CONNECT ACCESS FOR BIOL 01204 <C>
12th Edition
ISBN: 9781264443123
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 49, Problem 6U
Humans excrete their excess nitrogenous wastes as
a. uric acid crystals.
c. ammonia.
b. compounds
d. urea. containing protein.
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Humans excrete their excess nitrogenous wastes as
a. uric acid crystals.
b. compounds containing protein.
c. ammonia.
d. urea.
Humans excrete their excess nitrogenous wastes asa. uric acid crystals.b. protein.c. ammonia.d. urea.
Choose which of the following substances would be too large to be filtered from the blood into the nephron.
a. Urea
b. Simple sugars
c. Proteins
d. Blood cells
e. Amino acids
f. Electrolytes such as salts
Chapter 49 Solutions
CONNECT ACCESS FOR BIOL 01204 <C>
Ch. 49.1 - Prob. 1LOCh. 49.1 - Prob. 2LOCh. 49.2 - Identify the relative toxicity and solubility of...Ch. 49.3 - Prob. 1LOCh. 49.3 - Define reabsorption and secretion.Ch. 49.4 - Prob. 1LOCh. 49.4 - Explain the role of the loop of Henle in the...Ch. 49.5 - Prob. 1LOCh. 49.5 - Prob. 2LOCh. 49.5 - Prob. 3LO
Ch. 49.6 - Prob. 1LOCh. 49.6 - Prob. 2LOCh. 49 - Prob. 1DACh. 49 - Which of the following is NOT an ion...Ch. 49 - Prob. 2UCh. 49 - A sharks blood is isotonic to the surrounding...Ch. 49 - An important function of the excretory system is...Ch. 49 - Which of the following is a function of the...Ch. 49 - Humans excrete their excess nitrogenous wastes as...Ch. 49 - An osmoregulator would maintain its internal...Ch. 49 - Prob. 1ACh. 49 - A viral infection that specifically interferes...Ch. 49 - Diuretics are drugs that can be used to treat high...Ch. 49 - Caffeine inhibits the secretion of ADH. Prior to...Ch. 49 - You and your study partner want to draw the...Ch. 49 - You are studying renal function in different...Ch. 49 - Prob. 1SCh. 49 - Johns doctor is concerned that Johns kidneys may...
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- 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 a healthy person, which substance(s) should NOT be found in urine in high levels? Choose all that apply. a. Urea b. Simple sugars c. Proteins d. Blood cells e. Amino acids f. Electrolytes such as saltsarrow_forwardOne advantage of the excretion of urea instead of uric acid isthat ureaa. requires less energy than uric acid to produce.b. can be concentrated to a greater extent.c. is not a toxic substance.d. requires no water to excrete.e. is a larger molecule.arrow_forward
- The color of urine is determined mainly by a. diet b. filtration rate c. byproducts of red blood cell breakdown d. filtration efficiencyarrow_forwardThe nephridia of an earthworm excretes urea because: O a. Worms cannot produce the enzymes needed to produce uric acid. O b. The urea is used to alter the osmotic pressure of the earthworm. O. Ammonium cannot diffuse out through the skin. O d. Urea is completely non-toxic. Oe. Urea does not result in any water loss.arrow_forwardWhich of the following is a function of the kidneys? a. The kidneys remove harmful substances from the body. b. The kidneys recapture water for use by the body. c. The kidneys regulate the levels of salt in the blood. d. All of the choices are correct.arrow_forward
- The nephridia of an earthworm excretes urea because: O a. The urea is used to alter the osmotic pressure of the earthworm. O b. Urea is completely non-toxic. O c. Worms cannot produce the enzymes needed to produce uric acid. O d. Urea does not result in any water loss. O e. Ammonium cannot diffuse out through the skin.arrow_forwardWhich of the following is not correct?a. Uric acid is produced from the breakdown of amino acids.b. Creatinine is produced from breakdown reactions in the muscles.c. Urea is the primary nitrogenous waste of humans.d. Ammonia results from the deamination of amino acids.arrow_forwardThe presence of ADH (antidiuretic hormone) causes an individualto excretea. sugars.b. less water.c. more water.d. Both a and c are correctarrow_forward
- The urinary system participates in the body’s regulation of a. water levels.b. salt levels.c. blood pH.d. All of these are correct.arrow_forwardHigh levels of ammonium ions in the urine indicatea. a high level of H+ secretion into the urine.b. that the kidneys are causing blood pH to decrease.c. that urine pH is too basic.d. All of these are correct.arrow_forwardWhich of the following substances may start to appear in the urine when the glomerulus is inflamed? Select one: A. Sodium B. Potassium C. Glucose D. Protein E. Urea O O O O Oarrow_forward
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