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What name is given to the millions of tiny filtering units that make up each kidney?A nephronsB tubulesC filter organs

Biomedical Instrumentation Systems

1st Edition

ISBN:9781133478294

Author:Chatterjee

Publisher:Chatterjee

Chapter2: Anatomy And Physiology

Section: Chapter Questions

Problem 7Q

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Question

What name is given to the millions of tiny filtering units that make up each kidney?
A nephrons
B tubules
C filter organs

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Water and small solutes enter nephrons during ________. a. filtration b. reabsorption c. secretion d. both a and b
Figure 41.6 Which of the following statements about the nephron is false? The collecting duct empties into the distal convoluted tubule. The Bowman’s capsule surrounds the glomerulus. The loop of Henle is between the proximal and distal convoluted tubules. The loop of Henle empties into the distal convoluted tubule.
Reabsorption depends on _________. a. osmosis across the nephron wall b. active transport of sodium across the nephron wall c. a steep solute concentration gradient d. all of the above
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) podocytes
1. The outer one-third of the kidney is called the A. Medulla B. Minor calyces C. Renal pyramid D. Cortex
As the text noted, two-thirds of the water and solutes that the body reclaims by reabsorption in nephrons occurs in the proximal tubule. Proximal tubule cells have large numbers of mitochondria and demand a great deal of oxygen. Explain why.
Figure 41.5 Which of the following statements about the kidney is false? The renal pelvis drains into the ureter. The renal pyramids are in the medulla. The cortex covers the capsule. Nephrons are in the renal cortex.
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