Term
| What part of the cell differentiates gram positive from gram negative organisms? |
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Definition
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Term
| What kind of bacterial walls contain peptidoglycan? |
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Definition
| All bacteria except Mycoplasma |
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Term
| What kind of bacterial cell walls contain teichoic acids? |
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Definition
| Gram positive bacteria only |
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Term
| What kind of bacterial cell walls contain lipopolysaccharide? |
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Definition
| Gram negative bacteria only |
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Term
| Which has a thicker cell wall- gram positive or gram negative bacteria? |
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Definition
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Term
| How many layers are in a gram positive cell wall? |
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Definition
|
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Term
| How many layers are in a gram negative cell wall? |
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Definition
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Term
| Which kind of bacterial cell wall has more peptidoglycan? |
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Definition
| Gram positive has more than 50% while gram neg has 10-20% peptidoglycan |
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Term
| Which bacteria are sensitive to penicillin- gram positive or gram negative? |
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Definition
| Gram positive bacteria are sensitive to penicillin |
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Term
| Which kind of bacteria contain protein- gram negative or gram positive? |
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Definition
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Term
| What color do gram positive bacteria stain? |
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Definition
|
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Term
| What color do gram negative bacteria stain? |
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Definition
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Term
| What are the two types of pili? |
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Definition
| common pili and sex or F pili |
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Term
| what kind of pili are multiple on cell surface and used for attachment? |
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Definition
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Term
| What does it mean if a bacteria is F+? |
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Definition
| Bacteria that carry the F plasmid are F+. The F plasmid encodes enzymes and proteins that form the sex pilus |
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Term
| What word describes a single flagellum at one end? |
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Definition
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|
Term
| Small bunches of flagella arising from one end of the cell |
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Definition
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Term
| Having flagella at both ends of the cell |
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Definition
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|
Term
| Having flagella dispersed over the surface of the cell |
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Definition
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Term
| What flagellar arrangement results in the slowest motility? |
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Definition
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Term
| How does the capsule protect the bacterial cell? |
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Definition
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Term
| What is the function of plasmids? |
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Definition
| to transfer genetic information between organisms |
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Term
| bacterial transmission from person to person |
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Definition
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Term
| bacterial transmission from mother to baby |
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Definition
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Term
| transmission of bacteria by a vehicle, airborne, or vector-borne |
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Definition
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|
Term
| Four bacterial virulence properties |
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Definition
| capsule formation, enzyme production, adherence factors, toxin production |
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|
Term
| what kind of toxins are produced by gram negative bacteria? |
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Definition
|
|
Term
| when are endotoxins released? |
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Definition
|
|
Term
| what kind of bacteria releases exotoxins? |
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Definition
|
|
Term
| when are exotoxins released? |
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Definition
| exotoxins are released by living bacteria to target specific host cells |
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|
Term
| bacteria that require oxygen to live |
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Definition
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|
Term
| bacteria that will only grow when oxygen is present in amounts below 0.2 atm |
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Definition
|
|
Term
| bacteria that will only grow when oxygen is not present |
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Definition
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|
Term
| bacteria that do not require oxygen for growth but utilize it when it's available |
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Definition
|
|
Term
| Is oxygen required for fermentation? |
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Definition
|
|
Term
| what is produced during fermentation? |
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Definition
| high concentration of strong acids |
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Term
| what are the 5 types of media? |
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Definition
| Supportive, selective, differential, enrichment, enriched |
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Term
| what kind of media contains general nutrients, supports the growth of non-fastidious bacteria, and does not give one organism an advantage? |
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Definition
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Term
| Nutrient broth/agar, trypticase soy agar, and luria burtoni are examples of what kind of media? |
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Definition
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|
Term
| what kind of media contains inhibitory agents such as dyes, bile salts, alcohol, acid or antibiotics? |
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Definition
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Term
| mannitol salt agar, hektoen-enteric agar, phenylethyl alcohol agar and campy blood agar are all examples of what kind of media? |
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Definition
|
|
Term
| what kind of media has distinguishing factors to differentiate bacteria? |
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Definition
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Term
| MacConkey agar, Mannitol-salt agar, blood agar and triple sugar iron agar are all examples of what kind of media? |
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Definition
|
|
Term
| what kind of media contains required nutrients for one particular pathogen? |
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Definition
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|
Term
| buffered charcoal yeast extract agar, enriched thayer martin agar, and selonite broth are all examples of what kind of media? |
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Definition
|
|
Term
| what kind of media contains factors to aid growth of fastidious organisms? |
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Definition
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|
Term
| blood agar and chocolate agar are both examples of what kind of media? |
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Definition
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|
Term
| What is the first test used to differentiate staphylococcus species? |
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Definition
|
|
Term
| What test differentiates between streptococcus and staphylococcus? |
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Definition
|
|
Term
| Is Staph aureus coagulase positive or negative? |
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Definition
|
|
Term
| What are the two coagulase negative staphylococci most likely to cause disease? |
|
Definition
| S. epidermidis and S. saprophyticus |
|
|
Term
| What is the most virulent Staph species? |
|
Definition
|
|
Term
| What is the function of techoic acid? |
|
Definition
| It mediates adherence as part of the cell wall |
|
|
Term
| Does Staph aureus ferment mannitol? |
|
Definition
|
|
Term
| When Staph aureus is grown on mannitol agar, what color is produced? |
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Definition
|
|
Term
| What kind of hemolysis would you see with Staph aureus? |
|
Definition
|
|
Term
| What kind of hemolysis would you see with Staph aureus? |
|
Definition
|
|
Term
|
Definition
| virulence factor of staph aureus that digests connective tissue- spreading factor |
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|
Term
|
Definition
| virulence factor of s. aureus- enzyme that digests blood clots |
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|
Term
| What gene is responsible for methicillin resistant staph aureus? |
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Definition
|
|
Term
| Which staph species causes urinary tract infections? |
|
Definition
| Staphylococcus saprophyticus |
|
|
Term
| What test uses H2O2 to see if the organism changes it into H2O and O2? |
|
Definition
|
|
Term
| Which staph species is resistant to novobiocin? |
|
Definition
| staph saprophyticus. all others are sensitive |
|
|
Term
| What group is Streptococcus pyogenes? |
|
Definition
|
|
Term
| What group is Streptococcus agalactiae? |
|
Definition
|
|
Term
| What are the two categories of Group D Strep? |
|
Definition
| Enterococcus and nonenterococcal Group D |
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