Common bacterial pathogens

Question 1

Gram (+) and Cocci

Answer 1

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

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

Question 2

Staphylococcus

Gram (?), shape?

Answer 2

Gram + Cocci

Question 3

Streptococcus

Gram (?), shape?

Answer 3

Gram +, Cocci

Question 4

SSNA = CNS = ?

Answer 4

Staph species no aureus, or coagulase negative staph

Question 5

S. Pygoenes = aka?

Gram (?), shape?

Answer 5

Group A Strep

Gram +, Cocci

Question 6

Entercoccus faecalis

Gram (?), shape?

Answer 6

Gram +, Cocci

Question 7

Viridans streptococci

Gram (?), shape?

Answer 7

Gram +, Cocci

Question 8

Streptococcus genus is catalase ?

Answer 8

negative

Question 9

Staphylococci are catalase ?

Answer 9

positive

Question 10

Location of staphylococcus aureus in body?

Answer 10

Ant. nares, perineum

Question 11

Strains and circumstances of staph aureus

Answer 11

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

Question 12

Drug resistance of S. Aureus

Answer 12

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

Question 13

List 4 streptococci

Answer 13

Streptococcus pyogenes
Streptococcus pneumoniae
Enterococcus faecalis
Enterococcus faecium

Question 14

Group A strep (Streptococcus pyogenes) on SBA

Answer 14

beta hemolytic strep

Question 15

3 common causes bacterial endocarditis

Answer 15

Staph Aureus
Streptococci
Staphylococci

Question 16

S. Aureus - cutaneous - diseases

Answer 16

Bactermia
Septicemia
Endocarditis
Cellulitis

Question 17

S. Aureus - Toxinogenic

Answer 17

Scalded skin syndrome

TSST

Question 18

S. Aureus Cutaneous virulence

Answer 18

Alpha toxin

Coagulase

Question 19

S. Aureus - toxinogenic virulence

Answer 19

superantigens

Question 20

S. aureus food poison virulence

Answer 20

Super antigens

Question 21

Staph Epidermdis virulence

Answer 21

Glycocalyx (slime)

Question 22

List Cocci bacterials

Answer 22

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

Question 23

List rods

Answer 23

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

Question 24

List Gram +

Answer 24

Streptococci, staphylococci, enterococci, Clostrium

Question 25

List Gram -

Answer 25

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

Question 26

List anaerobes

Answer 26

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

Question 27

No Cell Wall

Answer 27

Mycoplasma pneumonia

Question 28

Obligated intracellular bacteria

Answer 28

Chlamydia trachomatis

Question 29

Most common STD and causes blindness

Answer 29

Chlamydia trachomatis