1 SEM CARDLESS ACC W/RAVEN TEXT
12th Edition
ISBN: 9781265321062
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Textbook Question
Chapter 49, Problem 3U
A shark’s blood is isotonic to the surrounding seawater because of the reabsorption of ____ in its blood.
a. ammonia
b. uric acid
c. urea
d. NaCl
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Chapter 49 Solutions
1 SEM CARDLESS ACC W/RAVEN TEXT
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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- 1. The part of the urinary system that serves to temporarily store urine: A. Urethra B. Urinary Bladder C. Ureter D. Kidney 2. When nitrogenous (nitrogen-containing) molecules are broken down, they release a very toxic compound called? A. Ammonium B. Carbon monoxide C. Uric acid D. Ammonia 3. These molecules are vital in the opening and closing mechanism of the guardcells A. K+ B. Cl- C. NH3- D. CO2arrow_forwardWhich naturally occurring buffer regulates blood pH? a. H3PO4/H2PO4- b. H2PO4-/HPO4-2 c. CH3COOH/CH3COO- d. H2CO3/HCO3-arrow_forwardBUN is ________. a. blood urea nitrogen b. blood uric acid nitrogen c. an indicator of blood volume d. an indicator of blood pressurearrow_forward
- The sensation of thirst increases whena. the levels of angiotensin II increase.b. the osmolality of the blood decreases.c. blood pressure increases.d. renin secretion decreases.arrow_forwardConsumption of a caffeinated beverage would make your urine _________ compared to your urine a few hours before drinking the beverage. a. Hyperosmotic b. Hypoosmotic c. Not enough information to determine d. Isoosmoticarrow_forwardA young man has burns over 25% of his body, destroying his cells. Which electrolyte is released from the damaged cells, resulting in elevated blood plasma levels? Results from the lab would indicate elevated levels of this common intracellular electrolyte. a. Ca2+ b. K+ c. Na+ d. Cl–arrow_forward
- Blood needs to be to ensure optimal cell function. a. Highly basic b. Clotted c. Buffered d. Highly acidicarrow_forwardMany caffeinated beverages such as coffee, tea, and cola drinks have diuretic effects on the body. Why do caffeinated beverages increase the volume of urine? Select one: a. Caffeine increases ADH, which increases the reabsorption of water in the kidneys. b. Caffeine inhibits ADH, which reduces the reabsorption of water in the kidneys. c. Caffeine increases ADH, which reduces the reabsorption of water in the kidneys. d. Caffeine inhibits ADH, which increases the reabsorption of water in the kidneys.arrow_forwardInsensible water loss is water lost via ________.a. skin evaporation and in air from the lungsb. urinec. excessive sweatingd. vomiting or diarrheaarrow_forward
- Deep-sea divers need to go up to the surface slowly (after quite some time using compressed air for breathing under the high-pressure deep-sea environment). Re-surfacing quickly can be very painful (and even be fatal) for the diver. This phenomenon can be explained by _____________. Select one: a.freezing point depression b.Henry's Law c.osmotic pressure d.greater solubility of salt in deep seaarrow_forwardIntracellular fluids have high concentrations of ______ A. Group of answer choices B. bicarbonate C. sodium and chloride. D. sodium and phosphate. E. chloride and potassium. F. potassium and phosphate.arrow_forwardThe hormone, which is a small peptide, that induces labor in pregnant women is A.oxytocin B.myoglobin C.vasopressin D.insulinarrow_forward
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