Nester's Microbiology: A Human Perspective
9th Edition
ISBN: 9781259709999
Author: Denise G. Anderson Lecturer, Sarah Salm, Deborah Allen
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 4, Problem 2A
High-performance boat manufacturers know that microbes can collect on a boat, ruining its hydrodynamic properties. A boat-manufacturing facility recently hired you to help with this problem because of your
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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 4 Solutions
Nester's Microbiology: A Human Perspective
Ch. 4 - Describe a detrimental and a beneficial effect of...Ch. 4 - Define a pure culture.Ch. 4 - Prob. 3SACh. 4 - Explain how the environment of a colony differs...Ch. 4 - Prob. 5SACh. 4 - Why would botulism be a concern with canned foods?Ch. 4 - Explain why O2-containing atmospheres kill some...Ch. 4 - Explain why photoautotrophs are primary producers.Ch. 4 - Distinguish between a selective medium and a...Ch. 4 - Prob. 10SA
Ch. 4 - Prob. 1MCCh. 4 - Compared with their growth in the laboratory,...Ch. 4 -
3. Cells are most sensitive to penicillin during...Ch. 4 - Which best describes the intestinal tract? a) An...Ch. 4 - E. coli, a facultative anaerobe, is grown for 24...Ch. 4 - The generation time of a bacterium was measured at...Ch. 4 - Which of the following is false? a)E. coli grows...Ch. 4 -
8. If the pH indicator were left out of MacConkey...Ch. 4 -
9. A soil sample is placed in liquid and the...Ch. 4 -
10. If the concentration of E. coli in a broth is...Ch. 4 -
1. You are a microbiologist working for a...Ch. 4 - High-performance boat manufacturers know that...Ch. 4 - This figure shows a growth curve plotted on a...Ch. 4 - Prob. 2CT
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