Pearson eText Human Physiology: An Integrated Approach -- Instant Access (Pearson+)
8th Edition
ISBN: 9780135212905
Author: Dee Silverthorn
Publisher: PEARSON+
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Textbook Question
Chapter 1.6, Problem 5CC
Students in the laboratory run an experiment in which they drink different volumes of water and measure their urine output in the hour following drinking. What are the independent and dependent variables in this experiment?
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A 65-kg man is participating in a research study for
which it is necessary to know the volumes of his body
fluid compartments. To measure these volumes, the
man is injected with 100 mci (millicurie) of H0 and
500 mg of mannitol. During a 2-hour equilibration
period, he excretes 10% of the H,0 and 10% of the
mannitol in his urine. Following equilibration, the
concentration of H,0 in plasma is 0.213 mCi/100 ml
and the concentration of mannitol is 3.2 mg/100 mL.
• What is his total body water, his ECF volume, and his
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Diabetes insipidus (DI) is a condition where the action of antidiuretic hormone (vasopressin) is inhibited. If normal urine concentration is 300 mOsm/L, what would you expect the urine concentration to be of a patient with DI?
A 65-kg man is participating in a research study for
which it is necessary to know the volumes of his body
fluid compartments. To measure these volumes, the
man is injected with 100 mCi (millicurie) of H20 and
500 mg of mannitol. During a 2-hour equilibration
period, he excretes 10% of the H,0 and 10% of the
mannitol in his urine. Following equilibration, the
concentration of H,0 in plasma is 0.213 mCi/100 mL
and the concentration of mannitol is 3.2 mg/100 mL.
What is his total body water, his ECF volume, and his
ICF volume? Is the man's total body water appropriate
for his weight?
Chapter 1 Solutions
Pearson eText Human Physiology: An Integrated Approach -- Instant Access (Pearson+)
Ch. 1.4 - If a person eats 12 milligrams (mg) of salt in a...Ch. 1.4 - Glucose is metabolized to CO2 and water. Explain...Ch. 1.5 - What is the drawback of having only a single...Ch. 1.5 - Prob. 4CCCh. 1.6 - Students in the laboratory run an experiment in...Ch. 1 - Define physiology. Describe the relationship...Ch. 1 - Name the different levels of organization in the...Ch. 1 - Prob. 3RQCh. 1 - Prob. 4RQCh. 1 - Define homeostasis. Name some regulated variables...
Ch. 1 - Name four major themes in physiology.Ch. 1 - Put the following parts of a reflex in the correct...Ch. 1 - The name for daily fluctuations of body functions...Ch. 1 - Mapping exercise: Make a large map showing the...Ch. 1 - Distinguish between the items in each group of...Ch. 1 - Name as many organs or body structures that...Ch. 1 - Prob. 12RQCh. 1 - Explain the differences among positive feedback,...Ch. 1 - A group of biology majors went to a mall and asked...Ch. 1 - Although dehydration is one of the most serious...Ch. 1 - Prob. 16RQCh. 1 - You performed an experiment in which you measured...Ch. 1 - Prob. 18RQCh. 1 - Prob. 19RQ
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