The net filtration pressure equals glomerular hydrostatic pressure minus the sum of colloid osmotic pressure of glomerular blood and capsular hydrostatic pressure.
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In general, a skeletal muscle is composed of a: Connective tissue sheathsb: Nervesc: Arteriesd: Veinse: Muscle fibers
A. b, c, d, e B. a, b, c, e C. a, b, c, d, e D. a, b, d, e E. a, b, c, d
Which structure in the figure is the main duct for the return of lymph to the blood?
a) A b) F c) G d) C e) H
How do hormones regulate the pattern of bone growth?
A) They control the rate of movement of the epiphyseal line. B) They change the rates of osteoblast and osteoclast activity. C) They regulate the deposition of calcium and phosphate salts in the bone matrix. D) They don't; hormones are not involved in bone growth processes. E) None of the answers are correct.
The percentage of ________ muscle fibers changes with physical conditioning.
Fill in the blank(s) with the appropriate word(s).