Micro review: Ryan

Question 1

Which E. coli strain does not ferment sorbitol?

Answer 1

EHEC O157:H7

Question 2

ETEC Pathogenesis?

Answer 2

Heat-labile and heat stable toxin

Question 3

EPEC Pathogenesis?

Answer 3

Attaching/effacing lesions

Question 4

EIEC Pathogenesis?

Answer 4

Similar to shigella; intracellular mult., extends into adjacent cells

Question 5

EHEC Pathogenesis?

Answer 5

Attaching/effacing lesion, Shiga toxin

Question 6

EAEC Pathogenesis?

Answer 6

Pathogenesis not well understool

Question 7

S. enteriditis Pathogenesis?

Answer 7

Type III secretion system for bacterial protein transfer and macrophage killing.

Question 8

Shigella Pathogenesis?

Answer 8

F actin polymerization w/ protrusion formation

Question 9

S. enterica Pathogenesis?

Answer 9

bacteria engulfed by MPs in luymoh tissye and disseminate to lymph nodes and RES

Question 10

B. cereus Pathogenesis?

Answer 10

Direct ingestion of heat stable toxin

Question 11

V. cholerae Pathogenesis?

Answer 11

AB toxin causes persisten stimulation of AC

Question 12

Yersinia reservoir?

Answer 12

Pork

Question 13

EHEC reservoir?

Answer 13

Ground beef

Question 14

Salmonella reservoir?

Answer 14

Eggs

Question 15

V. cholerae reservoir?

Answer 15

Water

Question 16

Campylobacter reservoir?

Answer 16

Chicken

Question 17

V. parahaemolyticus reservoir?

Answer 17

Shellfish

Question 18

S. aures reservoir?

Answer 18

Room temp dairy

Question 19

B. cereus reservoir?

Answer 19

Rice

Question 20

Anemia and thrombocytopenia?

Answer 20

EHEC O157:H7 or Shigella dysentariae

Question 21

Ascending paralysis

Answer 21

Campylobacter

Question 22

Massive watery diarrhea w/ dehydration and death in all ages

Answer 22

V. cholerae

Question 23

Severe skin/soft tissue infxn w/ spetic shick

Answer 23

V. vulnificus or C. perfringens

Question 24

Tx of Shigella?

Answer 24

Shorten course, reduce shedding. Ceftriaxone, Cipro, Azithro

Question 25

Tx of Salmonella entertitis

Answer 25

Only if immunocompromised. Fluoros

Question 26

C. diff Tx

Answer 26

Flagyl or PO Vanc

Question 27

V. cholerae Tx

Answer 27

Oral rehydration

Question 28

V. vulnificus Tx

Answer 28

Doxy + 3rd gen cephalosporin

Question 29

Campylobacter Tx

Answer 29

Only if dz is severe w/ cipro/azith

Question 30

EHEC Tx

Answer 30

No Abx, causes more toxin induction

Question 31

Key things abt clostridia sp?

Answer 31

Gram positive, spore forming. C. perfringens causes gas gangrene and food poisoning.

Question 32

Clostridia, Ig for tx?

Answer 32

C. tetani

Question 33

Clostridia antitoxin for tx?

Answer 33

C. botulinum

Question 34

H. pylori, tx?

Answer 34

PPI + clarith + amoxacillin

Question 35

Test tube: Y/Y

Answer 35

lactose fermentation and glucose

Question 36

Test tube: R/Y

Answer 36

glucose fermentation

Question 37

Test tube: Black

Answer 37

H2S production

Question 38

Test tube: R/R

Answer 38

No fermentation

Question 39

Test tube: Bottom gap

Answer 39

H2 production

Question 40

HDV dependent upon ____ for attachment protein

Answer 40

HBV

Question 41

Hepatitis in pregnant women?

Answer 41

HAV

Question 42

What allows us to cure HCV?

Answer 42

HCV protease activity targeting

Question 43

Which markers would indicate: | a vaccine?

Answer 43

Anti-HBs

Question 44

Which markers would indicate: | a resolved acute infx?

Answer 44

Anti HBs and antiHBc

Question 45

Which markers would indicate: | a low risk carrier?

Answer 45

HBsAg, anti HBc, anti HBe

Question 46

Which markers would indicate: | A high risk carrier?

Answer 46

HBsAg, HBeAg, HBcAg