عملي مايكرو Flashcards
( Flame source )
Dry heat is to kill microorganisms
( Safety box )
Contaminated sharp to be incinerated
( Disposable bag )
Sodium hypochlorite ( CLORX )
Use : Decontamination of liquid waste , surface and some medical equipment.
Iodophores
Use : 1- hand hygiene
2- it can applied on mucous membranes
Gram negative rod , Gram stain
Filamentous fungi
Chocolate agar “heated blood agar”
Can be cultured with : Haemophilus influenza Neisseria
Blood agar
MacConkeys agar
Thiosulfate - citrate - bile salts - sucrose agar ( TCBS )
Robertson CMM ( Enriched )
For growth of anaerobic organism
Eg. Clostridium
( Metalic loop )
Method of sterilization is by Red heat
Identify :
Stain :
Shape :
Example of possible organisms :
Identify : Spirochetes Stain : Fontana stain Shape : Twisted spirally ( corkscrew ) Example of possible organisms : Treponema Pallidum
Identify ?
Stain ?
Arrangement ?
Example ?
Identify : Staphylococci in Culture
Stain : Gram +ve
Arrangement : Grape-like irregular clusters
Example : S.aureus , S.epidermidis
Identify ?
Stain ?
Arrangement ?
Example ?
Identify : Streptococci, in Culture
Stain : Gram +ve
Arrangement : Chain
Example : S. pyogens , S. agalactiae & S. viridans
Identify ?
Stain ?
Arrangement ?
Identify : Corynebacterium Diphtheria
Stain : Gram + ve
Arrangement : V shape giving Chinese letter appearance
Identify ? Stain ? shape ? Arrangement ? Example?
Identify : Bacillus group Stain : Gram +ve ( gram stain ) shape : Rods Arrangement : Long Chains Example : B. anthracis & B. cereus
Identify : Bacillus group
Stain : Gram +ve ( spore stain )
shape : Rods
Arrangement : Long Chains
Clostridium tetani
G +ve bacilli arranged in Drum stick appearance with unstained terminal spores
Identify : Gram Negative Diplococci Stain : Gram –ve Shape : Diplococci Arrangement : Pairs Example : Neisseria meningitides & Neisseria gonorrhea
Identify: Gram –ve bacilli
Stain : Gram –ve
Shape : straight bacilli
Example : E. coli
Identify : Gram –ve bacilli
Stain : Gram –ve
Shape : curved bacilli
Example : Vibrio cholera , Helicobacter, Cambylobacter
Staphylococcus aureus in pus
Gram +ve cocci arranged in clusters ( Grape like
Staphylococci aureus
+ Present in pus
Staphylococcus aureus in pus
Gram +ve cocci arranged in clusters ( Grape like
Staphylococci aureus
+ Present in pus
Staphylococcus aureus in pus
Gram +ve cocci arranged in clusters ( Grape like
Staphylococci aureus
+ Present in pus
Staphylococcus aureus in pus
Gram +ve cocci arranged in clusters ( Grape like
Staphylococci aureus
+ Present in pus
Streptococcus pyogenes in pus
Gram +ve cocci arranged in chains + present in pus
Streptococcus pyogenes in pus
Gram +ve cocci arranged in chains + present in pus
Streptococcus pyogenes in pus
Gram +ve cocci arranged in chains + present in pus
(/Meningococci / Gonococci )
Gram -ve diplococci arranged in pairs with kidney shape appearance + present in pus
Bacillus anthracis in tissue
G +ve bacilli arranged in long chain + present in pus
Identify: Acid Fast Bacilli
Stain : Ziehl Neelsen
Example : Mycobacterium Tuberculosis in sputum
Mycobacterium tuberculosis in sputum stained by Ziehl Neelsen
Mycobacterium leprae
Stain : Modified Ziehl Neelsen
Id entify : Spirochetes
Stain : Fontana stain
Shape : Twisted spirally ( corkscrew )
Example : Treponema Pallidum
Gram +ve budding yeast Example ; Candida albicans
Specific test to differentiate between Candida albicans from other albicans?
Germ tube test
Gram +ve ( Candida albicans )
Cryptococcus neoformans
Black background by India ink stain
Cryptococcus neoformans
black background by Direct Immunofluoresce
CPE of CMV (Intranuclear inclusion bodies with Owl’s eye appearance)
CPE of CMV (Intranuclear inclusion bodies with Owl’s eye appearance)
Heavy duty gloves
Safe for holding and cleaning of sharp instruments ( surgical scissors , and instruments )
Goggles
Should be used to avoid splashes of infectious material to the eye
( Autoclave )
( swab stick )
For collection of specimen
Nutrient agar (Basic culture media)
( Endopigment )
Exopigment
( Macconkeys agar media )
Showing lactose fermenting colonies ( LFC )
Example : E.coli
Lactose fermenter on MacConkey agar
Example : klebsiella
Blood agar
Beta hemolytic
Example : S.aureus
Blood agar
Alpha hemolysis
Filamentous fungi , Aspergillus in culture, lactophenol cotton blue stain .
Heavy duty gloves
Safe for holding and cleaning of sharp instruments ( surgical scissors , and instruments )
Goggles
Should be used to avoid splashes of infectious material to the eye
Surgical mask
To prevent transmission of droplets and protect against infection.
Lowenstein – Jensen Medium
Uses: For isolation of mycobacterium tuberculosis
Loffler’s Serum Media
Type: Enriched
Uses: isola:on of Corynebacterium diphtheria
Robertson’s Cooked Meat Media
Type: Enrichment
Uses: For growth of anaerobic organism
e.g. Clostridium
البول الاسود، جوا
Bile Aesculin Agar showing ( Black discoloration )
Ex. Enterococcus
لاهوائي و غاز و ظهر الجار
Anaerobic Gas Pack Jar
Uses: - For isolation of anaerobic organisms
e.g. all Clostridium sp.
For isolation of microaerophilic microorganisms
e.g. Campylobacter & Helicobacter
انا بروفيسوره هندية
AP I (Analytical Profile Index) test
الازرق كوب عليه مويه KP
الاخضر يعني إفا E
Citrate utilization test
Positive (Blue)
Ex: 1- Klebsiella
2- pseudomonas aeroginosa
Negative (Green)
Ex. E.coli
المجنون يحب اللون الوردي اكثر من مره و يحب الجلوكوز و المالتوز
Sugar utilization test for Neisseria
Meningococci: Showing fermentation of glucose and maltose
جنى تحب اللون الاصفر و الوردي و تحب الجلوكوز بس
Gonococci: Showing fermentation of glucose ONLY
Brucella slide test , slide agglutination test
For serotyping of bacteria
Swarming of proteus on nutrient agar
ثايو السافل ستر البول المالح السكروزي
Thiosulphate citrate bile salt sucrose agar (TCBS)
Growth of non sucrose fermenting colonies
Use in :
1- vibrio genus
2- vibro cholera
MacConkey agar
Growth of lactose fermenter ( LFC )
Use in :
E. Coli
MacConkey agar
Growth of lactose fermenter ( LFC )
Use in :
E. Coli
MacConkey agar
Growth of lactose fermenter ( LFC )
Use in :
E. Coli
MacConkey agar Non lactose fermenter
Proteus
Custine lactose Electrolyte Deficient agar ( CLED )
Growth of lactose fermenter
Semiquantitave urine culture
E. Coli