Common bacterial pathogens Flashcards Preview

Disease and Defense > Common bacterial pathogens > Flashcards

Flashcards in Common bacterial pathogens Deck (29)
Loading flashcards...
1
Q

Gram (+) and Cocci

A

Staphylococcus (S. Aureus, SSNA - S.epidermidis)

Streptococcus (S. pyogenes - Group A strep GAS, S. penumoniae, Enterococcus faecalis, E faecium, Viridans Streptococci)

2
Q

Staphylococcus

Gram (?), shape?

A

Gram + Cocci

3
Q

Streptococcus

Gram (?), shape?

A

Gram +, Cocci

4
Q

SSNA = CNS = ?

A

Staph species no aureus, or coagulase negative staph

5
Q

S. Pygoenes = aka?

Gram (?), shape?

A

Group A Strep

Gram +, Cocci

6
Q

Entercoccus faecalis

Gram (?), shape?

A

Gram +, Cocci

7
Q

Viridans streptococci

Gram (?), shape?

A

Gram +, Cocci

8
Q

Streptococcus genus is catalase ?

A

negative

9
Q

Staphylococci are catalase ?

A

positive

10
Q

Location of staphylococcus aureus in body?

A

Ant. nares, perineum

11
Q

Strains and circumstances of staph aureus

A

Cutaneous - folliculitis, boils, wounds –> focal abscess
Toxinogenic infection - TSS, food poisioning
Pneumonia - impaired hosts –> 50% mortality

12
Q

Drug resistance of S. Aureus

A

Penicilin R, Methicilin R (MRSA), Vancomycine R (VISA/VRSA)

13
Q

List 4 streptococci

A

Streptococcus pyogenes
Streptococcus pneumoniae
Enterococcus faecalis
Enterococcus faecium

14
Q

Group A strep (Streptococcus pyogenes) on SBA

A

beta hemolytic strep

15
Q

3 common causes bacterial endocarditis

A

Staph Aureus
Streptococci
Staphylococci

16
Q

S. Aureus - cutaneous - diseases

A

Bactermia
Septicemia
Endocarditis
Cellulitis

17
Q

S. Aureus - Toxinogenic

A

Scalded skin syndrome

TSST

18
Q

S. Aureus Cutaneous virulence

A

Alpha toxin

Coagulase

19
Q

S. Aureus - toxinogenic virulence

A

superantigens

20
Q

S. aureus food poison virulence

A

Super antigens

21
Q

Staph Epidermdis virulence

A

Glycocalyx (slime)

22
Q

List Cocci bacterials

A

Streptococci (pneumoniae, pyrogenes, viridan), staphylococci (aureus, MSSA vs MRSA), enterococci (faecium, faecalis) Nisseria Gonorrheae

23
Q

List rods

A

H influenzae, E.Coli, Pseudomonas aeruginosa, Clostridium (difficile, tetani, botulinum, perfringens), Clostridium, bacteroides fragilis

24
Q

List Gram +

A

Streptococci, staphylococci, enterococci, Clostrium

25
Q

List Gram -

A

Neisseria, Bacteroides fragilis, H influenzae, E.coli, Pseudomonas aeruginosa

26
Q

List anaerobes

A

Clostridium (difficile, tetani, botulinum, perfingens) and bacteroides fragilis

27
Q

No Cell Wall

A

Mycoplasma pneumonia

28
Q

Obligated intracellular bacteria

A

Chlamydia trachomatis

29
Q

Most common STD and causes blindness

A

Chlamydia trachomatis