Mycobacterium Tuberculosis

Question 0

AFB and gram + bacilli aerobic, NM, NS, NE; requires enriched media and 5-10% of CO2.

Answer 0

Mycobacterium tuberculosis

Question 1

Also known as Koch bacilli, AFB or Tubercle bacilli, Captain of all men of death.

Answer 1

Mycobacterium tuberculosis

Question 2

Slow grower with a generation time of 20 hours; multiply by fermentation; contains much granules; requires whole egg for growth; produces cauliflower like growth on culture medium, luxuriant growth (eugonic); causes tuberculosis in man; long, slender, granular curved or rounded end.

Answer 2

Mycobacterium tuberculosis

Question 3

Medium used in mycobacterium tuberculosis.

Answer 3

Lowenstein, petroffs, Dorset’s, corpers

Question 4

Pathogenecity of mycobacterium tuberculosis

Answer 4

No toxins produced

Question 5

Spinal disease of TB

Answer 5

Pott’s disease

Question 6

Skin disease of TB

Answer 6

Lupus Vulgaris

Question 7

Cervical lymph nodes disease of TB

Answer 7

Scrotula

Question 8

Also know as leprae bacilli, hansens bacilli

Answer 8

M.Leprae

Question 9

exhibits cigar packet arrangement
Non culturable on artificial medium but can be maintained in the footpads of armadillo
Causes leprosy

Answer 9

M.leprae

Question 10

Anesthetic type; non-progressive and benign with few organism on skin lesions; + leprominb test

Answer 10

Paucibacillary (Tuberculoid Leprosy)

Question 11

Nodular type; course is progressive and malign with numerous organisms on skin lesions: - lepromin test

Answer 11

Multi bacillary (Lepromatous leprosy)

Question 12

Differentiating point of M.gordonae from M.scrofulaceum

Answer 12

Tween 80
+ M.gordonae
- M.scrofulaceum

Question 13

Differentiates M.fortuitum-Chelonei + from M.phlei -

Answer 13

Arylsulfatase test

Question 14

M.fortuitum +

Answer 14

Iron Uptake test

Question 15

Differentiates M.flavescens + from M.szulgai -

Answer 15

NaCl tolerance test

Question 16

Causes TB in cows; source of Bacille Calmette Guerin

Answer 16

M.bovis

Question 17

Pigment colonies presence of light

Answer 17

Photochromogens

Question 18

Photochromogens

Answer 18

M.szulgai

M.kansasii/M.simiae/M.marinum

Question 19

Pigments colonies in the presence of darkness/light

Answer 19

Scotochromogens

Question 20

Schotochromogens

Answer 20

M.scrofulaceum
M.szulgai
M.gordonae
M.xenopi

Question 21

Non-Photochromogens and Rapid Growers; - to niacin and nitrate, + tween 80 and heat stable catalase

Answer 21

M.malmoense

Question 22

Non-photochromogens and Rapid Growers; requires Hemin for growth.

Answer 22

M.haemophilum

Question 23

Non-photochromogens and Rapid Growers; battery bacillus; all tests are - except for the heat stable catalase and pyrazinamidase test

Answer 23

M.avium-intracellulare

Question 24

Non-photochromogens and Rapid Growers; may be isolated from gastric lavage

Answer 24

M.gastri

Question 25

The rapid growers; | + pink to red color

Answer 25

Arysulfatease test

Question 26

Strongly + to Arysulfatease test

Answer 26

M.fortuitum

Question 27

+ to Arysulfatease test

Answer 27

M.chelonei

Question 28

Negative or weakly + Arysulfatease test

Answer 28

M.phlei and M.smegmatis

Question 29

The slow growers. Positive

Answer 29

Niacin test

Question 30

Gm+ bacilli, NM, NE, alpha hemolytic on BAP. Catalase, INDOLE, oxidase and nitrate negative; ferments glucose and lactose. May cause erysipeloid. H2s positive, produce h2s in the butt of TSI media; is better know as veterinary pathogen than as a human pathogen.

Answer 30

Erysipelothrix rhusiopathiae

Question 31

Colonies of Erysipelothrix rhusiopathiae were described as

Answer 31

Lampbrush or test tube brush.

Question 32

When cultured on blood agar or some other nutrient medium Erysipelothrix rhusiopathiae forms.

Answer 32

Notably large colonies.

