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29 Cards in this Set
- Front
- Back
The surgeon who advocated using disinfectants on hands and in the air prior to surgery
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Joseph Lister
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This scientist used swan-neck flasks in his experiments to prove that dust in air was a source of living microorganisms
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Louis Pasteur
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This organelle is found in algae but not in fungi or protozoa
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chloroplast
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This method often results in colonies developing down throughout the agar and some colonies on the surface
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pour-plate technique
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This chemical is added to nutrient media intended to grow anaerobes
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Thioglycollic acid
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This refers to the microscope's ability to show two separate entities as separate and distinct
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resolution/resolving power
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Fungi that grow as yeast at one temperature but will grow as mold at another temperature are called this
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dimorphic
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Viruses that cause infection resulting in alternating periods of activity with symptoms and inactivity without symptoms are called
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latent
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A hollow tube structure used by bacterial cells to exchange genetic material during conjugation
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pili
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Bacteria with a single tuft of flagella on one end
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lophotrichous
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The organelles responsible for protein synthesis
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ribosomes
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Gram positive bacteria have a thick layer of this in their cell wall
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peptidoglycan
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The mode of action for penicillins and cephalosporins
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block cell wall synthesis
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This class of drugs act by blocking folic acid synthesis and in turn DNA and RNA synthesis
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sulfonomides
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These microbial forms have the highest resistance to physical and chemical controls
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bacterial endospores
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The process that destroys or removes all microorganisms and microbial forms including bacterial endospores
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sterilization
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The process of using a cleansing technique to mechanically remove and reduce microorganisms and debris to safe levels is called this
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sanitization
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The use of a physical or chemical process to destroy vegetative pathogens is called this
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disinfection
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The use of chemical agents directly on exposed body surfaces to destroy or inhibit vegetative pathogens is
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antiseptic
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The sterilizing gas used in chemiclaves is this
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ethylene oxide
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This drug is used to treat cases of tuberculosis
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isoniazid
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The mode of action of aminoglycosides
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bind to the A-site of the 30s subunit of bacterial ribosomes; block protein synthesis
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The antifungal drug that can be used to treat serious systemic fungal infections is
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amphotericin B
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The drug used for several protozoan infections is
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metronidazole
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Acyclovir is used to treat this virus
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herpes zoster virus
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A clinical microbiologist makes serial dilutions of several antimicrobics in broth, then incubates each drug dilution series with a standard amount of a patient's isolated pathogen. What is this microbiologist setting up?
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MIC
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A ratio of the dose of the drug that is toxic to humans versus the minimum effective dose for that pathogen is assessed to predict the potential for toxic drug reactions. This is called the
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therapeutic index (TI)
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Unwanted microbes present on or in a substance are called this
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microbial contaminants
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The mode of action of fluoroquinolones
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These antibiotic drugs inhibit the bacterial DNA gyrase enzyme which is necessary for DNA replication
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