Anatomy and Physiology: An Integrative Approach with Connect Access Card
3rd Edition
ISBN: 9781260254440
Author: Michael McKinley, Valerie O'Loughlin, Theresa Bidle
Publisher: McGraw-Hill Education
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Chapter 9.6, Problem 21LO
Summary Introduction
To discriminate: Between the effort arm and resistance arm in a lever.
Concept introduction: In humans, the movement of some joints uses the principle of levers. A lever can be defined as a rigid object that can rotate around the stationary fulcrum (fixed point). When the physics is related to biology, the joint axis is the fulcrum, levers are bones, motions are created by the skeletal muscles, and resistance is the weight of the body part.
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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
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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
Anatomy and Physiology: An Integrative Approach with Connect Access Card
Ch. 9.1 - Prob. 1LOCh. 9.1 - Prob. 2LOCh. 9.1 - Prob. 3LOCh. 9.1 - What is the relationship between mobility and...Ch. 9.1 - Are all fibrous joints also synarthroses? Explain...Ch. 9.2 - Prob. 4LOCh. 9.2 - Prob. 3WDLCh. 9.2 - LEARNING OBJECTIVE
5. Describe the location and...Ch. 9.2 - Prob. 4WDLCh. 9.2 - Prob. 6LO
Ch. 9.2 - Prob. 5WDLCh. 9.3 - Prob. 7LOCh. 9.3 - Prob. 1WDTCh. 9.3 - Prob. 6WDLCh. 9.3 - Prob. 8LOCh. 9.3 - Prob. 7WDLCh. 9.4 - Prob. 9LOCh. 9.4 - Prob. 10LOCh. 9.4 - Prob. 11LOCh. 9.4 - What are the basic characteristics of all types of...Ch. 9.4 - Prob. 9WDLCh. 9.4 - LEARNING OBJECTIVE
12. Explain the movement of a...Ch. 9.4 - Prob. 13LOCh. 9.4 - Prob. 2WDTCh. 9.4 - Prob. 10WDLCh. 9.5 - Prob. 14LOCh. 9.5 - Prob. 11WDLCh. 9.5 - Prob. 15LOCh. 9.5 - Prob. 16LOCh. 9.5 - Prob. 17LOCh. 9.5 - Prob. 3WDTCh. 9.5 - How do flexion and extension differ? What...Ch. 9.5 - Prob. 18LOCh. 9.5 - Prob. 13WDLCh. 9.5 - Prob. 19LOCh. 9.5 - Prob. 14WDLCh. 9.6 - Prob. 20LOCh. 9.6 - Prob. 21LOCh. 9.6 - What is the difference between the effort arm and...Ch. 9.6 - LEARNING OBJECTIVE
22. Compare and contrast the...Ch. 9.6 - Prob. 16WDLCh. 9.7 - Prob. 23LOCh. 9.7 - Prob. 24LOCh. 9.7 - Prob. 17WDLCh. 9.7 - Prob. 25LOCh. 9.7 - LEARNING OBJECTIVE
26. Explain why the...Ch. 9.7 - Prob. 18WDLCh. 9.7 - Prob. 27LOCh. 9.7 - Prob. 28LOCh. 9.7 - Prob. 19WDLCh. 9.7 - Prob. 29LOCh. 9.7 - Prob. 30LOCh. 9.7 - How do the glenohumeral and hip joints compare...Ch. 9.7 - Prob. 31LOCh. 9.7 - Prob. 32LOCh. 9.7 - What are the functions of each of the...Ch. 9.7 - LEARNING OBJECTIVE
33. Describe the talocrural...Ch. 9.7 - Prob. 22WDLCh. 9.8 - Prob. 34LOCh. 9.8 - Prob. 35LOCh. 9.8 - Prob. 23WDLCh. 9 - _____ 1. The greatest range of mobility of any...Ch. 9 - _____ 2. A movement of the foot that turns the...Ch. 9 - _____ 3. A _______ is formed when two bones...Ch. 9 - Prob. 4DYBCh. 9 - Prob. 5DYBCh. 9 - Prob. 6DYBCh. 9 - Prob. 7DYBCh. 9 - Prob. 8DYBCh. 9 - Prob. 9DYBCh. 9 - Prob. 10DYBCh. 9 - Prob. 11DYBCh. 9 - Prob. 12DYBCh. 9 - List and describe all joints that are functionally...Ch. 9 - How do a hinge joint and a pivot joint compare...Ch. 9 - Prob. 15DYBCh. 9 - Prob. 16DYBCh. 9 - Most ankle sprains are overinversion injuries....Ch. 9 - What are the main supporting ligaments of the...Ch. 9 - Prob. 19DYBCh. 9 - What are the similarities and differences between...Ch. 9 - Prob. 1CALCh. 9 - Prob. 2CALCh. 9 - Prob. 3CALCh. 9 - Prob. 4CALCh. 9 - Prob. 5CALCh. 9 - During soccer practice, Erin tripped over the...Ch. 9 - Prob. 2CSLCh. 9 - Jackie visits her physician because she is...
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