1 SEM ACC W/RAVEN CARDED
12th Edition
ISBN: 9781265486297
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
expand_more
expand_more
format_list_bulleted
Videos
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.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
One 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.
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
In 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 salts
Chapter 49 Solutions
1 SEM ACC W/RAVEN CARDED
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...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- 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_forwardThe 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_forward
- Which 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_forwardThe 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_forwardThe 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_forward
- Which 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_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_forward
- Which 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_forwardHuman beings accumulate ________ before excreting nitrogenous waste. a. nitrogen b. ammonia c. urea d. uric acidarrow_forwardWhich of these is the most abundantnitrogenous waste in the blood?a. uric acidb. ureac. ammoniad. creatininee. albuminarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Human Physiology: From Cells to Systems (MindTap ...BiologyISBN:9781285866932Author:Lauralee SherwoodPublisher:Cengage Learning
Biology (MindTap Course List)BiologyISBN:9781337392938Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. BergPublisher:Cengage Learning
Human Physiology: From Cells to Systems (MindTap ...
Biology
ISBN:9781285866932
Author:Lauralee Sherwood
Publisher:Cengage Learning
Biology (MindTap Course List)
Biology
ISBN:9781337392938
Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher:Cengage Learning
Excretory System; Author: Amoeba Sisters;https://www.youtube.com/watch?v=q5qaGHfdmYM;License: Standard youtube license