Prescott's Microbiology
11th Edition
ISBN: 9781260211887
Author: WILLEY, Sandman, Wood
Publisher: McGraw Hill
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Chapter 41, Problem 3AL
Keep a record of what you eat for a day or two. Determine if the food, beverages, and snacks you ate were produced (at any level) with the aid of microorganisms. Indicate at what levels microorganisms were deliberately used. Be sure to consider ingredients such as citric acid, which is produced at the industrial level by several species of
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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 41 Solutions
Prescott's Microbiology
Ch. 41.1 - What are some intrinsic factors that influence...Ch. 41.1 - How would the spoilage of bread differ from that...Ch. 41.1 - Why do sausage and other ground meat products...Ch. 41.1 - What extrinsic factors can determine whether food...Ch. 41.2 - MICRO INQUIRY Canned products such as vegetable...Ch. 41.2 - Prob. 1CCCh. 41.2 - What types of chemicals can be used to preserve...Ch. 41.2 - What cellular component does HHP target? What is...Ch. 41.2 - How does nisin function? What bacterial genus...Ch. 41.2 - Prob. 5CC
Ch. 41.2 - What are the major gases involved in MAP? How are...Ch. 41.3 - MICRO INQUIRY What foods are most prone to...Ch. 41.3 - What is the difference between a food-borne...Ch. 41.3 - What practical recommendations regarding food...Ch. 41.3 - Prob. 3CCCh. 41.3 - Members of what microbial genus produce fumonisins...Ch. 41.4 - MICRO INQUIRY Why is it important that PulseNet...Ch. 41.4 - Prob. 1CCCh. 41.4 - Prob. 2CCCh. 41.4 - Prob. 3CCCh. 41.5 - Can you name at least two features that make these...Ch. 41.5 - What are the major types of milk fermentations?Ch. 41.5 - What are the major types of milk fermentations?Ch. 41.5 - What major steps are used to produce cheese? How...Ch. 41.5 - Prob. 4CCCh. 41.5 - Describe and contrast the processes of wine and...Ch. 41.5 - Prob. 6CCCh. 41 - Prob. 1RCCh. 41 - Prob. 2RCCh. 41 - Prob. 3RCCh. 41 - Prob. 4RCCh. 41 - Prob. 5RCCh. 41 - Prob. 6RCCh. 41 - Prob. 7RCCh. 41 - Compare the sell-by date of a package of hot dogs...Ch. 41 - You are going through a salad line in a cafeteria...Ch. 41 - Keep a record of what you eat for a day or two....Ch. 41 - During cheese production, LAB convert lactose to...Ch. 41 - Prob. 5AL
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