2.1.1 DISCUSSION

Question 1

What are the 3 Genera’s of Micrococcaceae

Answer 1

Planococcus
Stomatoccus
Micrococcus

Question 2

What are the bacteria tat are encapsulated?

Answer 2

S. pneumoniae
Klebsiella pneumoniae
B. anthracis

Question 3

What bacteria is the causative agent for pseudomonas membranous colitis?

Answer 3

Clostridium difficile

Question 4

Most common enterotoxin that causes food poisoning?

Answer 4

Enterotoxin A

Question 5

Exfoliative toxin is also known as?

Answer 5

Epidermolytic toxin A and B

Question 6

What part of the epidermidis affected specifically by Epidermolytic toxin?

Answer 6

Stratum granulosum

Question 7

It causes a mild inflammation of the hair follicle or sebaceous gland

Answer 7

Folliculitis

Question 8

Are Large, raised, superficial abscesses which can be an extension of folliculitis

Answer 8

Furuncles

Question 9

Develop from multiple furuncles which may advance into the deeper tissues and cause fever and chills leading to systemic infection

Answer 9

Carbuncles

Question 10

Is a contagious superficial infection commonly seen in the children and characterized by crusty lesion and vesicles surrounded by a red border

Answer 10

Staphylococcal impetigo

Question 11

Is an extensive exfoliative dermatitis that occurs primarily in newborn and previously healthy children

Answer 11

SSS or Ritter disease

Question 12

Is rare but potentially fatal, multiple organ system illness that is characterized by a sudden onset of high fever, chills, vomiting, muscle aches, ad rashes, desquamation and it rapidly progresses to hypotension and shock

Answer 12

Toxic shock syndrome

Question 13

Carbuncle and furuncle are cause by what enzyme?

Answer 13

Lipase

Question 14

What are the other species or opportunistic species of Staphylococcus?

Answer 14

warneri
capitis
simulans
hominis
schleiferi

Question 15

What antibiotic are resistant to MRSA?

Answer 15

Methicillin
Nafcillin
Oxacillin
B-lactam drugs
Cephalosporin
Carbapenem

Question 16

What is the function of beta-lactamase?

Answer 16

hydrolyzes beta lactam of penicillin to make it inactive

Question 17

What is the function of protein A?

Answer 17

Binds to Fc of IgG, affecting phagocytosis

Question 18

What is the component of S. aureus on its gold pigment in BAP?

Answer 18

Staphyloxanthin

Question 19

What is the function of Cefoxitin?

Answer 19

Induce PBP2a

Question 20

What is the reagent used in Microdase test?

Answer 20

Tetramethyl-p-phenylenediamine in dimethyl sulfoxide

Question 21

What is phenol red in Mannitol salt agar used for?

Answer 21

pH indicator

Question 22

In D test, how many mm should erythromycin and clindomycin should be apart?

Answer 22

15-22mm

Question 23

In Cefoxitin disk, how many mm should have mecA positive?

Answer 23

<21 mm

Question 24

In Cefoxitin disk, how many mm should have mecA Negative?

Answer 24

22 mm

Question 25

What are the 2 antibiotics a that are Susceptible to S. aureus

Answer 25

Furazolidone
Lysostaphin

Question 26

What does PYR detect in a bacteria?

Answer 26

Pyrrolidonyl arylamidase enzyme

Question 27

What is the general temp for bacteria

How many hours to for culture and identification?

Answer 27

Temp = 35-37 C
Culture = 18-24 hrs
identification = 16-18 hrs