Question 33

Treatment of Erysipelothrix rhusiopathiae usually consist of

Answer 33

Penicillin G, ampicillin or cephalonthin

Question 34

Most clinical strains of Erysipelothrix rhusiopathiae have been found to be resistant

Answer 34

Super-antibiotic vancomycin

Question 35

Small grm + coccobacilli, NAF, shows tumbling motility; Can grow on 25-35,40 and 42C; catalase and vp test +; indole, oxidase and urease test negative; ferments glucose, maltose; bile Esculin hydrolysis +

Answer 35

Listeria Monocytogenes

Question 36

Listeria monocytogenes on BAP

Answer 36

Produce a narrow band band of beta hemolysis

Question 37

On agar surface the Erysipelothrix rhusiopathiae

Answer 37

Produce umbrella like growth "Inverted Chrismtas tree pattern

Question 38

Erysipelothrix rhusiopathiae can cause

Answer 38

Listeriosis, Meningitis, Meningoencephalitis and perinatal septicemia.

Question 39

Two species of human pathogenic significance in listeria monocytogenes

Answer 39

Listeria monocytogenes and listeria Ivanovo

Question 40

Susceptibility test for Listeria Monocytogenes. Suspension into rabbit eye or guinea pig. + result purulent conjunctivitis develops after 24 hours.

Answer 40

Anton's test

Question 41

Commonly known as probiotic or good bacteria. Normal flora of the mouth, GIT and vaginal canal. Rare cause of bacteremia and pneumonia; produce large qnty of lactic acid. Gm+, catalase -, pleomorphic, NM, H2S -, does not hydrolyze Esculin

Answer 41

Lactobacillus acidophilus

Question 42

If one fermenter is produced

Answer 42

Homofermenter

Question 43

Numerous fermentation and there are products other than lactic acid

Answer 43

Heterofermenter

Question 44

Common name of Lactobacillus acidophilus

Answer 44

Doderlein bacillus

Question 45

Products like yoghurt

Answer 45

L.bulgaricus

Question 46

For yakult milk

Answer 46

Lactobacillus-shirota strain

Question 47

Swiss cheese

Answer 47

L.delbruecki subsp. bulgaricus

Question 48

Can also be found in the intestine

Answer 48

L.cassei

Question 49

Facultative anaerobe and multiplied by transverse fission; all are M producing axial fibrils, a long flagellum like intracellular organelle that are responsible for its motility. Unicellular organisms with flexus structure. Dark field microscopy

Answer 49

Spirochetes

Question 50

Causative agent of syphillis

Answer 50

T.pallidum

Question 51

Disease of blood vessel and peri vascular areas

Answer 51

Syphillis

Question 52

Commonly observed during the early stages when treated with penicillin

Answer 52

Jarisch-Herxheimer Reaction

Question 53

Closely resembles tawa

Answer 53

Bejel

Question 54

Disease of bones and skin, non verenal, transmitted thru aids of of flies; causative agent of yaws

Answer 54

T.pertenue

Question 55

Infection if the feet which cause a crippling form of disease

Answer 55

Crab yaws

Question 56

Affects only the skin and becomes de pigmented; causative agent of carate or punta which is characterized by hyperpigmented lesion.

Answer 56

T.carateum

Question 57

Thin, flexible organisms with tightly coiled spirals and one or both ends mag be bent to form a hook. Strict aerobic, oxidase and catalase +, peroxidase +; causative agent of Weil's disease

Answer 57

Leptospira

Question 58

Other names of leptosira

Answer 58

Swineherd's disease, Fort Bragg Fever, Pretibial Fever, canicola fever and autumnal fever

Question 59

2 recognized fever of leptosira

Answer 59

Leptosira interrogans and leptosira biflexa

Question 60

Disease produced is relapsing fever, tick fever, borreliosis or famine fever. Loosely coiled, irregular in shape, highly flexible spiral organisms, motile, microaerophilic. Can be visualized by staining with aniline dyes.

Answer 60

Borria

Question 61

Louseborbe or epidemic relapsing fever which is transmitted to man by the human body louse.

Answer 61

Borrelia recurrentis

Question 62

Tick borne or endemic relapsing fever which is transmitted to man by ticks:Ornithodoros species.

Answer 62

Borrelia turicatae and Borrelia parkeri

Question 63

Causative agent of avian spircohetosis

Answer 63

Borrelia anserina