what practical importance are air-borne microorganisms to the laboratory workers? What precautions should be taken to control laboratory contaminants?
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what practical importance are air-borne microorganisms to the laboratory workers?
What precautions should be taken to control laboratory contaminants?
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- Of what practical importance are air borne microorganisms to the laboratory workers? What precautions should be taken to control laboratory contaminants? What precautions should be taken to control laboratory contaminants? Of what advantage is the using a solid and a liquid medium?Of what practical importance are air borne microorganisms to the laboratory workers? What precautions should be taken to control laboratory contaminants? Why are petri dishes incubated in an inverted position? Of what advantage is the using a solid and a liquid medium?Of what practical importance are air borne microorganisms to the laboratory workers? What precautions should be taken to control laboratory contaminants? Of what advantage is the using a solid and a liquid medium?
- Aseptic technique refers to A) the microbial inoculum placed into a test tube or onto a Petri plate. B) a series of practices to avoid contamination. C) the autoclave and other sterilizing procedures. D) cleanliness in the laboratory.What is the most commonly used fixative in stool samples and why? Why is staining of stool samples very important in identifying parasites? Why is direct fecal smear a routine procedure in the parasitology section?Work is being done with Mycobacterium tuberculosis in the microbiology laboratory. It is important to prioritize safety when working in the laboratory since the pathogen can produce high risks. Thus, the following protective materials should be present in the laboratory, EXCEPT:AutoclaveEffluent decontamination system Air-purifying respiratorPositive pressure protective s
- A) Sterile compounding facilities must use the garbing order specified in the USP standards. B) A gown may be reused for an entire shift if not visibly soiled. C)Staff are evaluated on garbing technique using surface sampling. D) Gloves should be donned inside of the laminar airflow workbench (LAFW).What are some characteristics of microbes and infectious agents that would require handling in a BSL-3 laboratory? What is the purpose of degerming? Does it completely eliminate microbes? What are some factors that alter the effectiveness of a disinfectant? When plotting microbial death curves, how might they look different for bactericidal versus bacteriostatic treatments? What are the benefits of cleaning something to a level of cleanliness beyond what is required? What are some possible disadvantages of doing so?Listen Which of the following methods of microbial control is used most often with surgical equipment? a) autoclave b) sugar and salting c) dessication d) lyophilization
- Which of these microbial structures is the most difficult to kill when attempting to sterilize instruments? bacterial spores Mycobacterium pneumoniae protozoal cysts fungal sporesPlastic pipet tips for micropipettes are commonly supplied in packs of 100’s. Once the pack has been opened, contamination is assumed. How can sterility of the pipet tips be ensured prior to use in microbiological procedures? METHOD:RATIONALE:The nurse is reviewing the medication history of a patient who is taking hydroxychloroquine. However, the patient’s chart does not reveal a history of malaria or travel out of the country. The patient is most likely taking this medication for a) Plasmodium.b) thyroid disorders.c )roundworms.d) rheumatoid arthritis.