In order to ensure accurate diagnosis, what measuresshould be taken during the collection of specimens andwhile detecting and culturing pathogens?
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In order to ensure accurate diagnosis, what measures
should be taken during the collection of specimens and
while detecting and culturing pathogens?
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Solved in 2 steps
- how might you apply Kochs postulates to a pathogen that will not grow on culture media?a specimen from an infected wound has been submitted to the clinical laboratory. explain in detail the steps necessary to identify the etiologic agent causing the infection .What are the characteristics of good indicator organisms, and whyare they monitored rather than pathogens?
- Why is direct examination of patient samples particularly usefulwhen diagnosing a mycotic infection?Which solid media is required when a fungal species needs to be identifiedand studied?If you were a quality control agent using UV sterilization in an operating theater, how would you test it's effectiveness in infection control?
- What things can be done during sample collection of a sick patient to help eliminate the culture of normal flora?A patient exhibits a boil on his neck. You, as a microbiology technician, are asked to identify the causative organism and determinewhether it is pathogenic. Describe the procedure that you would follow tomake this determination.What is the optimum growth temperature for most human pathogens? Explain.
- What are the key points necessary for proper collection ofclinical specimens, and why is it important that diagnostic testsfor these specimens are both highly specific and sensitive?What is the importance of using a test/control organism in describing the cultural characteristics of an unknown bacterium?After the original specimen has been plated and a reported gram-negative rod was seen on the initial gram stain, what is your initial assumption of the organism causing this disease?