Vander's Human Physiology
15th Edition
ISBN: 9781259903885
Author: WIDMAIER, Eric P., Vander, Arthur J.
Publisher: Mcgraw-hill Education,
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Chapter 9, Problem A.24RQ
Summary Introduction
To determine: The component of skeletal muscle fibers accounts for the differences in the fiber’s maximal shortening velocities.
Introduction: In an adult, 40 to 50% body weight is contributed by skeletal muscles. The primary cells that form a skeletal muscle is the skeletal muscle fibers. They perform functions such as body movement, posture maintenance, support and protection, heat production, and regulating elimination of materials.
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a. What percentage of a drug is eliminated after 4 half-lives? Please round to the nearest percent.
b. What will happen to elimination of the drug in the previous question if the system is saturated? explain and show any math involved
If you wanted to reduce the difference between peak and trough levels that occur with repeated administration of a drug, how would you adjust the dose and dose interval without changing the plateau concentration (plateau is the average of peak and trough levels)? Select your answers for both dose and interval. Hint: It may be helpful to think about this problem using an example such as food. How would you eat if you wanted to maintain very steady hunger/satiety levels without changing your total caloric intake?
Options:
A. Dose; Increase dose
B. Dose; Decrease dose
C. Dose; Do not change dose
D. Interval; Increase the interval between doses (give the drug less frequently)
E. Interval; Decrease the interval between doses (give the drug more frequently)
F. Interval; Do not change the interval
What percentage of a drug is eliminated after 4 half-lives? Please round to the nearest percent. Show the math
Chapter 9 Solutions
Vander's Human Physiology
Ch. 9 - Prob. 1PICh. 9 - Prob. 2PICh. 9 - If the ACh receptor channel is equally permeable...Ch. 9 - Prob. 4PICh. 9 - Prob. 5PICh. 9 - Under certain experimental conditions, it is...Ch. 9 -
Figure 9.16 (a) Measurement of tension during a...Ch. 9 - Prob. 8PICh. 9 - Prob. 9PICh. 9 - Prob. 10PI
Ch. 9 - Prob. 11PICh. 9 - Prob. 12PICh. 9 - Prob. 13PICh. 9 - List the three types of muscle cells and their...Ch. 9 - Prob. A.2RQCh. 9 - Describe the organization of myosin, actin,...Ch. 9 - Prob. A.4RQCh. 9 - Describe the structure and function of the...Ch. 9 - Define motor unit and describe its structure.
Ch. 9 - Describe the sequence of events by which an action...Ch. 9 - What is an end-plate potential, and what ions...Ch. 9 - Prob. A.9RQCh. 9 - What prevents cross-bridges from attaching to...Ch. 9 - Prob. A.11RQCh. 9 - Prob. A.12RQCh. 9 - Prob. A.13RQCh. 9 - Prob. A.14RQCh. 9 - Prob. A.15RQCh. 9 - Describe isometric, concentric, and eccentric...Ch. 9 - Prob. A.17RQCh. 9 - Prob. A.18RQCh. 9 - Prob. A.19RQCh. 9 - Prob. A.20RQCh. 9 - Prob. A.21RQCh. 9 - What fuel molecules are metabolized to produce ATP...Ch. 9 - Prob. A.23RQCh. 9 - What component of skeletal muscle fibers accounts...Ch. 9 - Summarize the characteristics of the three types...Ch. 9 - Prob. A.26RQCh. 9 - Prob. A.27RQCh. 9 - Prob. A.28RQCh. 9 - Prob. A.29RQCh. 9 - Prob. A.30RQCh. 9 - Prob. A.31RQCh. 9 - Prob. A.32RQCh. 9 - Prob. 14PICh. 9 - Prob. B.1RQCh. 9 - Prob. B.2RQCh. 9 - Prob. B.3RQCh. 9 - Prob. B.4RQCh. 9 - Prob. B.5RQCh. 9 - Prob. B.6RQCh. 9 - Prob. B.7RQCh. 9 - Prob. B.8RQCh. 9 - Prob. B.9RQCh. 9 - Explain why cardiac muscle cannot undergo tetanic...Ch. 9 - Prob. 1RRCh. 9 - Prob. 2RRCh. 9 - Prob. 1RCCh. 9 - Prob. 2RCCh. 9 - Prob. 3RCCh. 9 - Prob. 4RCCh. 9 - Prob. 5RCCh. 9 - Prob. 6RCCh. 9 - Prob. 7RCCh. 9 - Prob. 8RCCh. 9 - Prob. 9RCCh. 9 - Prob. 10RCCh. 9 - Prob. 11RCCh. 9 - Prob. 1AAECh. 9 - Prob. 2AAECh. 9 - Prob. 3AAECh. 9 - Prob. 4AAECh. 9 - Prob. 5AAECh. 9 - Prob. 6AAECh. 9 - Prob. 7AAECh. 9 - Prob. 8AAECh. 9 -
If a single twitch of a skeletal muscle fiber...Ch. 9 - Prob. 10AAECh. 9 - Prob. 1GPACh. 9 - Prob. 2GPACh. 9 - Prob. 3GPA
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