MICRO: Buzz Words

Question 1

Daycare, F-Actin polymerization, Reiter syndrome, watery diarrhea that turns bloody (50%)

Answer 1

Shigella

Question 2

Non-sorbitol fermenting, shiga toxin, pedestal, hemorrhagic colitis in 24 hr., HUS, NO antibiotics

Answer 2

EHEC

Question 3

Young children in developing country, illness like shigella, migrate into adjacent cells

Answer 3

EIEC

Question 4

developed countries, chicken/milk, 10+ BM/day (bloody 50% kids, 15% adults), Guillain Barre

Answer 4

Campylobacter Jejuni

Question 5

Pet turtle, sickle cell osteomyelitis, aortic plaques and bone prostheses

Answer 5

Salmonella enteritidis

Question 6

Europe, lymphoid tissue hyperplasia, appendicitis mimic

Answer 6

Yersinia enterocolitica

Question 7

Typhoid fever (NO gastroenteritis), fever with BRADYCARDIA, south-central Asia

Answer 7

Salmonella enterica (serotype typhimurium)

Question 8

Hospitalized patients on antibiotics, exotoxin A &B, 10-15 BM/day, pseudomembranous colitis, toxic megacolon

Answer 8

C. diff

Question 9

Spores, reheated fried rice, diarrheal/emetic (cereulide) toxin, vomiting and diarrhea in HOURS

Answer 9

Bacillus cereus

Question 10

Japanese shellfish handlers, bullous skin lesions, fatal sepsis in immunocompromised (alcoholics)

Answer 10

vibrio vulnificus

Question 11

Babies in developing countries, LEE (pedestals)

Answer 11

EPEC

Question 12

Potato salad at picnic, N/V and diarrhea in 1-6 hours, enterotoxin (increases IL-1 and IL-12)

Answer 12

Staph aureus

Question 13

Traveler’s diarrhea, toxin mediatied (ST and LT increased chloride secretion)

Answer 13

ETEC

Question 14

Japan, shellfish at beach in summer, worse with liver disease, wound infections

Answer 14

Vibrio parahemolyticus

Question 15

Traveler’s diarrhea, AIDS patients

Answer 15

EAEC

Question 16

Epidemics, O1 (E1tor, classic), O139 (bad), rice water stool, cholera toxin (AB), deadly

Answer 16

vibrio cholera

Question 17

Duodenal/gastric ulcers, urease, gastric adenocarcinoma and lymphomas

Answer 17

H. pylori

Question 18

Spore former, box-car bacilli, gas gangrene, NOT preformed enterotoxin

Answer 18

Clostridium perfringens

Question 19

Disease above the diaphragm, periorgital abscess

Answer 19

Prevotella melaninogenica

Question 20

Nail wounds, skin popping, AB neurotoxin (cleaves SNAREs to inhibit GABA and glycine), Rigid paralysis

Answer 20

Clostridium tetani

Question 21

Surgery/trauma/chronic disease, capsule, abscess forming, penicillin resistance

Answer 21

Bacteriodes fragilis

Question 22

Canned food, black tar heroin users, floppy baby, flaccid paralysis

Answer 22

Clostridium Botulinum

Question 23

Cruise ships, sudden N/V and diarrhea, adults, antigenic drift

Answer 23

Norovirus

Question 24

Severe diarrhea in infants and children, November to April, asymmetric mRNA synthesis, 4 serotypes cause disease, shift and drift, NSP4

Answer 24

Rotavirus

Question 25

Star like on EM, children under 5, peak in winter

Answer 25

human astrovirus 1-8

Question 26

Segmented SS RNA virus, replication in lymphoid tissue, large number of serotypes

Answer 26

enterovirus

Question 27

DNA virus, hemagglutinin, infants and children <4

Answer 27

Adenovirus 40, 41