Which of these microbial structures is the most difficult to kill when attempting to sterilize instruments? bacterial spores Mycobacterium pneumoniae protozoal cysts fungal spores
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Which of these microbial structures is the most difficult to kill when attempting to sterilize instruments?
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bacterial spores |
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Mycobacterium pneumoniae |
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protozoal cysts |
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fungal spores |
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- There is definitely survival of some microorganisms even after alcohol treatment. Without staining or microscopic scrutiny, predict what types of microbes are growing on the medium where you made the right thumb impression after treatment.Microorganism Type of Microorganism Gram Stain Shape Tryptic Soy Agar McConkey Agar Blood Agar EMB Agar Mannitol Salt Agar Bacillus cereus Bacillus megaterium Bacillus subtilis Candida albicans Escherichia coli Micrococcus luteus Neisseria sicca Proteus vulgaris Pseudomonas aeruginosa Serratia marcescens Staphylococcus aureus Staphylococcus epidermidisIdentify the Gram-staining reaction of the following microbes Staphylococcus Streptococcus Bacillus Clostridium Lactobacillus Mycobacterium Rickettsia Mycoplasma Chlamydia
- Which of these structures is most resistant to chemical disinfection? (Which is hardest to kill?) fungal spores chlamydia bacteria protozoa cells bacterial sporesWhich of the following media selects for gram negative bacteria by inhibiting the growth of gram positives that typically incorporate its dye component into their relatively bigger cell walls? blood agar EMB Mannitol salt agar Simmon citrate agar urease brothWhy is a block of agar inoculated rather than streaking the fungal culture on a plate?
- In the laboratory, autoclaving is required to prepare media for the growth of microorganism. What type of method of control does this involve? Dry Heat Moist Heat Chemical Radiation All of the optionsA patient suspected to have a UTI infection had a metallic green growth on EMB agar and also had positive culture on blood agar plates. The patient was most likely infected with: Klebsiella E.coli Proteus mirabilis Enterobacter Staphylococcus saprophyticusYou are hired in one of the microbiology labs in Memphis and your first assignment to identify microbial samples from a local restaurant. You are given a set of slides and asked to classify the specimens as Gram positive or Gram negative. 6) What would be the last reagent you use to identify the bacteria? 7) What type of visual aid you need to help you see the bacterial samples clearly? 8) After the use of what reagent, you will be able to decide if you have a Gram positive or Gram negative bacteria? **Please give the answer**
- A patient is diagnosed with a urinary tract infection and a urine sample is obtained and sent to the microbiology lab. The urine sample is inoculated to agar plates and after 24 hours of incubation bacterial colonies are present on the plates. Draw what the bacterial growth on the agar plate looks like.Which of the following would you most expect to find in a fecal contaminated water sample? Gram-negative bacteria Mycorrhizal fungi Traces of ONPG and MUG Bacteria in staphylococcus arrangementIf a yellow halo is present around a colony on a mannitol salt agar (MSA) plate, the bacterium cannot ferment mannitol. true or false
