GR - Cells and the Extracellular Environment II

GR - Cells and the Extracellular Environment II - Guided...

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Guided Reading - Cells and the Extracellular Environment II 1. Edema will result if a person has an abnormally low concentration of plasma proteins. True False 2. Osmoreceptors are involved in the regulation of blood volume. True False 3. Ion channels that can be opened by physiological stimuli are said to be A. polar. B. aquaporins. C. hypertonic. D. gated. 4. The calcium pump is also an ATPase enzyme. True False 5. Where is the receptor for a nonpolar, lipid-soluble regulatory molecule? A. embedded in the outer surface of the plasma membrane B. embedded in the inner surface of the plasma membrane C. in the cytoplasm or nucleus of the cell D. All of the choices are correct. 6. Diffusion is more rapid in cells with microvilli compared to cells lacking microvilli. True False 7. Which of the following is true of oral rehydration therapy? A. It is used to treat severe diarrhea. B. The presence of glucose aids the intestinal absorption of Na + and water. C. It saves more than a million small children per year.
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This note was uploaded on 03/20/2012 for the course MCB 32 taught by Professor Smiley during the Fall '11 term at Cal Poly.

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GR - Cells and the Extracellular Environment II - Guided...

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