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Dr. Ehab Aboueladab
(PhD in Biochemistry)
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ý Diagnosis of Enterobius vermicularis
ü Egg in perianal skin
ý Causes whopping cough
ü Bordetella pertussis
ý Recombinant vaccine is
ü Different genes taken from bacteria
ý Pathogen cause rice-water diarrhea
ü Vibrio cholera
ý Selective media for Vibrio cholera
ü TCBS medium
ý Media used for carbohydrate hydrolysis and dihydrogen sulphide
production
ü TSI (Trible Sugar Iron)
ü Dark purple
ý Tuberculin skin test is used for diagnosis of
ü Mycobacterium tuberculosis
ý Medium for Mycobacterium tuberculosis TB
ü LJ medium
ý Ziehl Neelsen stain is
used for
ü Mycobacterium sp.
ý The best method for diagnosis of TB
ü Culture on LJ medium
*Zeihl Neelsen staining
*Serology
*Tuberculin test
ý Vi antigen is
ü Capsular antigen
ý Growth of vibrio cholera on TCBS medium produces
ü Yellow colonies
ý Viral infection transmission through feco-oral rout
ü Polio virus
ý Vector of leishmaniasis
ü Sand
fly
ý Organisms produce gas gangrene
ü
Clostiridium perfringens
ý Gram +ve bacilli produce drum-stick shape spores
ü Clostridium tetani
ý Group A streptococci are differentiated from other
beta-haemolytic streptococci by
ü Bacitracin
ý Selective media used for culture of Staphylococcus aureus
ü Mannitol
Salt Agar (MSA)
ý Gram positive bacilli (chinese letters)
ü Corynibacterium diphtheriae
ý The most significant positive result in PCR
ü Mycobacterium tuberculosis
ý Large and mucoid colony on blood agar
ü klebsiella pnemoniae
ý To differentiate between staph and strept
ü Hydrogen
peroxide
ý Sputum with positive acid fast bacilli you should tell
ü Physician
ý Colony taked from nutrient agar by wooden stick then puted in
filter paper with oxidase reagent give purple color within 10 seconds
ü Pseudomonas sp.
ý No band are seen in PCR test the reason
ü Few
cycles
ý You forgot to add primer in PCR the result
ü No PCR
product (no bands)
ý CSF stored at temperature
ü ???
ý Stain for mycobacterium
ü Auramine
–Rhodamin
ý HCV family
ü Flaviviridae
ý Detection of HBV by
ü HBV antigens
ý Shigella color on macConkey
ü Pale
–yellow
ý HIV with meningitis what is the organism most suspicious of the
following
ü cryptococcus neoformans
ý Resistant to 6.5% salt
ü Enterococcus sp.
ý Sensitive to bacitracin
ü Group
A streptococci (streptococcus pyogenes)
ý Tapewarm
ü D. latum
ý This image resemble
ü Explosion
risk
ý Basic media
ü Nutrient
agar
ý Candida albicans cause infection in
ü Diabetic
patients
ý Supra pubic urine cultured on blood agar gave 2 organisms
(candida and gram negative bacilli), the count of each one less than 100 CFU/ml,
antibiotic sensitivity test should be done for ….
ü Both
of them
*Candida only
*Gram –ve strain
only
*None of them
My answer was both of them because both of them are
pathogenic and may cause UTI and the colony count in this case (less than
100,000 CFU/ml) is not important because the specimen is supra pubic urine not
mid-stream urine
ý
سؤال عن نوع طفايات الحريق المستخدمة فى الحرائق الناتجة
عن الكيماويات
* CO2
ü Dry
powder انا اخترت دى بس مش عارفه الاجابة ايه))
ý Immunodiagnosis
جه منها كذا سؤال بس للاسف مش متذكراهم معظمهم عن
الاجسام المضادة والطرق
المستخدمة فى تشخيصها
Best Wishes: Dr.Ehab Aboueladab - Email:ehab10f@gmail.com
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