Human Biology Custom Edition
11th Edition
ISBN: 9781337631532
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Chapter 12, Problem 5SQ
Summary Introduction
Introduction: The kidney is an important organ of the excretory system and nephron is the basic structural unit of the kidney. As blood passes through the kidneys, it filters the nitrogenous waste to form urine. It maintains the homeostasis of the body. The three major steps for urine formation include glomerular filtration, tubular reabsorption, and tubular secretion.
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Students have asked these similar questions
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
. _____ reabsorption from the nephrons is ordinarily 100%.a. Sodium c. Waterb. Glucose d. Urea
The return of filtered molecules from the nephron packet to the blood is called
a. Excretion
b. Reabsorption
c. Filtration
d. Secretion
Chapter 12 Solutions
Human Biology Custom Edition
Ch. 12 - Label the parts of this kidney and nephron.Ch. 12 - How does the formation of urine help maintain the...Ch. 12 - Explain what is meant when we talk about...Ch. 12 - Prob. 4RQCh. 12 - Explain how the kidneys help to maintain the...Ch. 12 - Prob. 1SQCh. 12 - The body loses water by way of the ________. a....Ch. 12 - Water and small solutes enter nephrons during...Ch. 12 - Prob. 4SQCh. 12 - Prob. 5SQ
Ch. 12 - Reabsorption depends on _________. a. osmosis...Ch. 12 - Prob. 7SQCh. 12 - Prob. 8SQCh. 12 - Prob. 9SQCh. 12 - Match the following saltwater balance concepts:Ch. 12 - A urinalysis reveals that the patients urine...Ch. 12 - As a person ages, nephron tubules lose some of...Ch. 12 - Fatty tissue holds the kidneys in place. Extremely...Ch. 12 - Licorice is used as a remedy in Chinese...Ch. 12 - Drinking too much water can be a bad thing. If...Ch. 12 - As the text noted, two-thirds of the water and...
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- Renin is made by ________. a. granular cells of the juxtaglomerular apparatus b. the kidneys c. the nephrons d. all of the abovearrow_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_forwardWhat structure of the nephron empties urine into the calyx of the kidney? A. Proximal convoluted tubule B. Loop of henle C. Distal convoluted tubule D. Collecting Ductarrow_forward
- In the kidneys where does most of the tubular reabsorption occur a. Proximal convoluted tubule b. Collecting duct c. Glomerulus d. Distal convoluted tubulearrow_forwardFluid that enters Bowman’s capsule flows directly into the_____ . a. renal artery c. distal tubule b. proximal tubule d. loop of Henlearrow_forwardWhat 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 Barrow_forward
- Glomerular filtration is a(n) __________ driven process. a. osmosis b. diffusion c. ATP d. relaxationarrow_forwardBUN is ________. a. blood urea nitrogen b. blood uric acid nitrogen c. an indicator of blood volume d. an indicator of blood pressurearrow_forwardWhich type of circulatory route is commonly found in a nephron within the kidneys? A. Arteriovenous anastomosis O B. 2 capillary bed portal system C. Simple 1 capillary bed circulatory route D. Venous anastomosisarrow_forward
- Human beings accumulate ________ before excreting nitrogenous waste. a. nitrogen b. ammonia c. urea d. uric acidarrow_forwardWhich direction of movement correctly describes how the term "reabsorption" functions in the nephron? A. from the capillaries of the vasa recta into the renal tubule lumen B. from the collecting duct into the ureter C. from the renal artery into the collecting duct D. from the renal tubule lumen into the surrounding interstitial fluid E. from the afferent arteriole into the glomerulusarrow_forwardWhich of the following is located within the renal medulla? a. collecting duct b. glomerulus c. renal corpuscle d. distal convoluted tubulearrow_forward
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Excretory System; Author: Amoeba Sisters;https://www.youtube.com/watch?v=q5qaGHfdmYM;License: Standard youtube license