Microbiology classification memorization

Question 1

What are the 4 major bacterial classifications

Answer 1

• gram +
• gram -
• no peptidoglycan
• waxy cell wall

Question 2

What are the 3 waxy cell wall pathogens

Answer 2

1. M. tuberculosis
2. M. leprae
3. Nocardia species (partially acid fast)

ALL THE REST ARE ACID FAST

Question 3

2 classes of gram +

Answer 3

cocci

bacilli

Question 4

2 classes of bacilli

Answer 4

spore forming

non-spore forming

Question 5

What are the non-spore forming gram + bacilli

Answer 5

Listeria monocytogenes

c. diptheriae

Question 6

What are the 5 spore forming bacilli that are gram +

Answer 6

anaerobic

c. dificile

C. tetani

c. botulinum

C. perfringens

aerobic

B. anthracis

Question 7

7 gram + cocci

Answer 7

Staph Aureus (coag +)

staph (coag -)

Strep pyogenes (Group A)

Strep agalactiase (Group B)

Strep pneumoniae

Strep Viridens

Enterococci

Question 8

what coagulase is staph aureus

Answer 8

positive

Question 9

What are the 2 coagulase negative staphs

Answer 9

staph saprophyticus (unsusceptible to novobiocin)

staph epidemeridis (susceptible to novobiocin)

Question 10

What are the beta hemolytic streps

Answer 10

Group A (strep pyogenes)

Group B (strep agalactiae)

Question 11

which beta-hemolytic strep is bacitracin susceptible

Answer 11

strep pyogenes

Question 12

What are the two alpha hemolytics streps

Answer 12

strep pneumoniae

strep viridans

Question 13

Which is the alpha hemolytic step susceptibel to optochin

Answer 13

strep pneumonidae

Question 14

What are the two gamma hemolytic streps

Answer 14

enterococcus

group D streptococcus

Question 15

Which gamma hemolytic grows well in bile AND high salt

Answer 15

enterococcus

Question 16

Which gamma hemolytic strep grows well only in bile esculin, but not plus high salt

Answer 16

group D

Question 17

What are the two gram - diplococci

Answer 17

N. meningitidis

N. gonorrhoease

Question 18

What are the 5 gram - curved

Answer 18

H. pylori

c. jejuni

V. cholerae

B. burgdorferi

T. pallidum

Question 19

What are the two classes of gram - bacilli

Answer 19

enterobacteriaceae

All Others

Question 20

What are the 5 gram - enterobacteriaceae

Answer 20

E. coli

shigella

salmonella

Y. pestis

K. pneumoniae

Question 21

What are the 6 OTHER gram- bacilli

Answer 21

L. pneumophila

P. auroginosa

H. Influenzae

R. Ricketsii

F. Tularensis

Bartonella

Question 22

What are the 7 Pyogenic gram-positive cocci

Answer 22

Staph aureus

staph (coag -)

s. pyogenes

S. agalactiae

S. pneumoniae

Strep viridans group

enterococci

Question 23

What are the 6 Gastrointestinal infections

Answer 23

E. coli

shigella

salmonella

C. dificile

H. pylori

C. jejuni

Question 24

What are the 6 meningitis infections

Answer 24

E. coli

H. influenzae

N. meningitidis

S. agalactiae

S. pneumoniae

L. monocytogenes

Question 25

What are the 4 zoonotic infections

Answer 25

Y. pestis

F. tularensis

Bartonella

B. anthracis

Question 26

What are the 5 respiratory infections

Answer 26

L. pneumophila

P. aeruginosa

s. pneumoniae

C. diptheriae

M. tuberculosis

Question 27

What are the 4 vector borne bacteria

Answer 27

R. ricketsii

B. burgdorferi

E. chafeensis

A phagocytophilum

Question 28

What are the 3 bacterial STI’s

Answer 28

N. gonorrheae

T. pallidum

C. trachomatis