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Corynebacterium and Clostridium (1)

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

Reverse CAMP reaction is used to detect?

a)

Group B streptococci

b)

Staphylococcus aureus

c)

Clostridium perfringens

d)

Listeria monocytogenes

2.

Also known as myonecrosis

a)

Tetanus

b)

Diphtheria

c)

Gas gangrene

d)

Food poisoning

3.

Food poisoning is caused by what type of Clostridium?

a)

Type A

b)

Type B

c)

Type C

4.

Litmus milk medium will give a litmus reaction of

a)

Blue to red

b)

Red to blue

c)

No change of color

5.

Major toxins of Clostridium, except

a)

theta

b)

epsilon

c)

iota

d)

alpha

6.

Complete hemolysis in the reverse CAMP reaction of Clostridium perfringens is caused by what toxin?

a)

alpha

b)

beta

c)

iota

d)

theta

7.

In Naegler's reaction: side without antitoxin will produce

a)

halo

b)

nonhalo

8.

Elek's gel precipitation test uses:

a)

sheep blood agar

b)

human serum

c)

horse blood agar

d)

horse serum agar

9.

Corynebacterium infection of stratum corneum

a)

bovis

b)

ulcerans

c)

xenosis

d)

minutissimum

10.

Binding of tox gene of Corynebacteria is caused by this fragment

a)

A

b)

B

c)

C

d)

D

11.

Which is true about Corynebacterium?

a)

Urea test positive

b)

Hydrolysis of gelation

c)

Hydrogen sulfide positive

d)

Lactose fermenter

12.

This means "club"

a)

Coryne

b)

Klebs

c)

Loefflers

d)

Clostridium

13.

Most serious Corynebacterium infection is caused by

a)

Gravis

b)

Intermedius

c)

Mitis

14.

Diphtheria infects these organs except:

a)

Nasopharynx

b)

Tonsils

c)

Skin

d)

Brain

15.

Diphtheroid prosthetic valve endocarditis is caused by:

a)

xerosis

b)

jeikeium

c)

xenosis

d)

pseudotuberculosis