Staph Packet Flashcards Preview

Pathology > Staph Packet > Flashcards

Flashcards in Staph Packet Deck (34):
1

4 examples of Cocci?

1) Staph
2) Strep
3) Enterococcus
4) Bacilli (micrococci)

2

2 examples of Spore forming bacteria?

1) Bacillus
2) clostridium

3

2 examples of non spore forming bacteria?

1) Listeria
2) Corynebacteria

4

What type of cocci are staph and strep?

Pyogenic cocci

5

What is most important in staph and strep infections?

Role of phagocytosis/opsonization

6

What is negligible in staph and strep infections?

Protective immunity

7

what is the tissue damage from in staph/strep?

Exotoxins, bystander damage from neutrophils

8

What happens in a deficiency of phagocytes?

Recurrent staph and strep infections

9

2 examples of opsonins?

1) C-reactive protein
2) Complement

10

2 disease that affect neutrophil function?

1) Diabetes
2) Chronic granulomatous disease

11

Common cause of skin absesses?

Staph

12

What type of staph is coagulase +?

Staph aureus

13

What type of staph is coagulase -?

Staph epidermidis

14

Best way to get a staph epidermis infection?

Contamination of devices, implants, etc

15

What can be transferred by plasmids?

Antibiotic resistance

16

In staph infections where does bacteremia present?

Heart valves, kidneys, bones, joints

17

4 examples of toxins given off by Staph?

1) Enterotoxins
2) Cytolytic toxins
3) Exfoliative toxins
4) Toxic shock syndrome toxin

18

Staph infections involving overgrowth of normal flora? (2)

Sinusitis
Otitis media

19

3 types of skin/wound infections due to staph?

1) Furuncle
2) Carbuncle
3) Impetigo

20

What is a carbuncle>

Multiple furuncles

21

What causes an upper respiratory infection with Staph?

Obstruction with overgrowth of colonizing bacteria

22

Incubation time for food poisoning via staph?

1-6 hours

23

Main trait of toxic shock syndrome>

T-cell super antigen

24

When does bronchopneumonia show up>

secondary to viral infection and obstructive illness such as chronic pulmonary congestion, asthma, and cystic fibrosis

25

Where is Staph saprophytic normally found?

Normal skin, periurethral, and urethral flora

26

Is Staph epidermidis coagulase + or -?

-

27

Who is MRSA colonization most associated with?

People greater than 60 and females

28

How is MRSA first detected?

Clusters of abscesses or spider bites

29

How serious is community acquired MRSA?

Rarely associated with death, most infections are skin infections and not dangerous

30

Vaccine only exists for strep what?

Pneumoniae

31

How does Staph bind to host cells?

Fibronectin and vitronectin

32

Where does protein A bind?

Fc portion of immunoglobulin

33

Deep staph infections in immunosuppressed/debilitated?

Necrotizing pneumonia
Septicemia

34

How do you treat hospital aquired MRSA?

IV Vanco