Humanm Phys Final

Humanm Phys Final - Print Test PRINTABLE VERSION Final Exam...

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Print Test PRINTABLE VERSION Final Exam You scored 68 out of 100 Question 1 Your answer is CORRECT. The functional unit of the kidney is the: a) glomerulus b) nephron c) medulla d) pyramid e) juxtaglomerular apparatus Question 2 Your answer is CORRECT. Which specialized capillary structure in the kidney is where filtration occurs? a) afferent arteriole b) glomerulus c) efferent arteriole d) peritubular bed e) vasa recta https://www.casa.uh.edu/CourseWare/Root/UsersStudents/PrintTest.htm (1 of 20)5/18/2007 3:54:01 PM
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Print Test Question 3 Your answer is INCORRECT. Tubular reabsorption: a) involves the movement of a substance from the peritubular capillary blood into the tubular fluid. b) involves the movement of a substance from the tubular fluid into the peritubular capillary blood. c) is considered to be active if any one of the steps of transepithelial transport is active. d) both [a] and [c] e) both [b] and [c] Question 4 Your answer is CORRECT. Which of the following factors would decrease the glomerular filtration rate? a) an increase in plasma protein concentrations b) an obstruction such as a kidney stone in the tubular system, which increases Bowmans capsule hydrostatic pressure c) vasodilation of the afferent arterioles. d) two of these answers e) all of these answers Question 5 Your answer is INCORRECT. https://www.casa.uh.edu/CourseWare/Root/UsersStudents/PrintTest.htm (2 of 20)5/18/2007 3:54:01 PM
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Print Test Aldosterone: a) is stimulated in response to below normal ECF volume. b) is directly stimulated by angiotensin II. c) stimulates Na+ reabsorption and K+ secretion in the distal tubule d) two of these answers e) all of these answers Question 6 Your answer is INCORRECT. Vasopressin: a) secretion is stimulated by a water deficit. b) increases the permeability of the distal and collecting tubules to water c) is produced by the hypothalamus d) both [a] and [b] above e) all of these answers Question 7 Your answer is INCORRECT. The vertical osmotic gradient in the kidney: a) is established and maintained by the countercurrent system. b) makes it possible to put out urine of variable concentration depending on the needs of the body by varying the degree of water permeability of the distal portions of the nephron. https://www.casa.uh.edu/CourseWare/Root/UsersStudents/PrintTest.htm (3 of 20)5/18/2007 3:54:01 PM
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Print Test c) is found in the renal cortex. d) both [a] and [b] above. e) all of these answers Question 8 Your answer is CORRECT. The ascending limb of the loop of Henle is where: a) NaCl passively leaves the tubular fluid down its concentration gradient. b) NaCl is actively transported into the interstitial fluid, leaving water behind because the tubular cells are not permeable to water. c)
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Humanm Phys Final - Print Test PRINTABLE VERSION Final Exam...

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