study guide for micro at sanford brown
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| show | acute glomerulonephritis
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| show | deterioration of the methicillin disks
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| show | call the nursing station and request a new specimen
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| show | Streptococcus agalactiae (group B)
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| show | liquify the mucus
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| show | formaldehyde may be produced
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| show | coagglutination
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| Which of the following media is routinely used to culture Campylobacter jejuni? | show 🗑
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| show | Campylobacter fetus
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| A cell culture line commonly used for the recovery of chlamydia trachomatis from clinical specimens is: | show 🗑
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| show | zones of larger diameter would result
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| Faiure to obtain anaerobiosis in anaerobe jars is most often due to the: | show 🗑
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| show | do a tube coagulase test to confirm the slide test
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| When combined antimicrobial drugs are clearly less effective than the most active drug alone, the condition is described as: | show 🗑
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| The smallest concentration of antimicrobial agent that prevents growth in subculture or results in a 99.9% decrease of the initial inoculum is the definition of: | show 🗑
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| If the effect of combined antimicrobials id greater that the sum of the effets observed with the two drugs independently, the condition is described as: | show 🗑
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| The smallest amount of test antimicrobial that will inhibit visible growth of a microbe is the definition of: | show 🗑
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| Beta-hemolytic streptococci that are bacitracin-resistant and CAMP-positive are: | show 🗑
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| show | group A
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| show | N-acetyl-L-cystine and NaOH
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| show | enterococci often show more antibiotic resistance than other group D streptococci
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| show | coagulase production
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| show | 6% O2, 10%-15% CO2, 85%-90% nitrogen
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| Vibro parahaemolyticus can be isolated best from feces on: | show 🗑
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| show | Staphylococcus epidermidis
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| Which of the following would best differentiate Streptococcus agalactiae (Group B) from Streptococcus pyogenes (Group A)? | show 🗑
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| Characteristically, group D enterococci are: | show 🗑
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| The best medium for culture of Mycobacterium tuberculosis is: | show 🗑
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| show | Streptococcus pyogenes
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| CSF from a febrile 25-yr-old man with possible meningitis is rushed to the lab for a stat Gram stain and culture. Performing the Gram stain the tech spills most of the specimen. The smear shows many neutrophils & no microorganisms enough 4 1 plate? | show 🗑
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| show | sheep blood agar plates
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| A throat swab is submitted for anaerobic culture. This specimen should be: | show 🗑
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| show | charcoal and yeast extract.
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| show | begin organism identification
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| SPS is used as an anticoagulant for blood cultures because it: | show 🗑
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| Upon review of a sputum Gram stain, the tech notes that the nuclei of all the neutrophils present in the smear are staining dark blue. Why? | show 🗑
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| A medium that is used for primary isolation and enhances the growth of a particular organism is called: | show 🗑
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| show | pleural fluid, brain abscess
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| show | endocervical- chocolate,Thayer-Martin
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| A beta-hemolytic strep that has been isolated from an ear culture grows up to the edge of a 0.04-unit bacitracin disk. what test will determine if its an enterococcus? | show 🗑
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| In a guality control procedure on a new batch of Mueller-Hinton plates using a stock culture of Staphylococcus aureus, all the disk zone sizes are too small. The most likely reason for this is that the: | show 🗑
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| Three set of blood cultures were obtained. The aerobic bottle of one set had growth of Staphylococcus epidermidis on the 7-day subculture. This inicates that: | show 🗑
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| The procedure that ensures the most accurate results of oxacillin (methicillin) susceptibility testing against Staphylococci is: | show 🗑
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| "Nutritionally deficient" Staphylococci are: | show 🗑
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| show | pneumococci
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| Proper media for culture of a urethral discharge from a man include: | show 🗑
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| Infection of the urinary tract is most frequently associated with: | show 🗑
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| show | 10^5 CFU/mL
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| A gamma-hemolytic Streptococcus, which blackens bile esculin but does not grow in 6.5% NaCl broth, is most likely group: | show 🗑
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| show | 0 CFU/mL
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| Gram-positive cocci in chains are seen on a Gram stain from a blood culture. Further tests should include: | show 🗑
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| An aspirate of a deep wound was plated on blood agar plates aerobically and anaerobically. At 24 hours there was a growth on both plates. This indicates that the organism is: | show 🗑
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| show | novobiocin inhibition
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| The optimal incubator temperature for isolation of the Campylobacter jejuni/coli group is: | show 🗑
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| A tech is asked to clean out the chemical reagent storeroom and discard and reagents not used in the past 5 years. How should the tech proceed? | show 🗑
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| Media for screening suspects cases of hemorrhagic E coli 0157:H7 must contain: | show 🗑
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| Which selective medium is used for the isolation of gram-positive microorganisms? | show 🗑
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