CAMPBELL BIOLOGY:CONCEPTS+CONNECTIONS
10th Edition
ISBN: 9780136538875
Author: Taylor
Publisher: INTER PEAR
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Chapter 29, Problem 9TYK
Hold your right eye closed. With your left eye, look at the +in the image below. Starting from about two feet away, slowly bring your head closer while looking at the +. What happens to the dot when you get close to the image? What property of the eye’s structure does this exercise demonstrate?
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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 29 Solutions
CAMPBELL BIOLOGY:CONCEPTS+CONNECTIONS
Ch. 29 - Prob. 1CCCh. 29 - Which of the following sensory receptors is...Ch. 29 - Which of the following are not known to be present...Ch. 29 - What do the receptor cells in the lateral line...Ch. 29 - If you look away from this book and focus your...Ch. 29 - Prob. 6TYKCh. 29 - Prob. 7TYKCh. 29 - Prob. 8TYKCh. 29 - Hold your right eye closed. With your left eye,...Ch. 29 - Construct a graph in which membrane potential is...
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