Gram Positive Non Spore Formers

Question 1

Characteristics of C. diphtheriae

Answer 1

Klebs-Loeffler bacillus
Bulls neck
Highly pleomorphic
Picket fence
Chinese letter

Question 2

Most commonly isolated diptheroid
Johnson and Kaye

Answer 2

Corynebacterium jeikeium

Question 3

Agent of ERYTHRASMA

Answer 3

C. minutissimum

Question 4

Agent of listeriosis
Intracellular parasite

Answer 4

Listeria monocytogenes

Question 5

Agen to ERYSIPELAS/ERYSEPELOID

Answer 5

Erysipelothrix rhusiopathiae

Question 6

Doderlein bacilli

Answer 6

Lactobacillus acidophilus

Question 7

Agent of Actinomycosis
LUMPY JAW
NON-ACID FAST

Answer 7

Actinomyces

Question 8

Agent of MYCETOMA
Partially acid fast

Answer 8

Nocardia

Question 9

Most frequent found in human infection

Answer 9

Nocardia asteroides

Question 10

Most common cause of actinomycotic mycetoma

Answer 10

Nocardia brasiliensis

Question 11

Rods with forked ends

Answer 11

Bifidobacterium spp

Question 12

Agent of diptheria
Diptheria exotoxin

Answer 12

C. diphtheriae

Question 13

Diseases assoc with C. jeikeium

Answer 13

Prosthetic valve endocarditis in adults

Question 14

Causes Fish handlers disease

Answer 14

Erysipelothrix rhusiopathiae

Question 15

Most common isolated actinomyces

Answer 15

Actinomyces israelli

Question 16

Primary pulmonary infxn resembling tuberculosis

Answer 16

Nocardia

Question 17

Granules present in C. diphtheriae

Answer 17

Babes Ernst granules/ Metachromatic granules

Question 18

In vitro toxigenicity test in C. Diphtheriae

Answer 18

ELEK

Question 19

Susceptibility test in C. diphtheriae

Answer 19

Schicks test

Question 20

Tellurite agars present in C. diphtheriae

Answer 20

Potassium tellurite
Cystine tellurite
Tinsdale tellurite

Question 21

Enhanced pleomorphism and Metachromatic granules

Answer 21

Loefflers Serum or Pai Coagulated Egg stained with Methylene blue

Question 22

Coral red flourescence in WOODS LIGHT - porphyrin

Answer 22

C. minutissimum

Question 23

Positive test in listeria monocytogenes

Answer 23

BILE esculin hydrolysis
Camp
Catalase
Vouges-Proskauer

Question 24

Negative test in Listeria monocytigenes

Answer 24

Oxidase
Indole
H2S

Question 25

Motility of Listeria monocytogenes

Answer 25

Tumbling motility Hanging drop

Question 26

Listeria monocytogenes SIM- Umbrella /inverted pine tree Best growth: 25-35C

Question 27

Medium used in L. monocytogenes

Answer 27

McBride medium

Question 28

Virulence test for Listeria

Answer 28

Anton's test

Question 29

Negative in catalase, indole,VP, and nitrate tests.

Answer 29

E. rhusiopathiae Lactobacillus acidophilus

Question 30

Test tube motility - Gelatin stab

Answer 30

E. rhusiopathiae

Question 31

AGAR used in Lactobacillus acidophilus

Answer 31

Tomato juice agar

Question 32

Actinomyces Young colonies: Old colonies: Direct exam:

Answer 32

Young colonies: spider-like or wooly Old colonies: MOLAR TOOTH Direct exam: Sulfur granules

Question 33

Casein, Tyrosine, and Xanthine negative

Answer 33

Nocardia asteroides

Question 34

Casein and tyrosine positive Xanthine negative

Answer 34

Nocardia brasiliensis