Anatomy & Physiology
1st Edition
ISBN: 9781938168130
Author: Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher: OpenStax College
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Textbook Question
Chapter 25, Problem 12RQ
The functional unit of the kidney is called ________.
- the renal hilus
- the renal corpuscle
- the nephron
- Bowman’s capsule
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FIGURE 9-6 The renal corpuscle.
immediately after Bowman's capsule. It becomes the loop of Henle (or nephron loop) as it moves deep and forms the distal
convoluted tubule away from Bowman's capsule. Distal convoluted tubules from many nephrons join to form a collecting
duct that drains urine from the medulla to the renal papillae. Now label Figure 9-7.
H
TERMS FOR FIGURE 9-7
Afferent arteriole
Bowman's capsule
Collecting duct
Distal convoluted tubule
Efferent arteriole
Glomerulus
Interlobular artery
Interlobular vein
Loop of Henle
Peritubular capillaries
Proximal convoluted tubule
FIGURE 9-7 The nephron and blood supply.
LAB 9 Urinary System
83
processed to become urine. The
part. It is called the proxim
If the clearance of a solute is less than its filtered load__________.
Group of answer choices must choose one answer
the substance must have been secreted in the renal tubules
the substance can give an estimate of plasma flow rate
the substance must have been reabsorbed in the renal tubules
the amount of the cleared substance will give an exact glomerular filtration rate (GFR)
From the descending limb of the nephron loop a water molecule would next pass into the ______.
proximal convoluted tuble
glomerulus
ascending limb of the nephron loop
collecting duct
ureter
urinary bladder
Chapter 25 Solutions
Anatomy & Physiology
Ch. 25 - Diabetes insipidus or diabetes mellitus would most...Ch. 25 - The color of urine is determined mainly by...Ch. 25 - Production of less than 50 mL/day of urine is...Ch. 25 - Peristaltic contractions occur in the ________....Ch. 25 - Somatic motor neurons must be ________ to relax...Ch. 25 - Which pan of the urinaiy system is not completely...Ch. 25 - The renal pyramids are separated from each other...Ch. 25 - The primary structure found within the medulla is...Ch. 25 - The right kidney is slightly lower because...Ch. 25 - Blood filtrate is captured in the lumen of the...
Ch. 25 - What are the names of the capillaries following...Ch. 25 - The functional unit of the kidney is called...Ch. 25 - ________ pressure must be greater on the capillary...Ch. 25 - Production of urine to modify plasma makeup is the...Ch. 25 - Systemic blood pressure must stay above 60 so that...Ch. 25 - Aquaporin channels are only found in the...Ch. 25 - Most absorption and secretion occurs in this part...Ch. 25 - The fine tuning of water recovery or disposal...Ch. 25 - Vasodilation of blood vessels to the kidneys is...Ch. 25 - When blood pressure increases, blood vessels...Ch. 25 - Which of these three paracrine chemicals cause...Ch. 25 - What hormone directly opposes the actions of...Ch. 25 - Which of these is a vasoconstrictor? nitric oxide...Ch. 25 - What signal causes the heart to secrete atrial...Ch. 25 - Which of these beverages does not have a diuretic...Ch. 25 - Progesterone can bind to receptors for which...Ch. 25 - Renin is released in response to ________....Ch. 25 - Which step in vitamin D production does the kidney...Ch. 25 - Which hormone does the kidney produce that...Ch. 25 - If there were no aquaporin channels in the...Ch. 25 - What is suggested by the presence of white blood...Ch. 25 - Both diabetes mellitus and diabetes insipidus...Ch. 25 - Why are females more likely to contract bladder...Ch. 25 - Describe how forceful urination is accomplished.Ch. 25 - What anatomical structures provide protection to...Ch. 25 - How does the renal poital system differ from the...Ch. 25 - Name the structures found in the renal hilum.Ch. 25 - Which structures make up the renal corpuscle?Ch. 25 - What are the major structures comprising the...Ch. 25 - Give the formula for net filtration pressure.Ch. 25 - Name at least five symptoms of kidney failure.Ch. 25 - Which vessels and what pail of the nephron are...Ch. 25 - Give the approximate osmolarity of fluid in the...Ch. 25 - Explain what happens to Na+ concentration in the...Ch. 25 - If you want the kidney to excrete more Na+ in the...Ch. 25 - What organs produce which hormones or enzymes in...Ch. 25 - PTH affects absorption and reabsorption of what?Ch. 25 - Why is ADH also called vasopressin?Ch. 25 - How can glucose be a diuretic?Ch. 25 - How does lack of protein in the blood cause edema?Ch. 25 - Which three electrolytes are most closely...
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- 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.arrow_forwardLabel the parts of this kidney and nephron.arrow_forwardWater and small solutes enter nephrons during ________. a. filtration b. reabsorption c. secretion d. both a and barrow_forward
- Fatty tissue holds the kidneys in place. Extremely rapid weight loss may cause this tissue to shrink so that the kidneys slip from their normal position. On rare occasions, the slippage can put a kink in one or both ureters and block urine flow. Suggest what might then happen to the kidneys.arrow_forwardReabsorption 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 abovearrow_forwardThe renal pyramids are separated from each other by extensions of the renal cortex called ________. renal medulla minor calyces medullary coitices renal columnsarrow_forward
- The afferent arteriole delivers blood to the (a) renal artery (b) efferent arteriole (c) renal vein (d) capillaries of the glomerulus (e) peritubular capillariesarrow_forwardWhich 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_forwardAs 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.arrow_forward
- 1. The outer one-third of the kidney is called the A. Medulla B. Minor calyces C. Renal pyramid D. Cortexarrow_forward2. Glomerular filtration is directly proportional to A. Blood cell size B. Hydrostatic pressure C. Osmotic pressure D. The patient’s fluid intakearrow_forwardThe inner surface of ____ contains microvilli to increase surface area for absorption. the glomerulus the proximal convoluted tubule the descending and thin ascending limbs of the nephron loop the collecting ductarrow_forward
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