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 5, Problem 1A
An agriculture extension agent is preparing pamphlets on preventing the spread of disease. In the pamphlet, he must explain the appropriate situations for using disinfectants around the house. What situations should the agent discuss?
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In paragraph form (about 2-3 long paragraphs), how would you characterize and identify antimicrobial agents from root samples using chromatography and electrophoresis? Please be in full details.
In paragraph form (about 2-3 long paragraphs), discuss how to isolate and purify antimicrobial agents from root samples. Preferably using an extraction technique. Please discuss everything in detail and provide the DOI of the journal you sourced so I can cross-check it.
Chapter 5 Solutions
Nester's Microbiology: A Human Perspective
Ch. 5 - How is preservation different from pasteurization?Ch. 5 -
2. What is the most chemically resistant...Ch. 5 - Explain why it takes longer to kill a population...Ch. 5 - What is the primary reason that wine is...Ch. 5 -
5. What is the primary reason that milk is...Ch. 5 - When canning, why are low-acid foods processed at...Ch. 5 - How are heat-sensitive liquids sterilized?Ch. 5 -
8. How does microwaving a food product kill...Ch. 5 -
9. How is an iodophore different from a tincture...Ch. 5 - Name two products commonly sterilized using...
Ch. 5 - Unlike a disinfectant, an antiseptic a) sanitizes...Ch. 5 - The D value is defined as the time it takes to...Ch. 5 - Prob. 3MCCh. 5 - Prob. 4MCCh. 5 - Which concentration of alcohol is the most...Ch. 5 - All of the following could be used to sterilize an...Ch. 5 - All of the following are routinely used to...Ch. 5 - Aseptically boxed juices and cream containers are...Ch. 5 - Commercial canning processes are designed to...Ch. 5 -
10. Which of the following is false?
a) A...Ch. 5 - An agriculture extension agent is preparing...Ch. 5 - As a microbiologist representing a food...Ch. 5 - This graph shows the time it takes to kill...Ch. 5 -
2. This diagram shows the filter paper method...
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- In paragraph form (about 2-3 long paragraphs), how would you characterize and identify antimicrobial agents from root samples using x-ray crystallography and infrared spectroscopy? Please include the principles and the details and type specifically for the antimicrobial agents of the methodology.arrow_forwardWhat therapeutic agent is used in the given conditionsarrow_forwardYou are given a sputum sample to make serial dilutions on a Friday. The pathologist tells you that the patient is very sick so bacteria should be very concentrated you will need to dilute it (assume that the sample is concentrated at ~1x107 CFUs/mL). But you only have 2 sterile tubes to make dilutions! It is Friday and you want to go home because you are tired and/or want to go have fun with your friends. Since you don’t have time or don’t want to clean and sterilize more tubes to make more dilutions, you decide to make do with the two tubes you have available. How would you dilute your sputum sample to get a countable plate by using only two tubes for dilutions? You have to make sure you get a countable plate. You have to explain your dilutions in detail, this means you need to specify not only dilution factors but the volumes you are using to get to those dilutions.arrow_forward
- Topic: Spread-Plate Method The bacterial suspension was not spread evenly on the surface of the agar.Effect: Rationale:arrow_forwardList any disinfectant or antiseptic agents. The question is in the picture.arrow_forwardTrue / False Adding a UV disinfector to a pass-through window is NOT offer a higher level a safety for sterile processing personnel.arrow_forward
- Why are specimens for bilirubin testing protected from light? Discuss handling procedures for bilirubin samples.arrow_forwardChoose the combination of answers that most accurately completes the statement. Detergents are a. high-level germicides c. excellent antiseptics b. low-level germicides d. used in disinfecting surgical instruments followingarrow_forwardThese are examples of the 5 rules of asepsis, except: 1. Any item used for patient care or that is visibly soiled must be considered "dirty" and "contaminated" 2. If the item has been cleaned with a detergent disinfectant, it is both clean and decontaminated 3. Sterile items are devices processed by steam, dry heat, ethylene oxide or other sterilization method to kill most organisms 4. Dirty, clean and sterile items must be separated at all timesarrow_forward
- Match the phlebotomy materials found in the rows to the Collection Method found in the columns.arrow_forwardGive at least five different microbial control methods you have on your home as listed on the pre-task activity. Identify its microbial control method (Physical or chemical), Specific component (heat, phenol, etc), Mode of action (denatures protein, disrupt cell membrane, etc), Use (sterilize, disinfect, antiseptic), Level of activity (Sterilant, high, intermediate, low disinfectant) MICROBIAL CONTROL METHOD SPECIFIC COMPONENT MODE OF ACTION USE LEVEL OF ACTIVITYarrow_forwardAs an aspiring Nurse, the need for the culture of a new pathogenic microorganism in the laboratory has been allocated to you. Applying all the guidelines involved in the successful isolation and cultivation of microbes, discuss the culturing system that is most appropriate for this activity and state your reason(s) for this choicearrow_forward
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