ETEXT CAMPBELL BIOLOGY IN FOCUS INSTANT
3rd Edition
ISBN: 9780135964422
Author: Urry
Publisher: PEARSON
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Question
Chapter 32, Problem 9TYU
Summary Introduction
To draw:
The four pie charts for the water gain and loss in a kangaroo rat and a human and the analysis of the route of water gain or loss, which make up the larger share of the total in a kangaroo rat than in a human.
Concept introduction:
The body uses water for deriving the energy and the
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Given the following water transfer rates (in g H20 per 100 calories), what would be the water balance for a
kangaroo rat?
Ingestion 0.1; Metabolism 13.4; Secretion 4; Evaporation = 11
O 15
O -1.5
O 15
A researcher measured the rate of ADH excretion as a function of exercise.
6
Plasma
4
ADH
Concentration
(pG/mL)
2
50
100
150
200
250
Exercise (Watts)
Perrault et. al. 1989
Based on the graph above, a student could infer that an increase in exercise effects ADH secretion and the resulting water levels in the blood, respectively, in the following way
Select one:
а.
ADH Secretion
Water Levels in Blood
Increases
Decreases
b.
ADH Secretion
Water Levels in Blood
Increases
Increases
с.
ADH Secretion
Water Levels in Blood
Decreases
Decreases
d.
ADH Secretion
Water Levels in Blood
Decreases
Increases
A researcher measured the rate of ADH excretion as a function of exercise.
Plasma
4
ADH
Concentration
(pG/mL)
2:
50
100
150
200
250
Exercise (Watts)
Perrault et. al. 1989
Based on the graph above, a student could infer that an increase in exercise effects ADH secretion and the resulting water levels in the blood, respectively, in the following way
Select one:
а.
ADH Secretion
Water Levels in Blood
Increases
Decreases
b.
ADH Secretion
Water Levels in Blood
Increases
Increases
С.
ADH Secretion
Water Levels in Blood
Decreases
Decreases
d.
ADH Secretion
Water Levels in Blood
Decreases
Increases
CO
Chapter 32 Solutions
ETEXT CAMPBELL BIOLOGY IN FOCUS INSTANT
Ch. 32.1 - What properties do all types of epithelia share?Ch. 32.1 - Prob. 2CCCh. 32.2 - Prob. 1CCCh. 32.2 - Prob. 2CCCh. 32.2 - Prob. 3CCCh. 32.3 - Is it accurate to define homeostasis as a constant...Ch. 32.3 - Prob. 2CCCh. 32.3 - Prob. 3CCCh. 32.4 - What is the function of the filtration step in...Ch. 32.4 - What advantage does uric acid offer as a...
Ch. 32.4 - WHAT IF? A camel standing in the sun requires much...Ch. 32.5 - Prob. 1CCCh. 32.5 - Prob. 2CCCh. 32.5 - WHAT IF? If blood pressure in the afferent...Ch. 32 - The body tissue that consists largely of material...Ch. 32 - Prob. 2TYUCh. 32 - Which process in the nephron is least selective?...Ch. 32 - Homeostasis typically relies on negative feedback...Ch. 32 - Prob. 5TYUCh. 32 - In which of the following species should natural...Ch. 32 - Prob. 7TYUCh. 32 - Prob. 8TYUCh. 32 - Prob. 9TYUCh. 32 - Prob. 10TYUCh. 32 - Prob. 11TYUCh. 32 - SYNTHESIZE YOUR KNOWLEDGE These macaques (Macaca...
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- The activity below illustrates the effect of which of the following? Choose from the following: (A) concentration osmotic gradient effect without ADH or aldosterone (B) concentration osmotic gradient effect with aldosterone (C) concentration osmotic gradient effect with anti-diuretic hormonearrow_forwardOutline the sources of input and output in a daily salt balance and add H2O balance in a typical mammal. Which are subject to control to maintain the body’s fluid balance?arrow_forwardA researcher measured the rate of ADH excretion as a function of exercise. 6. Plasma 4 ADH Concentration (pG/mL) 50 100 150 200 250 Exercise (Watts) Perrault et. al. 1989 Based on the graph above, a student could infer that an increase in exercise effects ADH secretion and the resulting water levels in the blood, respectively, in the following way Select one: a. ADH Secretion Water Levels in Blood Increases Decreases b. ADH Secretion Water Levels in Blood Increases Increases O C. ADH Secretion Water Levels in Blood Decreases Decreases d. ADH Secretion Water Levels in Blood Decreases Increasesarrow_forward
- Which routes of water gain and loss make up a much largershare of the total in a kangaroo rat than in a human?arrow_forwardA sheep consumes 2 kg DM of feed containing 75 g N/kg. The sheep excretes 60 g N in the faeces and 20 g N in the urine, what is the N-balance? Comment on the answer relating it to the domestic farm animal.arrow_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
- Prepare a list of sources of normal water gain and loss to illustrate how the input of water equals the output of water.arrow_forwardAcetazolamide is a diuretic that blocks the activity of the enzyme carbonic anhydrase inside kidney tubule cells. This blockage prevents theformation of carbonic acid from CO2 and water. Normally, carbonicacid dissociates to form H+ and HCO3−, and the H+ is exchanged forNa+ from the urine. Blocking the formation of H+ in the tubule cellsblocks Na+ reabsorption, thus inhibiting water reabsorption andproducing the diuretic effect. With this information in mind, what effectdoes acetazolamide have on blood pH, urine pH, and respiratory rate?arrow_forwardGiven the changed levels of H+, would you expect more or less acidic urine?arrow_forward
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