Gram +ve Bacilli

Question 1

Corynebacteria Group

Answer 1

Pleomgraphic Gram +ve Bacilli

Question 2

Two types of corynebacteria:

Answer 2

1 . diphtheroides
2. Corynebacterium diphtheriae

Question 3

Diphtheriodes

Answer 3

1. Aerobic
2. Normal Flora
3. Mostly non pathogenic

Question 4

Diphtheriodes are normally found in :

Answer 4

Skin
Respiratory tract
Urinary tract

Question 5

Corynebacterium diphtheriae

Answer 5

1. Acute , serious , highly infectious disease
2. Strains are facultative aerobss , non mobile, non sporting pleomorphic gram +ve Bacilli
3. Produces chinese character arrangement

Question 6

Corynebacterium diphtheriae has 3 biotypes:

Answer 6

1. Gravis
2. Mitis
3. Intermedius

Question 7

Corynebacterium diphtheriae spread by :

Answer 7

Droplets
Carriers are asymptomatic

Question 8

Diphtheria toxoid is given

Answer 8

To children at ages of2,4,6 months of age

Question 9

Listeria monocytogenes

Answer 9

• gram +ve small bacilli
• flagellated
• feebly motile at 25°C

Question 10

Asymptomatic human carriers for listeria monocytogenes

Answer 10

• Intestines
• Vagina

Question 11

Spore forming Bacilli

Answer 11

• gram +ve Bacilli
• Aerobic or anaerobic, survive for a long period in dryness
• They are mostly saprophytes

Question 12

Common places for spore forming bacteria to be found:

Answer 12

1. Soil
   2.dust
2. Water and air
3. Human/ Animal intestines and feces

Question 13

Bacillus cereus:

Answer 13

↳ Aerobic bacilli group
- contamination of food
↳ produces a heat- stable enterotoxin
↳ cause vomiting and diarrhea

Question 14

Treatment of bacillus cereus

Answer 14

conservative, no need for antibiotics

Question 15

Bacillus Subtiles

Answer 15

↳small, short, thin bacillus
↳ Aerobic bacilli
↳ opportunistic pathogen

Question 16

spores of bacillus subtilis is used for:

Answer 16

As a test of the efficiency of sterilization for ethylene oxide