BIOLOGY
5th Edition
ISBN: 9781264104680
Author: BROOKER
Publisher: MCG
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Chapter 41, Problem 10TY
Summary Introduction
Introduction: Water is the main component in the bodies of animals. Many solutes ions like Na+ and K+ are dissolved in the water of an animal’s body. Water and ions maintain the homeostasis of the organism.
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Students have asked these similar questions
I. Metabolism is the elimination of metabolic wastes including nitrogenous wastes produced from the breakdown of proteins. II. Diffusion is the movement of water from a region of higher osmolarity to a region of lower osmolarity across a selectively permeable membrane.
A. If the two statements are both correct
B. If the first statement is correct while the second one is not
C. If the second statement is correct while the first one is not
D. If the two statements are both incorrect
I. The functional units of the kidney where urine is formed. II. Kidneys serve as specialized organs for osmoregulation and excretion
A. If the two statements are both correct
B. If the first statement is correct while the second one is not
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Some aquatic organisms, when confronted with a changing external osmotic environment, allow the internal (but extracellular) fluid osmotic pressure to follow, or to "match," the external osmotic pressure as it changes. This organism would be classified as a(an) ...
A.
hyporegulator.
B.
osmoconformer.
C.
osmomanipulator.
D.
hyperregulator.
E.
osmoregulator.
The figure at right illustrates the relationship between body
fluid osmotic concentration and environment osmotic
concentration for several aquatic animals. In seawater
(ambient osmotic pressure = 1000 mOsm), the shrimp is best
described as...
A. A hypo-ionic regulator
B. A hyperosmotic conformer
C. A hypo-osmotic regulator
D. A euryhaline conformer
E. None of the above
Blood osmotic pressure (mOsm)
1500
1000
500
0
0
Green crab
Mussel
Shrimp
500
1000
Ambient osmotic pressure (mOsm)
1500
Chapter 41 Solutions
BIOLOGY
Ch. 41.1 - Core Skill: Modeling The goal of this modeling...Ch. 41.1 - Prob. 2CSCh. 41.2 - Prob. 1CCCh. 41.3 - Core Skill: Connections Can negative feedback...Ch. 41.3 - What similar feedforward process might occur in an...Ch. 41.4 - Prob. 1CCCh. 41.4 - Prob. 2CCCh. 41.4 - Prob. 3CCCh. 41.4 - Prob. 4CCCh. 41.4 - What symptoms are sometimes seen in athletes after...
Ch. 41.4 - Prob. 2EQCh. 41.4 - Prob. 3EQCh. 41 - Prob. 1TYCh. 41 - Structures composed of two or more tissue types...Ch. 41 - Prob. 3TYCh. 41 - From an examination of the structure of many...Ch. 41 - Prob. 5TYCh. 41 - The folds, convolutions, or extensions found in...Ch. 41 - Prob. 7TYCh. 41 - Prob. 8TYCh. 41 - Prob. 9TYCh. 41 - Prob. 10TYCh. 41 - Prob. 1CQCh. 41 - Define homeostasis, and give examples of...Ch. 41 - Prob. 3CQCh. 41 - Prob. 1COQCh. 41 - Discuss the organization of animal bodies from the...
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Similar questions
- The major role of this electrolyte is to maintain osmotic pressure in the extracellular fluid (ECF). a. HCO3– b. Ca2+ c. Na+ d. K+arrow_forwardSolutes tend to diffuse from a region where they ar_____ concentrated to an adjacent region where they are_______ concentrated. a. more, less c. movement is independent b. less, more of concentrationarrow_forwardOsmolarity is the measure of __________concentration of _________ particles. a. total; water b. partial; water c. total; solute d. partial; solute e. none of the abovearrow_forward
- The pathway that can move highest rates of sodium ions is: A. Sodium channels B. Sodium pumps-ATPases C. Sodium exchangers D. Sodium diffusion in solutionarrow_forwardThe statement that the majority of sodium is contained outside cells tells us that: A. The amount of sodium in extracellular compartment is more than the intracellular one OB. The osmolarity is higher outside cells than inside cells O C. The volume of ECF is more than the ICF D. All of the abovearrow_forwardHow would one describe insensible water loss, such as loss from the lungs? A. this type of water loss is the reason for most body water loss B. this helps to maintain a constant fluid balance in humans C. this water loss cannot be altered as needed by an organism D. this has the greatest affect on electrolyte balance in humans On average, the greatest loss of water from the human body occurs by: Group of answer choices A. perspiration B. feces production C. moisture loss at lungs D . urination Which of the following hormones helps to balance Ca2+ in the blood? Group of answer choices ADH & aldosterone PTH & calcitonin insulin & glucagon renin & ANParrow_forward
- Which of the following is TRUE of sharks and other osmoconformers? A. The solute concentration inside the organism is maintained at a higher level by active import of solutes. B. The total solute concentration is the same inside and outside of the organism C. The solute concentration inside the organism is maintained at a lower level by active export of solutes. D. The NaCl concentration is the same inside and outside of the organismarrow_forwardWhich of the following is NOT an ion homeostatically maintained in vertebrates? a. Cl– b. Na+ c. Ca2+ d. Fl–arrow_forwardIf you get four osmometers with different concentrations of sucrose, 0.3 mM, 0.4, 0.6, 0.9-, and 1.2-mM? Which one of these osmometers will have the highest osmotic pressure? a. The 0.4 mM O b. The 0.3 mM C. The 0.6 mM O d. The 0.9 mM O e. The 1.2 mMarrow_forward
- A 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_forwardpart 1 Reaching osmotic balance across a semipermeable membrane for non-charged molecules depends on: a.Relative solute concentration gradient across the membrane b.Relative electrical gradient across the membrane c.Relative solute concentration and electrical gradient across the membrane part 2 The equilibrium of a charged molecule across a semipermeable membrane depends on: a.Relative solute concentration gradient across the membrane b.Relative electrical gradient across the membrane c.Relative solute concentration and electrical gradient across the membranearrow_forwardThe movement of water through a semipermeable membrane toward solutes is called diffusion. A. True B. Falsearrow_forward
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