Microbiology Systems I

Question 1

skin flora

Answer 1

staph epidermidis

Question 2

nose flora

Answer 2

staph epidermidis

colonized by staph aureus

Question 3

oropharynx flora

Answer 3

viridans group strep

Question 4

dental plaque flora

Answer 4

strep mutans

Question 5

colon flora

Answer 5

bacteroides fragilis > E. coli

Question 6

vagina flora

Answer 6

lactobacillus

colonized by E. coli and group B strep

Question 7

neonates C section

Answer 7

no flora

-rapidly colonized after birth

Question 8

reheated rice food poisoning

Answer 8

bacillus cereus

start fast, end fast

Question 9

canned food

Answer 9

clostridium botulinum

Question 10

raw honey

Answer 10

clostridium botulinum

Question 11

reheated meat

Answer 11

clostridium perfringes

Question 12

undercooked meat

Answer 12

E. coli O157:H7

Question 13

poultry meat egg

Answer 13

salmonella

Question 14

meat, mayo, custard

Answer 14

staph aureus

start fast end fast

Question 15

contaminated seafood

Answer 15

vibrio parahaemolyticus

vibrio vulnificus

Question 16

bloody diarrhea, comma or S shaped

growth at 42 (warm)

Answer 16

campylobacter

Question 17

bloody diarrhea, protozoan, liver abscess

Answer 17

entamoeba histolytica

Question 18

bloody diarrhea, HUS, shiga-like toxin

Answer 18

ETEC - 0157H7

Question 19

bloody diarrhea, invade colon mucosa

Answer 19

EIEC

Question 20

bloody diarrhea, lactose negative, flagella, animal reservoir

Answer 20

salmonella

Question 21

bloody diarrhea, lactose negative, low infective dose

Answer 21

shigella

Question 22

bloody diarrhea, daycare outbreak, pseudoappendicitis

Answer 22

yersinia enterocolitica

Question 23

pseudomembranous colitis after antibiotics

Answer 23

clostridium dificile

Question 24

gas gangrene

Answer 24

clostridium perfringes

Question 25

travelers diarrhea

Answer 25

ETEC - heat stable and heat labile watery diarrhea

Question 26

watery diarrhea, protozoa

Answer 26

giardia | cryptosporidium

Question 27

watery diarrhea, rice water stools, comma shaped organism

Answer 27

vibrio cholera

Question 28

watery diarrhea from virus

Answer 28

rotavirus norovirus adenovirus

Question 29

pneumonia in neonates (

Answer 29

group B strep | E. coli

Question 30

pneumonia in children - 4 weeks > 18yo

Answer 30

``` RSV mycoplasma Chlamydophila trachomatis (infant > 3ry) chlamydophila pneumoniae (school-aged kids) Strep pneumo ```

Question 31

pneumonia in adults - 18yr to 40yr

Answer 31

mycoplasma chlamydophila pneumonia strep pneumonia

Question 32

pneumonia in adults 40yo - 65yo

Answer 32

``` strep pneumo haem influenza anaerobes viruses mycoplasma ```

Question 33

pneumonia in elderly

Answer 33

``` strep pneumo influenza viru anaerobes haem influenza gram-neg rods ```

Question 34

pneumonia in alcoholic or IV drug user

Answer 34

strep pneumo klebsiella staph aureus

Question 35

aspiration pneumonia

Answer 35

anaerobes - peptostreptococcus - fusobacterium - prevotella - bacteroides

Question 36

atypical pneumonia

Answer 36

mycoplasma legionella chlamydia

Question 37

cystic fibrosis pneumonia

Answer 37

pseudomonas aeruginosa staph auerues strep pneumo

Question 38

immunocompromised pneumonia

Answer 38

``` staph aureus enteric gram neg rods fungi viruses pneumocystic jirovecii - HIV ```

Question 39

hospital acquired pneumonia

Answer 39

staph aureus | pseudomonas

Question 40

postviral pneumonia

Answer 40

staph aureus haem influenza strep pneumo