BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 37, Problem 7SA
Summary Introduction
Introduction:
Toxic and unwanted materials need to be removed in the body. The process of removal of such toxic substances from the body is called excretion. Breakdown of proteins produces nitrogenous wastes which are excreted by the urinary system. Urine formation occurs in kidneys by the filtration of blood.
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Which 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 .
A 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.
Which condition is characterized by a sudden loss of kidney function due to damage to the kidneys?
A) Chronic kidney disease
B) Acute kidney injury
C) Nephrotic syndrome
D) Polycystic kidney disease
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_forwardReduced osmolality in the blood leads to ... a) Increase the water permeability in the collection pipe b) Reduced urinary osmolality c) Reduced urine volume d) Increased ADH secretionarrow_forwardIn reptiles, distal collecting tubules merge to form collecting ducts, which ultimately form the ____. a. ureter b. urodeum c. cloaca d. renal veinarrow_forward
- The kidneys in human beings are parts of the system for: (a) nutrition(b) respiration(c) excretion(d) transpirationarrow_forwardThe hormone ANP is released from the heart and causes the urinary system to A) decrease urine volume and increase blood volume. B) increase urine volume and blood volume. C) decrease urine volume and blood volume. D) increase urine volume and decrease blood volume.arrow_forwardGlomerular filtration can be increased by which of the following? A. Increasing blood flow via afferent arteriole B. Decreasing blood flow via afferent arteriole C. Decreasing arterial blood pressure D. Increasing blood flow via efferent arteriole The answer is (A) Increasing blood flow via afferent arteriole. Please explain why it is not the other options (B,C,D)arrow_forward
- The glomerulus differs from other capillaries in the body in that it ________. a) is impermeable to most substances b) is the site for reabsorption of 99% of the filtrate c) has a blood pressure much higher than other capillaries d) has a basement membranearrow_forwardHow would damage to the renal capillaries resulting in an increase in protein filtration and urinary excretion affect net filtration pressure in the systemic circulation? a. Increase capillary reabsorption due to an increase in interstitial colloid osmotic pressure b. Increase capillary filtration due to an increase in interstitial hydrostatic pressure c. Increase capillary filtration due to a decrease in blood colloid osmotic pressure d. Increase capillary reabsorption due to increased blood hydrostatic pressurearrow_forwardWhich 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.arrow_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_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_forward
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