S07#4 - \ro AcV f "Bo toen ( K \0 Exam 4A Sp ring 2007...

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\ro AcV f "Bo toen ( K \0 Name Exam 4A Sp ring 2007 CSU ID # 1. In the accompanying diagram, the resorption of ammo acids would occur in: a. 1 b.2 c 3 Renal d. 4 Cortex e. All of the above. Rsnsl 2. In the accompanying diagram, where would the osmotic Medulla concentration be highest? a. 1 b.2 c.3 . d. 4 e. 5. 3. The resorption of glucose in the .requires a. proximal convoluted tubule, a Na + gradient between the filtrate and the cytoplasm of the epithelial cell. b. distal convoluted tubule, a cotransporter that binds Na + and a molecule of glucose. c. collecting duct, aquaporin d. distal convoluted tubule, aldosterone e. b and d are correct 4. "Vasopressin is a that regulates resorption in the . a. steroid hormone, sodium, proximal convoluted tubule b. peptide hormone, sodium, distal convoluted tubule c. peptide hormone, water, collecting duct d. steroid hormone, sodium, distal convoluted tubule e. peptide hormone, water, descending limb of the nephron 5. In the glomerulus, the force that causes the net movement of fluid out of the blood into Bowman's capsule is the: a. osmotic pressure b. hydrostatic pressure c. diffusion of water out of the blood. d. diffusion of protein out of the blood. e. All of the above are correct. 6. In the glomerulus, albumin provides a(n) to allow water to the a. hydrostatic pressure, leave, the glomerular capillary. b. osmotic pressure, leave, glomerular capillary c. hydrostatic pressure, reenter. Bowman's capsule d. osmotic pressure, reenter, glomerular capillary e. hydrostatic pressure, reenter, glomerular capillary
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BS300 Exam 4 April 25,2007 13. Pepsin, which digests , is released as pepsinogen from . a. starch, enteroendocrine cells b. starch, Chief cells c. protein, parietal cells d. protein, Chief cells e. protein, enteroendocrine cells 14. What of the following molecules is involved in emulsifying "blobs" of fat and stabilizing lipid molecules within the watery environment of the small instestine a. bicarbonate b. bile acids c. mucin d. leptin e. trypsin 15. Cortisol, a steroid hormone secreted from the helps to keep blood glucose concentrations up by stimulating in the liver. a. anterior pituitary, glycogenolysis b. pancreas, gluconeogenesis c. adrenal gland, gluconeogenesis d. adrenal gland, glycogenolysis e. anterior pituitary, glycolysis 16. If you were describing the life of a mature absorptive epithelial cell in the small intestine, which of the following statements would be most accurate? a. it resides in the crypts, absorbs nutrients for only a few hours, then dies and is replaced by cells from the tips of the villi b. it resides on the tips of villi, lives for several months, then migrates down into the crypts c. it resides in the crypts, functions for several months, then crawls up the villus to become an endocrine cell d. it resides in the narrow band between the crypts and villi, lives for several years, and is replaced by cells migrating in from bone marrow e. it
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S07#4 - \ro AcV f "Bo toen ( K \0 Exam 4A Sp ring 2007...

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