Gram Staining Reactions

Question 1

What are the Gram stain negative cocci?

Answer 1

Neisseria

Moraxella

Question 2

How does Neisseria Gram stain?

Answer 2

Gram negative cocci

Question 3

How does Moraxella Gram stain?

Answer 3

Gram negative cocci

Question 4

What are the Gram stain negative rods?

Know top 6.

Answer 4

Pseudomonas
Haemophilus
Legionella
Bordatella
Francisella
Pasteurella
Burkholderia
Acinetobacter
Eikenella
Kingella
Bartonella
Brucella
Capnocytophaga

Question 5

What are the Gram stain negative curved or helical rods?

Answer 5

Campylobacter
Helicobacter
Vibrio

Question 6

How does Pseudomonas Gram stain?

Answer 6

Gram negative rods

Question 7

How does Haemophilus Gram stain?

Answer 7

Gram negative rods

Question 8

How does Legionella Gram stain?

Answer 8

Gram negative rods (need increased counterstain time)

Question 9

How does Bordatella Gram stain?

Answer 9

Gram negative rods

Question 10

How does Francisella Gram stain?

Answer 10

Gram negative rods

Question 11

How does Pasteurella Gram stain?

Answer 11

Gram negative rods

Question 12

How does Campylobacter Gram stain?

Answer 12

Gram negative curved rod

Question 13

How does Helicobacter Gram stain?

Answer 13

Gram negative helical rod

Question 14

How does Vibrio Gram stain?

Answer 14

Gram negative comma-shaped rod

Question 15

List the Enterobacteriaceae and their stain?

Answer 15

Gram negative
Escherichia
Shigella
Salmonella
Klebsiella
Proteus
Yersinia
Aeromonas
Serratia
Citrobacter
Enterobacter

Question 16

How does Escherichia Gram stain?

Answer 16

Gram negative rod; Enterobacteriaceae

Question 17

How does Shigella Gram stain?

Answer 17

Gram negative rod; Enterobacteriaceae

Question 18

How does Salmonella Gram stain?

Answer 18

Gram negative rod; Enterobacteriaceae

Question 19

How does Klebsiella Gram stain?

Answer 19

Gram negative rod; Enterobacteriaceae

Question 20

How does Proteus Gram stain?

Answer 20

Gram negative rod: Enterobacteriaceae

Question 21

How does Yersinia Gram stain?

Answer 21

Gram negative rod; Enterobacteriaceae

Question 22

What are the Gram stain negative anaerobic rods?

Answer 22

Bacteroides (only the B in ABCs of anaerobes is Gram -)
Prevotella
Porphyromonas
Fusobacterium

Question 23

What are the Gram stain gram-variable rods?

Answer 23

Gardnerella

Mobiluncus

Question 24

What are the Gram stain negative spirochetes?

Answer 24

Treponema
Borrelia
Leptospira

Question 25

How does Treponema Gram stain?

Answer 25

Gram negative spirochete

Question 26

How does Borrellia Gram stain?

Answer 26

Gram negative spirochete

Question 27

How does Leptospira Gram stain?

Answer 27

Gram negative spirochete

Question 28

What are the Gram stain positive cocci?

Answer 28

Staphylococcus Streptococcus Enterococcus (not to be confused with enterobacteriaceae)

Question 29

How does Staphylococcus Gram stain?

Answer 29

Gram positive cocci

Question 30

How does Streptococcus Gram stain?

Answer 30

Gram positive cocci

Question 31

How does Enterococcus Gram stain?

Answer 31

Gram positive cocci

Question 32

What are the Gram positive aerobes or facultative anaerobes?

Answer 32

``` Bacillus Listeria Corynebacterium Nocardia Mycobacterium ```

Question 33

How does Bacillus Gram stain?

Answer 33

Gram positive rod

Question 34

How does Listeria Gram stain?

Answer 34

Gram positive rod

Question 35

How does Corynebacterium Gram stain?

Answer 35

Gram positive rod

Question 36

How does Nocardia Gram stain?

Answer 36

Gram positive rod

Question 37

How does MycoBACTERIUM Gram stain?

Answer 37

Gram positive rod

Question 38

What are the Gram positive anaerobes?

Answer 38

Clostridium Actinomyces Propionbacterium Lactobacillus

Question 39

How does Clostridium Gram stain?

Answer 39

Gram positive rod; anaerobic

Question 40

How does Actinomyces Gram stain?

Answer 40

Gram positive rod; anaerobic

Question 41

How does Propionbacterium Gram stain?

Answer 41

Gram positive rod; anaerobic

Question 42

How does Lactobacillus Gram stain?

Answer 42

Gram positive rod; anaerobic

Question 43

What are the non-Gram staining bacteria?

Answer 43

``` Mycoplasma Ureaplasma Rickettsia Ehrlichia Coxiella Chlamydia Chlamydophila ```

Question 44

How does MycoPLASMA Gram stain?

Answer 44

Non-Gram staining

Question 45

How does Ureaplasma Gram stain?

Answer 45

Non-Gram staining

Question 46

How does Rickettsia Gram stain?

Answer 46

Non-Gram staining

Question 47

How does Ehrlichia Gram stain?

Answer 47

Non-Gram staining

Question 48

How does Coxiella Gram stain?

Answer 48

Non-Gram staining

Question 49

How does Chlamydia Gram stain?

Answer 49

Non-Gram staining

Question 50

How does Chlamydophila Gram stain?

Answer 50

Non-Gram staining

Question 51

Which organisms are acid-fast?

Answer 51

Mycobacterium | Nocardia - partial acid-fast

Question 52

Which organisms form spores?

Answer 52

Bacillus | Clostridium

Question 53

Which organisms have branching rods?

Answer 53

Actinomyces | Nocardia

Question 54

Which organisms are facultative intracellular?

Answer 54

Listeria | Mycobacterium

Question 55

Which organism is catalase positive, coagulase positive?

Answer 55

Staphylococcus aureus

Question 56

Which organisms are catalase positive and coagulase negative?

Answer 56

Staphylococcus epidermidis | Staphylococcus saprophyticus

Question 57

Which organism is catalase positive, coagulase negative and novobiocin sensitive?

Answer 57

Staphylococcus epidermidis

Question 58

Which organism is catalas positive, coagulase negative and novobiocin resistant?

Answer 58

Staphylococcus saprophyticus

Question 59

Describe Staphylococcus aureus?

Answer 59

Catalase positive Coagulase positive Ferments mannitol

Question 60

Describe Staphylococcus epidermidis?

Answer 60

Catalase positive Coagulase negative Novobiocin sensitive

Question 61

Describe Staphylococcus saprophyticus?

Answer 61

Catalase positive Coagulase negative Novobiocin resistant

Question 62

Which organism is catalase negative and optochin sensitive?

Answer 62

Streptococcus pneumoniae

Question 63

Which organism is catalase negative and optochin resistant?

Answer 63

Viridans

Question 64

Which organism is catalase negative and bacitracin sensitive?

Answer 64

Streptococcus pyogenes (GAS)

Question 65

Which organism is catalse negative and bacitracin resistant?

Answer 65

Streptococcus agalactiae (GBS)