Bacterial Culture Media

Question 1

Eosin Methylene Blue (EMB)

Answer 1

Escherichia coli

green metallic sheen

Question 2

Tellurite

Answer 2

Corynebacterium diphtheriae

black

Question 3

Egg yolk enriched agar

Answer 3

Clostridium perfringens

Large clearing

Question 4

Skirrow

Answer 4

Campylobacter jejuni

Question 5

Thayer-Martin
Vancomycin: gram(+)
Colistin/Polymyxin:gram(-)
Nystatin: fungi

Answer 5

Neisseria gonorrhea
(nonsterile sites)

For sterile sites Chocolate agar can be used

Question 6

Enriched Chocolate agar
X = heme
V = Nicotinamide adenine dinucleotide (NAD)

Answer 6

Hemophilua influenzae

Type B

Question 7

Bile esculin

Answer 7

Enterococcus
(Group D streptococci)

(Transparent agar -> black colonies)

Question 8

Mannitol Salt agar (MSA)

Answer 8

Staphylococcus

Red agar -> yellow

Question 9

Lowenstein Jensen

Answer 9

Mycobacterium tuberculosis

Teal tube agar -> yellow balls colonies

Question 10

Thiosulfate citrate bile salt

TCBS

Answer 10

Vibrio cholerae

Green agar -> yellow colonies

Question 11

Bordet Gengou

Answer 11

Bordatella pertusis

Red agar -> yellow

Question 12

Barbour Stoenner Kelly ( BSK)

Answer 12

Borrelia burgdorferi

Question 13

Eaton

Answer 13

Mycoplasma pneumoniae

Question 14

Cetrimide

Answer 14

Pseudomonas aeruginosa

Question 15

Xylose Lysine Deoxycholate (XLD)

Answer 15

Salmonella, Shigella

Question 16

Ellinghausen McCullough Johnson Harris (EMJH)

Answer 16

Leptospira interogans

Question 17

Charcoal yeast

Answer 17

Legionella pneumophilia

(Silver stain/ airconditioning)

Triad diarrhea, hyponatremia, pneumonia