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What is NATA and when might you need a certified laboratory testing?

Answering a series of questions related to microbiology

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Added on  2020-01-23

What is NATA and when might you need a certified laboratory testing?

Answering a series of questions related to microbiology

   Added on 2020-01-23

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Running head: WRITTEN QUESTIONS1Written QuestionsStudent’s nameCourseInstitutionDate
What is NATA and when might you need a certified laboratory testing?_1
ContentsQuestion One: What is NATA and when might you need a certified laboratory testing?..4Question Two: What are some of the principles of infection control you have to considerwhen working in a microbiology laboratory?......................................................................................4Question Three: What is biological safety cabinet for?.....................................................................5Question Four: Describe how bacteria reproduce and draw the bacterial growth curve describing the difference phases and why they occur (including a diagram and description of each phase)...........................................................................................................................5Question Five: If you have a sandwich that has 3 S.aureus cells present and it was left in ideal growth conditions for 4 hours – How many generations would be present? How many cells would be now in the sandwich?..........................................................................................6Question Six: Briefly explain the difference between the reproduction of viruses, bacteria and mould..........................................................................................................................................6Question Seven: Describe the difference between pili and flagella and the different roles they play for an organism.............................................................................................................................6Question Eight: How does the concentration of solutes in a solution affect the movementof water across a semi permeable membrane of cells in that solution?....................................7Question Nine: Classification in Microbiology is based on a number of processes and principles. One species is likely to differ from another in a number of ways. Briefly explain some differences that might occur from the following criteria: Morphology, Biochemistry and Nutritional requirements.........................................................................................7Question Ten: Identify the main differences between animal, plant and bacterial cells....7Question Eleven: Draw and explain the following components of a cell. (cytoplasm, vacuole, mitochondria, nucleus)................................................................................................................8Question Twelve: Explain the process of disinfection and sterilisation. Use at least two examples of each in their practical use in production......................................................................8Question Thirteen: Explain the different ways quality assurance of media is carried out both when it is prepared and when it is used.......................................................................................9Question Fourteen: Identify at least 4 factors a microbiologist needs to consider when selecting a sampling plan for testing products and explain why..................................................9Question Fifteen: You own a small deli that has food displayed in a refrigerated cabinet. You slice meats on a slicer and prepare other ingredients by slicing on a chopping board. You use tongs to select the food for the customer and place it in containers for take away services. In this exercise you are to complete the following cleaning schedule for the deli including:...................................................................................................................................10Question Sixteen: What are the possible consequences of not following a strict cleaning regime?..............................................................................................................................................................10Question Seventeen: Briefly describe the legal responsibilities in maintaining a food production area clean and sanitised? Hint: http://www.comlaw.gov.au/Details/F2012C00774......................................................................11_____......................................................................................................................................................................11Question Eighteen: How should media be labelled and stored after preparation?............11
What is NATA and when might you need a certified laboratory testing?_2
Running head: WRITTEN QUESTIONS3Question Nineteen: Look up food standards code for microbiology found at: http://www.comlaw.gov.au/Details/ F2012C00862.....................................................................12
What is NATA and when might you need a certified laboratory testing?_3
Written QuestionsQuestion One: What is NATA and when might you need a certified laboratory testing?___ The National Association of Testing Authorities is a not-for-profit company that accredits services to inspection agents and bodies. NATA is involved in accrediting and certifying the facilities to carry out definite types of testing, inspection and connected activities. A NATA accreditation reveals that a facility is following the protocol in the right way and it maintains the correct standards. A certified laboratory testing is essential to maintain the quality of producing accurate or dependable results. Question Two: What are some of the principles of infection control you have to consider when working in a microbiology laboratory?______Infection control deals with prevention of healthcare related infections. It is practiced within a healthcare facility or a laboratory. In a microbiological laboratory, the staff membersshould be educated on following hygienic clinical practices. The equipment should be thoroughly cleaned, sterilized and stored. The sterile supplies should be separately stored and maintained The disinfection policy should be efficiently maintained The single use objects should be disposed with careThe laboratory staff should be educated on hygienic laboratory practicesQuestion Three: What is biological safety cabinet for?_______A biological safety cabinet is an enclosed workspace in a laboratory that prevents contamination. It is adequately ventilated and illuminated aiding safe work with pathogens
What is NATA and when might you need a certified laboratory testing?_4

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