The lowest blood concentration of nitrogenous waste occurs in the a. hepatic vein b. inferior vena cave c. renal artery d. renal vein The glomerular cappillaries differ from other capillary networks in the body because they a. have a larger area of anastomosis b. are derived from and drain into arterioles c. are not made of endothelium d. are sites of filtrate formation Damage to the renal medulla would interfere first with the functioning of the a. glomerular capsule b. distal convulated tubules c. collecting ducts d. proximal convulated tubules A Which is reabsorbed by the proximal convulted tubules? a. Na b. K c. amino acids d. proximal convulated tubules Glucose is not normally found in the urine because it a. does not pass through the walls of the glomerulus b. is kept in the blood by colloid osmotic pressure c.is reabsorbed by the tubule cells d. is removed by the body cells before the blood reaches the kidney Filtration at the glomerulus is inversely related to a. water reabsorption b. capsular hydrostatic pressure c. arterial blood pressure d. acidity of the urine Tubular reabsorption a. of glucose and many other substances is a T-limited active transport process b. of chloride is always linked to the passive transport of Na c. is the movement of substances from the blood into the nephron d. of sodium occurs only in teh proximal tubule If a freshly voided urine sample contains excessive amounts of urochrome it has a. an ammonia-like odor b. a pH below normal c. a dark yellow color d. a pH above normal Conditions such as diabetes mellitus, starvation, and low-carboyhydrate diets are closely linked to a. ketonuria b.pyuria c. albuminuria d. hematuria Which of the following is/are true about ADH? a. it promotes obligatory water reabsorption b. it is secreted in response to an increase in extracellular fluid osmolatlity c. it causes insertion of aquaporins in the PCT d. it promotes Na reabsorption
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