Gram Negative Bacteria Identification

Question 1

Distinguished from Neisseria, these bacteria produce a positive butyrate test

Answer 1

Moraxella Catarrhalis

Question 2

These Verruga peruana lesions characterize which type of infection?

Answer 2

Bartonellosis (Bartonella)

Question 3

This rare glandular tularemia is characteristic of this aerobic gram-negative zoonotic bacteria

Answer 3

Francisella Tularensis

Question 4

Name the 3 different stages depicted by the graph and name the associated gram-negative bacteria

Answer 4

Catarrhal - Paroxysmal - Convalescent

Bordetella Pertussis

Question 5

These un-capsulated, chocolate agar growing diplococci secrete IgA proteases to avoid antibody mediated killing

Answer 5

Neisseria Gonorrhoeae

Question 6

This image demonstrates peritrichous flagella, common to a bacteria that causes kidney stones due to its urease production

Answer 6

Proteus spp.

Question 7

On the right:

H2S production from this motile bacterium produces black colonies on HE and XLD agars

Answer 7

Salmonella spp.

Question 8

This curved bacteria distinguishes itself from the other curved bacteria by being urease positive

Answer 8

Helicobacter pylori

Question 9

This bile-resistant, lactose fermenting bacterium grows pink on MacConkey agar

Answer 9

Escherichia Coli

Question 10

This bacteria causes meningitis, epiglottitis, and cellulitis.

Answer 10

Haemophilus Influenzae

Question 11

These bacteria adhere to ciliated epithelial cells via pertactin, filamentous hemagglutinin, and fimbria adhesins

Answer 11

Bordetella Pertussis

Question 12

This thin-curved rod grows best at 42 degrees C

Answer 12

Campylobacter Jejuni

Question 13

Bipolar staining and Yops proteins that decrease phagocytic killing comprise hallmarks this bacteria

Answer 13

Yersinia Pestis

Question 14

This curved bacteria causes profuse watery diarrhea with mucus that appears as “rice water”

Answer 14

Vibrio Cholerae