Portage Learning: Microbiology Module 5 Questions And Answers 100% Solved

Portage Learning: Microbiology Module 5 Questions And Answers 100% Solved Define the concept of universal precautions. Universal precautions means any and all samples, whether known or unknown, are to be treated as potentially hazardous (or pathogenic) materials. What would a researcher be certain to note while analyzing a microbial sample? 1. Size and shape 2. Any observable motility 3. Gram status (positive or negative) 4. The presence of any chemical reactions 5. Changes in color localized to the organism or the surrounding media 6. Capture (or draw) images of any of the characteristics described above Which non-selective yet differential agar plate should be used if a Streptococcus sample is suspected? A BAP (blood agar plate) would be the quickest way to identify and classify a potential streptococcus microbe based on its hemolytic properties. What disease can result if a patient with streptococcal pharyngitis goes untreated? Rheumatic fever occurs in approximately 3% of untreated cases of streptococcal pharyngitis, presenting approximately 2-3 weeks post-infection. Streptococcus, E. coli, pseudomonas, and klebsiella are all capable of causing what disease? All of the above foreign microbes are capable of causing septicemia, also known as blood poisoning. What is a facultative anaerobe? A facultative anaerobe is capable of growth under both aerobic (with oxygen) and anaerobic (in the absence of oxygen) condition. How can Staphylococcus be differentially tested? Staphylococcus species are capable of growth in the presence of bile salts. A bacterial swab is taken from a patient with impetigo and streaked across an MSA plate. Following incubation at 37C, what will be the color of the agar?