Staph Packet

Question 1

4 examples of Cocci?

Answer 1

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

Question 2

2 examples of Spore forming bacteria?

Answer 2

1) Bacillus

2) clostridium

Question 3

2 examples of non spore forming bacteria?

Answer 3

1) Listeria

2) Corynebacteria

Question 4

What type of cocci are staph and strep?

Answer 4

Pyogenic cocci

Question 5

What is most important in staph and strep infections?

Answer 5

Role of phagocytosis/opsonization

Question 6

What is negligible in staph and strep infections?

Answer 6

Protective immunity

Question 7

what is the tissue damage from in staph/strep?

Answer 7

Exotoxins, bystander damage from neutrophils

Question 8

What happens in a deficiency of phagocytes?

Answer 8

Recurrent staph and strep infections

Question 9

2 examples of opsonins?

Answer 9

1) C-reactive protein

2) Complement

Question 10

2 disease that affect neutrophil function?

Answer 10

1) Diabetes

2) Chronic granulomatous disease

Question 11

Common cause of skin absesses?

Answer 11

Staph

Question 12

What type of staph is coagulase +?

Answer 12

Staph aureus

Question 13

What type of staph is coagulase -?

Answer 13

Staph epidermidis

Question 14

Best way to get a staph epidermis infection?

Answer 14

Contamination of devices, implants, etc

Question 15

What can be transferred by plasmids?

Answer 15

Antibiotic resistance

Question 16

In staph infections where does bacteremia present?

Answer 16

Heart valves, kidneys, bones, joints

Question 17

4 examples of toxins given off by Staph?

Answer 17

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

Question 18

Staph infections involving overgrowth of normal flora? (2)

Answer 18

Sinusitis

Otitis media

Question 19

3 types of skin/wound infections due to staph?

Answer 19

1) Furuncle
2) Carbuncle
3) Impetigo

Question 20

What is a carbuncle>

Answer 20

Multiple furuncles

Question 21

What causes an upper respiratory infection with Staph?

Answer 21

Obstruction with overgrowth of colonizing bacteria

Question 22

Incubation time for food poisoning via staph?

Answer 22

1-6 hours

Question 23

Main trait of toxic shock syndrome>

Answer 23

T-cell super antigen

Question 24

When does bronchopneumonia show up>

Answer 24

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

Question 25

Where is Staph saprophytic normally found?

Answer 25

Normal skin, periurethral, and urethral flora

Question 26

Is Staph epidermidis coagulase + or -?

Answer 26

-

Question 27

Who is MRSA colonization most associated with?

Answer 27

People greater than 60 and females

Question 28

How is MRSA first detected?

Answer 28

Clusters of abscesses or spider bites

Question 29

How serious is community acquired MRSA?

Answer 29

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

Question 30

Vaccine only exists for strep what?

Answer 30

Pneumoniae

Question 31

How does Staph bind to host cells?

Answer 31

Fibronectin and vitronectin

Question 32

Where does protein A bind?

Answer 32

Fc portion of immunoglobulin

Question 33

Deep staph infections in immunosuppressed/debilitated?

Answer 33

Necrotizing pneumonia

Septicemia

Question 34

How do you treat hospital aquired MRSA?

Answer 34

IV Vanco