BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 37, Problem 8SA
Summary Introduction
Introduction:
Toxic and unwanted material need to be removed in the body. The process of removal of such toxic substances from the body is called excretion. Breakdown of proteins produces nitrogenous wastes which are excreted by the urinary system. Urine formation occurs in kidneys by the filtration of blood.
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Glomerular filtration is a(n) __________ driven process.
a. osmosis
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. _____ reabsorption from the nephrons is ordinarily 100%.a. Sodium c. Waterb. Glucose d. Urea
Renin is made by ________. a. granular cells of the juxtaglomerular apparatus b. the kidneys c. the nephrons d. all of the above
Chapter 37 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
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- Which of the following does not contribute to the process of filtration? (a) active transport by epithelial cells lining renal tubules (b) large surface area for filtration (c) low permeability of glomerular capillaries (d) high hydrostatic blood pressure in glomerular capillaries (e) podocytesarrow_forwardBlood pressure forces water and small solutes out of blood and into nephrons during ________. a. glomerular filtration c. tubular secretion b. tubular reabsorption d. both a and carrow_forwardThe pores of the endothelial cells of the glomerular capillaries are called_________. Select one: a. gap junctions b. fenestrae c. membrane channels d. macula densa e. filtration slitsarrow_forward
- Constriction of the efferent arteriole of the renal corpuscle will cause ________________ to rise. A. Glomerular Osmotic Pressure B. Glomerular Hydrostatic Pressure C. Capsular Osmotic Pressure D. Capular Hydrostatic Pressurearrow_forwardHuman beings accumulate ________ before excreting nitrogenous waste. a. nitrogen b. ammonia c. urea d. uric acidarrow_forwardBowman’s capsule, the start of the tubular part of a nephron, is located in the_______ . a. renal cortex c. renal pelvis b. renal medulla d. renal arteryarrow_forward
- Fill in the blanks: Glomerular hydrostatic pressure __________ filtration; colloid osmotic pressure and capsular hydrostatic pressure __________ filtration. a. favors; favor c. favors; oppose b. opposes; oppose d. opposes; favorarrow_forwardWhich of these processes is responsible for kidney function?a. filtration c. reabsorption e. All of these are correct.b. secretion d. Both a and b are correct.arrow_forwardWhich of the following is a component of filtrate but not normally a component of urine? a. water b. erythrocytes c. nitrogenous waste d. glucosearrow_forward
- Water reabsorption involves the movement of water via the process of _______. a. diffusion b. osmosis c. hydrostatic pressure d. ATParrow_forwardthe vasa recta participate in --------- , since they are freely permeable to small solutes and water surrounding the Loops of Henle deep into the iner medullary tissue of the kidneys. A. protein lysis b. re-absorption of glucose c. glomerular filtration rate d. concurrect exchangearrow_forwardADh or vassopressin affects water balance in the kidney more specifically it ______ a. Delays water reabsorption a secreting salt b. Inserts aquaPorins into the apical membrane of the cells of Henles Loop c. Increases the active transport of sodium out of the collecting duct d. Insert aquaPorins into the apical membrane of the cells of the collecting ductarrow_forward
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