Gram Negative SUMMARY

Question 1

Gram Negative Diplococci

Answer 1

Neisseria meningitidis

Neisseria gonorrhoeae

Question 2

Gram Negative Rods

Answer 2

Escherichia coli
Klebsiella pneumoniae
Vibrio cholerae
Campylobacter jejuni
Helicobacter pylori

Question 3

Non-lactose Fermenting Gram Negative Rods

Answer 3

Salmonella spp
Shigella spp
Proteus mirabilis
Pseudomonas aeruginosa

Question 4

G- diplococci, encapsulated, ferments maltose and glucose

Answer 4

Neisseria meningitidis

Question 5

G- diplococci, insignificant capsule, ferments glucose only

Answer 5

Neisseria gonorrhoeae

Question 6

G- rod, lactose fermenter, green sheen

Answer 6

Escherichia coli

Question 7

G- rod, lactose fermenter, urease positive, ESBL

Answer 7

Klebsiella pneuomniae

Question 8

G- rod, comma-shaped, motile, oxidase positive

Answer 8

Vibrio cholerae

Question 9

G- rod, comma-shaped, microaerophilic, Skirrow’s agar

Answer 9

Campylobacter jejuni

Question 10

G- rod, comma-shaped, urease positive

Answer 10

Helicobacter pylori

Question 11

G- rod, non-lactose-fermenting, motile oxidase negative, H2S producer

Answer 11

Salmonella spp

Question 12

G- rod, non-lactose-fermenting, non-motile, oxidase negative, H2S non-producer

Answer 12

Shigella spp

Question 13

G- rod, non-lactose-fermenting, swarming, oxidase negative, H2S producer, urease positive

Answer 13

Proteus mirabilis

Question 14

G- rod, non-lactose-fermenting, oxidase positive, H2S non producer, obligate aerobe

Answer 14

Pseudomonas aeruginosa