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Microbiology Flashcards

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1
Q

treatment of e . coli is?

A

self limiting

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2
Q

is non motile and non lactose fermenter js like shigella is:
has a toxin thats like shigella and causes HUS:

A

EIEC
VTEC

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3
Q

Is non halophilic and polymixin sesitive is:

A

v. cholera

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4
Q

DIAGNOSIS of v. cholera
and treatment

A

PAW and TCBS
tetracyclin and supportive

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5
Q

toxin a and toxin b effect of the clostridium difficle is:

A

toxin a: diarrhea
toxin b: mucosal damage and colitis

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6
Q

toxic megacolon is seen in:

A

clostridum difficle

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7
Q

treatment of C. difficle is:

A

metronidazole and vancomycin

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8
Q

clinical features of listeria monocytogens

A

Pregnant women: Miscarriage, stillbirth.
Neonates & immunocompromised: Sepsis, meningitis.
Older adults: CNS infections, sepsis.

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9
Q

intracellular gram postitve MO
what is it and treatment

A

listeria mono.
supportive

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10
Q

skirrow is used for:

A

h. pylori

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11
Q

VacA and CagA cause
superoxide dismutase and catalse cause

A

mucosal damage
protection from phagocytosis

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12
Q

Found in poultry, livestock, seagulls
microaerophilic
skirrow medium

causes enterocolitis and gulliain barre syndrome

A

campylobacter jejuni

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13
Q

aureus symptoms :

A

nausea vomiting and diarrhea
no fever

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14
Q

precipitin is used for toxin detiction of;

A

aureus

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15
Q

chinese dishes can cause

A

cabilius cereus

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16
Q

emetic toxin of the bacilius cereus is heat ____
and the diarrhea h type is ____

A

stable
labile

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17
Q

bacilius cereus is cultured on ____

A

blood agar

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18
Q

nausea vomiting, weakness and dizziness are seen in

A

clostridium boutulinsm

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19
Q

drug avoid using for clostridium botullinsm

A

aminoglycoside

the antitoxin is only for nutalizing and not for reversing paralysis

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20
Q

_____ alpha toxin ha all of:

phospholipas c and lecithenase
collagenase, proteinase, hyaluronidase

A

clostridium perfrinigens

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21
Q

neglar agar (egg yolk based) is used on ___

A

clostridium perfrinogens

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22
Q

safety pin staining
catalase positive
pork

A

yersinia enterocilitica

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23
Q

CIN agar is used on

A

yersinia enteroccolitica

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24
Q

name the gram - bacterias

A

salmonella
shigella
e coli
vibrio
camp and helico

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25
name all the gram + bacterias
aureus cereus clostridum listeria
26
virulence factors of aureus
hemolysin leukocidin exotoxins (a-k)
27
proper storage of food is:
4c to 100c
28
skitchey marks of aureus
fast 1-6 hours preciptin heat labile gram + nausea vomiting diarrhea clusters superntigens meet and milk
29
a bacteria that causes post traumatic optalamnitis
b cereus
30
in bacilus cereus comiting happens after ___ and diarrhea after__
1-6 8-24
31
skitchy of bacilus cerus :
blood agar sporses are heat stable no capsule motile soil and water
32
incubation of clostridium
day to two days to weeks
33
skitchy of clostridium botulism:
cans and honey motile and heat labile anaerobic aminoglycoside **spores**
34
clostridium perfrinogens
blood agar/ neglar egg yolk agar b hemolysis lecithin , phospholipase c, protease… diarrhea and abdominal pain gas gangrene
35
**tratment of v. cholera**
**tetracyclin**
36
**salmonella treatment**
cerftriaxone, ciprofloxacin, azythromycin
37
shigella is gram ______ motile or not glucose fermenter or not?
negative non motiile non glucose fermenter but (sonni)
38
shigella dysenteriae
has a toxin that similar to VTEC
39
shigella causes
2 syndromes HUS: hemolytic anemia, thrombocytopenia and acute renal failure **reiter syndrome**: urethritis , arthritis and conjuctivits bloody diarrhea
40
S. enteritidis, S. typhimurium from ________ • S. typhi, S. paratyphi from _____ •______has a polysaccharide capsule (Vi antigen)
cattle, poultry human reservoirs S. typhi
41
antigens of e coli
hok • O (somatic) – 150 types • K (capsular) – 100 types • H (flagellar) – 50 types
42
virulence factors of e coli
pili capsule enterotoxins endotoxin (lps that causes sepsis)
43
skitchy of e coli
k capsule LPS causes sepsis - ETEC: travelers diarrhea, watery, heat labile (CAMP) and choleraa and stabile enterotoxins - EPEC :wattery diarrhea causes infantile diarrhea - EIEC : like shigella, non motile and non fementer and bloody diarrhea - VTEC: veretoxin 1 is similar to shigellass toxin , bloody diarrhea, HUS, beef , 1.57
44
vibrio cholera skitchy
CAMP alkaline pew and TCBS fecal oral watery, rice and fishy comma oxidase positive
45
decrease HCO3,NaCl and Cl absorption is caused by: effortless vomiting
v. cholera
46
Vibrio parahaemolyticus caused by ingestion of :
raw see food
47
Nosocomial infection:
clostridium difficle
48
listeria monocytogens virulence factors:
phopholipase c , protein 60 catalase and hemolysin
49
diarrhea-related child deaths in children 3 months to 2 years highly infectious
retovirus
50
rotavirus is
dsRNA with 11 segments non inveloped highy onfections
51
treatment of rotavirus
oral live attenuated vaccines
52
Second most common cause of diarrhea (after rotavirus__ and symptoms
adenovirs diarrhea thats milder but longer
53
Caliciviruses (Noroviruses & Sapoviruses) which one of them is highly infections
norovirus 12-72 hours
54
HAV causes ___ and transmisson
acute hepatitis gi then blood then liver
55
clinical features of HAV and diagnosis
• Most children are asymptomatic • Adults usually symptomatic (junadice/ 2 weeks) IgM IgG
56
treatment of HAV
suppoertive
57
HEV is different than HAV with :
higher bilirubin levels and mortality rate is found and higher in HEV both have no chronic state
58
entomoeba histolyica is also found in and its infective state is :
live lungs brain cysts
59
treatment of Entamoeba histolytica
metronidazole and tinidazole
60
gardia intestinalis clinical features and treatmnet
• Asymptomatic carriage • Acute diarrhea (watery, no blood or pus) • Chronic diarrhea (abdominal pain, bloating, steatorrhea, weight loss) metrinedazole
61
ascaris life cycle and causes
goes to the lung loffers syndrome, eosinphilia albendazol
62
Enterobius is most seen in ___ and treatment
Perianal pruritus at night scotch tape ,cell albendazol
63
Hydatid Cyst is seen in :
in liver mostly and lungs albendazol
64
**tenial solium is seen in** and causes
porks small intestine seizure praziquantil
65
taenia saginata
beef tapeworm
66
diphylopothrium latum iss:
fishes longest b12 and folate deficiency praziquantil
67
nana
smalles asymptomatic wakness headaches and diarrhea praziquantil

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