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First Aid: Microbiology > Systems > Flashcards

Flashcards in Systems Deck (64)
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1

Normal flora: dominant 

skin 

S. epidermidis 

2

Normal flora: dominant 

nose

S. epidermidis 

colonized by S. aureus 

3

Normal flora: dominant 

oropharynx 

Viridans group streptococci 

4

Normal flora: dominant 

dental plaque

S. mutans

5

Normal flora: dominant 

colon

B. fragilis > E. coli 

6

Normal flora: dominant 

vagina 

Lactobacillus

colonized by E. coli & group B strep 

7

food poisoning 

reheated rice 

B. cereus 

8

food poisoning 

improperly canned foods 

C. botulinum

9

food poisoning 

reheated meat dishes 

C. perfringens

10

food poisoning 

undercooked meat

E. coli 

O157:H7

11

food poisoning 

poultry, meat, eggs

Salmonella 

12

food poisoning 

meats. mayonnaise, custard

preformed toxin

S. aureus 

13

food poisoning 

contaminated seafood 

V. parahaemolyticus 

V. vulnificus 

14

bugs causing bloody diarrhea 

  • Campylobacter
  • E. histolytica
  • EHEC
  • EIEC
  • Salmonella
  • Shigella
  • Y. enterocolitica 

15

bugs causing watery diarrhea 

  • C. difficile
  • C. perfringens
  • ETEC
  • Protozoa 
  • V. cholerae
  • Viruses

16

common causes of pneumonia 

neonates (<4 wks)

  • Group B streptococci 
  • E. coli 

17

common causes of pneumonia 

children (4 wks - 18 yrs)

Runts May Cough Chunky Sputum 

  • Viruses (RSV)
  • Mycoplasma
  • C. trachomatis (infants - 3 yrs)
  • C. pneumoniae (school-aged children)
  • S. pneumoniae 

18

common causes of pneumonia 

adults (18-40 YO)

  • Mycoplasma
  • C. pneumoniae
  • S. pneumoniae 

19

common causes of pneumonia

adults (40-65 YO)

  • S. pneumoniae 
  • H. influenzae
  • Anaerobes
  • Viruses
  • Mycoplasma

20

common causes of pneumonia

elderly 

  • S. pneumoniae
  • Influenza virus 
  • Anaerobes
  • H. influenzae 
  • Gram-negative rods

21

pneumonia 

alcoholic/IV drug user 

  • S. pneumoniae 
  • Klebsiella
  • Staphylococcus 

22

pneumonia 

aspiration

Anaerobes

23

pneumonia 

atypical 

  • Mycoplasma
  • Legionella
  • Chlamydia 

24

pneumonia

cystic fibrosis 

  • Pseudomonas
  • S. aureus
  • S. pneumnoiae 

25

pneumonia 

immunocompromised 

  • Staphylococcus 
  • Enteric gram-negative rods 
  • Fungi
  • Viruses
  • P. jirovecii (w/ HIV)

26

pneumonia 

nosocomial 

  • Staphylococcus 
  • Pseudomonas
  • Other enteric gram negative rods 

27

pneumonia 

post-viral 

  • Staphylococcus 
  • H. influenzae 
  • S. pneumoniae 

28

common causes of meningitis 

newborn (0-6 mo)

  • Group B streptococci 
  • E. coli
  • Listeria 

29

common causes of meningitis 

children (6 mo - 6 yrs)

  • S. pneumoniae
  • N. meningitidis
  • H. influenzae type B
  • Enteroviruses

30

common causes of meningitis 

6 - 60 YO

  • S. pneumoniae 
  • N. meningitidis (#1 in teens)
  • Enteroviruses
  • HSV