Midterm

Question 1

RANKING a microorganism’s ability to cause injury through disease

Answer 1

Risk group

Question 2

Agents NOT associated with disease. In what groups?

Answer 2

Risk group 1

Question 3

Agents ASSOCIATED WITH human disease. In what groups?

Answer 3

Risk group 2

Question 4

Agents associated WITH SERIOUS or lethal human disease. In what group?

Answer 4

Risk group 3

Question 5

Agents LIKELY to cause serious or lethal human disease

Answer 5

Risk group 4

Question 6

Transcribe BSC

Answer 6

Biological safety cabinet

Question 7

Air velocity 75 LINEAR feet/min; exhaust air thru HEPA. In what type of class?

Answer 7

Class l

Question 8

Air velocity 75-100 LINEAR feet/min; VERTICAL LAMINAR. In what type of class?

Answer 8

Class ll

Question 9

Exhaust air INSIDE THE ROOM; BSC. In what type of class?

Answer 9

Class lla

Question 10

Exhaust air OUTSIDE THE BUILDING. In what type of class?

Answer 10

Class llb

Question 11

SUPPLY and exhaust air thru HEPA FILTER

Answer 11

Class lll

Question 12

What are the cocci and coccus?

Answer 12

Staphylococci
Micrococci
Stomatococcus
Planococcus

Question 13

Staphylococci is for?

Answer 13

Cluster and white pinhead colonies

Question 14

Micrococci is for?

Answer 14

Tetrads 4 and sarcina 8

Question 15

Stomatococcus is for?

Answer 15

(Animals) white pinhead

Question 16

Planococcus is for?

Answer 16

Animals

Question 17

How many percentage growths on BAP, sheep’s blood?

And what are the substitutes blood?

Answer 17

5%

Substitute: horse’s blood and rabbits blood

Question 18

What are the types of hemolysis:

Answer 18

A hemolysis
B hemolysis
Y hemolysis

Question 19

INCOMPLETE/partial hemolysis. What type of hemolysis and what color?

Answer 19

A hemolysis (greenish zone)

Question 20

COMPLETE hemolysis. What type of hemolysis and color?

Answer 20

B hemolysis (clear or colorless zone)

Question 21

No hemolysis. In what type of hemolysis and color?

Answer 21

Y hemolysis (no zone)

Question 22

A SMALL ZONE of ALPHA HEMOLYSIS surrounded by

Answer 22

Zone of beta hemolysis after refrigeration

Question 23

Hemolysin (bacterias which has this enzyme has the ability to cause anemia

Answer 23

Enzyme

Question 24

Enrichment of the pigment production of staphylococcus

Answer 24

Purpose of growth on Loeffler’s serum slant

Question 25

S. Aureus color pigment

Answer 25

Golden yellow pigment

Question 26

S. Citreus color pigment

Answer 26

Lemon yellow pigment

Question 27

S. Albus color pigment

Answer 27

Porcelain white pigment

Question 28

S. Aureus MSA color formation

Answer 28

Yellow halo formation

Question 29

S. Epidermidis color colonies

Answer 29

Pink colonies

Question 30

S. Saprophyticus color colonies

Answer 30

Pink colonies same with S. Epidermidis

Question 31

Catalase test

Answer 31

3%H2O2

Question 32

Staphylococcus, what type of anaerobe

Answer 32

Facultative anaerobe

Question 33

Micrococcus , what anaerobe?

Answer 33

Obligate anaerobe

Question 34

Transcribe MRSA

Answer 34

Methicillin resistant staphylococcus aureus

Question 35

The 3 classifications:

Answer 35

Lancefield grouping
Smith and Brown’s grouping
Bergey’s grouping