bacteria

Question 1

are staphylo… gram +?

Answer 1

yes

Question 2

is staph.. motile?

Answer 2

no

Question 3

staph bacterial attachment is mediated by ?

Answer 3

MSCRAMM

Question 4

the virulence factor for staph,?

Answer 4

protein A , clumping factor, peptidoglycan,teichoic acid

Question 5

surface protein staph ?

for growth phase

Answer 5

protein A,elastin binding protein, collagen bindingp….,

fibronectin, clumping factor, coagulase

Question 6

screted protein ?

stationary phase

Answer 6

enterotoxin
tsst1
atoxin

Question 7

20-50 of humans nasal carriage s.aureus

with high incidence in?

Answer 7

hospitalized patients , medical personnel

and eczematous skin diseases(الجروح الي بتسببها الأكزيما بتخلي البكتيريا تدخل الي الجسم)

Question 8

staph clincal correlation?

suppurative(pus forming)

Answer 8

impetigo(pus visicle)
foliculitis(الاتهاب بكون حولين بصيلة الشعر
furunclesor boils(حب على الرقبه)
carbunclesالاتهاب ووصل تحت الجلد بسوي الاتهابات و fever وبكتيريا بدم

Question 9

staph toxin mediated diseases

(non pus)?

Answer 9

scalded skin syndrome, food poisoning,toxic shock
الجلد بصير فصل

تعافي سرييييع

Question 10

staph coagulase negative clinical (diseases)?

Answer 10

wound infection, URI, ,catheter and shunt infection (الانابيب الي بتنحط في الجسم للبول او للاكل ) (epidermidis the most)

prosthetic device infection

Question 11

is strepto pyogenes pus forming bacteria?

Answer 11

yes and it is GAS (gruop A streptococcus)

Question 12

virulence factor for strepto?

exotoxin

Answer 12

SPE A,,B,,,C

Question 13

virulence factor for strepto?

invasins

Answer 13

streptolysin:S,,,O
S::::nonimmunogenic مسؤول عن البيتا هيموليسز
O:::: immunogenic بتسوالو انتيبدي بسرعه
النوعين بحللو erythrocytes ,leukocytes and platelets
streptokinase
بحللblood clots and fibrinبسهل انتشار ال pyogen
proteases

Question 14

virulence factor for strepto?

adhesins

Answer 14

M protein
lipoteichoic acid
protein F and SFB

Question 15

pyogen avoiding phagocytosis?

M protein function

Answer 15

hyaluronic acid capsule
M protein blocks the binding of C3b
M protein+F PROTEIN helps pyogen to invade epithelial cells
protease inactivates C5a which begens the inflammation

Question 16

clinical correlation pyogens pus forming

Answer 16

pharyngitis
scarlet fever
pyodermaللجلد
erysplasجلد
cellulitisجلد
necrotizing fasciitis تدمير للالعضلات و الدهون
toxic shock

Question 17

clinical correlation pyogens non pus forming

Answer 17

rheumatic fever

acute glomerulonephritis

Question 18

agalactiae مين بتصيب

Answer 18

immunocompromised ,elderly, newborn

و ال colonIZE تبعتها بتكون في الLower GIT

Question 19

newnatel infection with agalactiae may causes

Answer 19

bacteremia ,, meningitis
pneumonia ,, joint infection
skin and soft tisuue infection

Question 20

صفات strepto pneumoniae

Answer 20

encapsulated
diplococci
A hemlytic degrades hemoglobin

Question 21

polysaccharide capsule

Answer 21

polyvalent vaccine,C polysaccharide, CRP (c reactive protein)
F antegen

Question 22

virulent factor pneumoniae

Answer 22

capsule
IGA protease
amidas
phosphoryl choline

Question 23

strepto pneumoniaeinhibit the throat and nasopharynx?

Answer 23

yes

Question 24

pneumoniae deseases

Answer 24

invasive

maningitis
bacteraemia

non invasive

acute otitis media
sunusitis

non and in pneumonia

Question 25

``` enterococcus strepto inva?de E.faecalis اكثر اشي موجوده في ال feces و بتسبب UTI عن طريق ال catheters ```

Answer 25

GI and large intestine

Question 26

خصائص الenterococcus

Answer 26

تلزق ب الانسجه و تسوي biofilms | مضاده لل antibiotic

Question 27

viridans strepto | تتجمع في oropharynx ,GIT او gentourinary tract

Answer 27

yes

Question 28

campylobacter diseases

Answer 28

guillan barre syndrom and reactive arthritis

Question 29

localized damage in H.pylori invasion is mediated by ?

Answer 29

urease , mucinase , phospholipases , vaculating cytotoxin A (Vcam) , cytotoxin associated gene (cagA)

Question 30

``` is vibro(colera) halophilic? (salt loving) ```

Answer 30

yes