________ are abundant along the plasma membrane of the cells of the small intestine, increasing surface area the absorption of nutrients
A) Mitochondria
B) Microvilli
C) Lysosomes
D) Peroxisomes
B
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What is the best explanation for the microvilli on the apical surface of the proximal convoluted tubule (PCT)?
A) They increase the surface area and allow for a greater volume of filtrate components to be reabsorbed. B) Their movements propel the filtrate through the tubules. C) They increase the amount of surface area that comes in contact with the blood's plasma to help activly excrete toxins. D) They hold on to enzymes that cleanse the filtrate before reabsorption.
Every substance that enters or leaves the internal environment of the body must cross an epithelium.
A) True B) False
Plasma proteins, particularly albumins, are responsible for establishing:
A) interstitial fluid osmotic pressure (IFOP) B) blood colloid osmotic pressure (BCOP) C) blood hydrostatic pressure (BHP) D) interstitial fluid hydrostatic pressure (IFHP)
One criterion of death is an isoelectric response of an electroencephalogram for ____ minutes
Fill in the blank(s) with the appropriate word(s).