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