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Staphylococci

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Bacterial cell comes under______________

a)

Eukaryotes

b)

Prokaryotes

c)

None of the above

d)

Prokaryotes and Eukaryotes; both

2.

Gram positive cocci in cluster named as_________________

a)

Streptococci

b)

Diplococci

c)

Bacilli

d)

Staphylococci

3.

Cocci in chain named as________________

a)

Diplococci

b)

Streptococci

c)

Staphylococci

d)

Diplobacilli

4.

Gram positive cocci, which are catalase and oxidase positive comes under genus__________________

a)

Staphylococcus aureus

b)

Streptococcus pneumoniae

c)

Mycobacterium tuberculosis

d)

Micrococcus sp.

5.

Gram positive cocci, which are catalase positive, oxidase negative and coagulase positive are called as______________

a)

S. epidermitis

b)

S. saprophyticus

c)

S. aureus

d)

None of the above

6.

Gram positive cocci, which are catalase positive, oxidase negative, coagulase negative and novobiocin sensitive are called as____________

a)

S. saprophyticus

b)

S. epidermitis

c)

S. aureus

d)

None

7.

Gram positive cocci, which are catalase positive, oxidase negative, coagulase negative and novobiocin resistant are called as____________

a)

S. saprophyticus

b)

S. epidermitis

c)

S. aureus

d)

None

8.

Complete hemolysis is called as____________

a)

Alpha-hemolysis

b)

Gamma-hemolysis

c)

Beta-hemolysis

d)

None

9.

Partial/Incomplete hemolysis is called as _____________

a)

Beta-hemolysis

b)

Gamma-hemolysis

c)

Alpha-hemolysis

d)

None

10.

Example of beta hemolysis is____________

a)

S. epidermitis

b)

S. saprophyticus

c)

S. aureus

d)

None

11.

Example of alpha hemolysis is________________

a)

S. aureus

b)

S. pneumoniae

c)

S. saprophyticus

d)

E. faecalis

12.

The enzyme produces nascent oxygen, which causes oxidative damage to host tissue is called as ____________

a)

Coagulase

b)

Oxidase

c)

Urease

d)

Catalase

13.

Bound coagulase is also known as________________

a)

Coagulase reacting factor

b)

Coagulase reacting factor and clumping factor; both

c)

None of the above

d)

Clumping factor

14.

Golden yellow colonies on nutrient agar is produced by___________________

a)

S. epidermitis

b)

S. saprophyticus

c)

S. aureus

d)

None

15.

The most common bacterial species, which causes surgical wound infections is__________________

a)

S. epidermitis

b)

S. saprophyticus

c)

S. pneumoniae

d)

S. aureus

16.

The most common cause of acute endocarditis is_________________

a)

S. saprophyticus

b)

S. pneumoniae

c)

S. aureus

d)

E. faecalis

17.

Mode of transmission of Staphylococci is_______________

a)

Water borne

b)

Food borne

c)

Contact and air borne

d)

None

18.

Clumping factor detected by__________________

a)

Tube test for free coagulase

b)

Slide test for bound coagulase

c)

Both

d)

None

19.

MRSA is commonly present in_________________

a)

community

b)

hospitals

c)

both

d)

none

20.

Methicillin resistant Staphylococcus aureus is treated by___________

a)

Nafcillin

b)

Penicillin G

c)

Vancomycin

d)

None