Bacteria Overview

Question 1

Staphylococcus

Answer 1

gram positive, cocci (spheres), aerobic
ex: staphylococcus aureus, staphylococcus epidermidis, staphylococcus saprophyticus

Question 2

Streptococcus

Answer 2

gram positive, cocci (spheres), aerobic
ex: streptococcus agalactiae, streptococcus pneumoniae, streptococcus pyogenes, streptococcus viridans

Question 3

Enterococcus

Answer 3

gram positive, cocci (spheres), aerobic
ex: enterococcus faecalis, enterococcus faecium

Question 4

Peptococcus

Answer 4

gram positive, cocci (spheres), anaerobic

Question 5

Peptostreptococcus

Answer 5

gram positive, cocci (spheres), anaerobic

Question 6

Bacillus

Answer 6

gram positive, bacilli (rods), aerobic
ex: bacillus anthracis, bacillus cereus

Question 7

Corynebacterium

Answer 7

corynebacterium diptheriae
gram positive, bacilli (rods), aerobic

Question 8

Gardnerella

Answer 8

gardnerella vaginalis
gram positive, bacilli (rods), aerobic

Question 9

Listeria

Answer 9

gram positive, bacilli (rods), aerobic

Question 10

Norcardia

Answer 10

norcardia asteroides
weakly gram positive/acid fast, bacilli (rods), aerobic

Question 11

Clostridium

Answer 11

gram positive, bacilli (rods), anaerobic
ex: clostridium botulinum, clostridium perfringens, clostridium tetani

Question 12

Clostridioides

Answer 12

clostridioides difficile
gram positive, bacilli (rods), anaerobic

Question 13

Cutibacterium

Answer 13

cutibacterium acnes
gram positive, bacilli (rods), anaerobic

Question 14

Moraxella

Answer 14

moraxella catarrhalis
gram negative, cocci (spheres), aerobic

Question 15

Neisseria

Answer 15

gram negative, cocci (sphere), aerobic
ex: neisseria gonorrhoeae, neisseria meningitidis

Question 16

Acinetobacter

Answer 16

gram negative, bacilli (rods), aerobic

Question 17

Bordetella

Answer 17

bordetella pertussis
gram negative, bacilli (rods), aerobic

Question 18

Campylobacter

Answer 18

campylobacter jejuni
gram negative, bacilli (rods), aerobic

Question 19

Enterobacterales

Answer 19

found in the intestinal tract of humans as part of the normal flora
gram negative, bacilli (rods), aerobic
citrobacter freundii
escherichia coli
klebsiella aerogenes
klebsiella pneumoniae
klebsiella oxytoca
proteus mirabilis
proteus vulgaris
salmonella enteroitidis
salmonella typhi
serratia marcescens
shigella dysenteriae

Question 20

Haemophilus

Answer 20

haemophilus influenzae
gram negative, bacilli (rods), aerobic

Question 21

Helicobacter`

Answer 21

helicobacter pylori
gram negative, bacilli (rods), aerobic

Question 22

Legionella

Answer 22

legionella pneumophilia
gram negative, bacilli (rods), aerobic

Question 23

Pseudomonas

Answer 23

pseudomonas aeruginos
gram negative, bacilli (rods), aerobic

Question 24

Rickettsia

Answer 24

gram negative, bacilli (rods), aerobic

Question 25

Stenotrophomonas

Answer 25

*stenotrophomonas maltophilia* gram negative, bacilli (rods), aerobic

Question 26

Vibrio

Answer 26

*vibrio cholerae* gram negative, bacilli (rods), aerobic

Question 27

Bacteroides

Answer 27

*bacteroides fragilis* gram negative, bacilli (rods), anaerobic

Question 28

Prevotella

Answer 28

gram negative, bacilli (rods), anaerobic

Question 29

Fusobacterium

Answer 29

gram negative, bacilli (rods), anaerobic

Question 30

Treponema

Answer 30

*treponema pallidum* gram negative, spirochetes (spiral)

Question 31

Borrelia

Answer 31

*borrelia burgdorferi* gram negative, spirochetes (spiral)

Question 32

Leptospira

Answer 32

*leptospira interrogans* gram negative, spirochetes (spiral)

Question 33

Mycobacterium

Answer 33

acid-fast, bacilli (rods) *mycobacterium tuberculosis, mycobacterium kansasii, mycobacterium avium-intracellulare complex (MAC), mycobacterium leprae*

Question 34

Chlamydia

Answer 34

atypical bacteria, cell wall similar to gram negative but lack peptidoglycan *chlamydia trachomatis, chlamydophila pneumoniae*

Question 35

Mycoplasma pneumoniae

Answer 35

atypical bacteria, lacks cell wall