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50 Cards in this Set

  • Front
  • Back

What are obligate anaerobes?

Bacteria that will not grow and are poisoned by oxygen

What do obligate anaerobes lack?


Superoxide dismutase

What does Clostridium botulinum cause?

Botulism (intoxication in adults)

Infant botulism (infection from honey)

True or False: Clostridium botulinum is not a select agent.


Is there an antitoxin available for Clostridium botulinum?


What does Clostridium perfringens cause?

Gas gangrene and food-borne illness

What does Clostridium tetani cause?

Tetanus (lock jaw)

Neonatal tetanus

What produces spastic paralysis due to Clostridium tetani?

Tetanospasmin (TT)

What vaccine is available for Clostridium tatani?

The Toxoid Vaccine in DTaP

What is the clinical manifestation of Clostridium difficile?

Antibiotic associated pseudomembranous colitis

True or False: Bacteroides fragilis are rarely found in the colon.


What can Baceroides fragilis cause?

Mixed infections

Intra-abdominal abscesses

Pleuropulmonary infections


What do G(+) Cocci grow on?

Sheep blood agar

What media is used to grow Staph species?

Mannitol Salt Agar plate

Is Staph catalase + or -?


Is Strep catalase + or -?


True or False: Staphylococcus aureus is a major pathogen that causes many infections


Is Staphylococcus aureus coagulase + or -?


What organism is part of the normal flora of our skin?

Staphylococcus epidermidis

Where are most infections of Staphylococcus epidermidis found?

Implanted catheters

Prosthetic devices

What percent of primary UTIs in young women are caused by Staphylococcus saprophyticus?

10 to 20%

True or False: Staphylococcus saprophyticus is a uropathogen


What classification is Streptococcus pyogenes?

Group A; beta hemolytic

What is the most common clinical manifestation of Streptococcus pyogenes?

Strep throat

Is Streptococcus pyogenes Bacitracin + or -?


True or False: Streptococcus pyogenes is phagocytic

False: It is antiphagocytic

What classification is Streptococcus agalactiae?

Group B; Beta hemolytic

What does Streptococcus agalactiae cause?

Neonatal sepsis

Meningitis in babies born to mothers with Group B in the vagina

Is Streptococcus agalactiae CAMP + or -?


Is Streptococcus agalactiae Bacitracin + or -?


What classification is Enterococcus fecalis?

Group D

Hemolysis varies

What does Enterococcus fecalis cause?


Subacute bacterial endocardisis (SBE)

What is Enterococcus fecalis resistant to?


What does Viridans streptococci cause?

strep of the mouth


Dental caries

Is Viridans streptococci Optochin + or -?


Is Viridans streptococci resistant to bile?


What does Streptococcus pneumoniae cause?

Lobar pneumonia



Otitis media


What is the major virulence factor of Streptococcus pneumoniae?

It is encapsulated (~90)

What type of vaccines are used for Streptococcus pneumoniae?


Conjugated Capsule (CC)

Is Streptococcus pneumoniae Optochin + or -?


Is Streptococcus pneumoniae resistant to bile?

No; it is bile soluble

How are G(-) Cocci shaped?

Like a coffee bean

True or False: Important G(-) Cocci are aerobic fastidious.


What do G(-) Cocci grow on?

Modified Thayer Martin (chocolate plate)

Are G(-) Cocci oxidase + or -?


What does Neisseria gonorrhoeae cause?

Gonorrhea, proctitis, salpingitis, and pelvic inflammatory disease

What can infection with Neisseria gonorrhoeae lead to?

Skin lesions



Does Neisseria meningitidis cause meningitis?


What is the only epidemic bacterial meningitis?

Neisseria meningitidis

What vaccines are used for Neisseria meningitidis?


CC Vaccines