BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 37, Problem 4SA
Summary Introduction
Introduction:
Excretion of nitrogenous wastes in humans occurs in kidneys, through the urinary system. Urine is formed in the kidney by filtration of blood through the Bowman’s capsule. Nephrons are tubular structures and are found in great numbers in the kidney.
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Bowman’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 artery
Which of the following statements about the kidney is false? a. The renal pelvis drains into the ureter. b. The renal pyramids are in the medulla. c. The cortex covers the capsule. d. Nephrons are in the renal cortex.
What causes the large osmotic force due to proteins in the peritubular capillary?
A. The secretion of proteins into the interstitial space by the tubule cells.
B. The prevention of proteins being filtered at the glomerulus.
C. The high capsular pressure in the glomerulus.
D. A and B
Chapter 37 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
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- Blood 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_forward1. The outer one-third of the kidney is called the A. Medulla B. Minor calyces C. Renal pyramid D. Cortexarrow_forwardThe afferent arteriole delivers blood to the (a) renal artery (b) efferent arteriole (c) renal vein (d) capillaries of the glomerulus (e) peritubular capillariesarrow_forward
- 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_forwardIn which part of the nephron parts is no water reabsorbed? a) The downward part of Henles is slung b) The upward part of Henles is slung c) Distal tubules d) Distal tubulesarrow_forwardWhich of the following would increase the rate of glomerular filtration? A)increasing the concentration of protein in the blood. B) decreasing the volume of blood plasma. C) increasing the arterial pressure of the blood . D) decreasing the osmotic pressure of the blood .arrow_forward
- The kidneys in human beings are parts of the system for: (a) nutrition(b) respiration(c) excretion(d) transpirationarrow_forwardA viral infection that specifically interferes with the reabsorption of ions from the glomerular filtrate would attack cells located in thea. Bowman’s capsule.b. glomerulus.c. renal tubules.d. collecting duct.arrow_forwardLong nephron loopsa. are common in animals with access to abundant freshwater.b. allow urine to become concentrated within thecollecting duct.c. are the most common type of nephron loop in humans.d. extend deep into the renal cortex.arrow_forward
- 1) From the descending limb of the nephron loop a water molecule would next pass into the ______. A) proximal convoluted tubule B) glomerulus C) ascending limb of the nephron loop D) collecting duct E) ureter F) urinary bladderarrow_forwardThe compact ball of capillaries in a nephron is called:- a. the nephron loop. b. the peritubular plexus. c. the renal corpuscle. d. the glomerulus. e. the vasa recta.arrow_forwardIn reptiles, distal collecting tubules merge to form collecting ducts, which ultimately form the ____. a. ureter b. urodeum c. cloaca d. renal veinarrow_forward
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