Gram-Negative, Catalase-POSITIVE, Oxidase-POSITIVE, MAC-POSITIVE Bacilli

Question 1

the only organism under this classifacation that is motile

Answer 1

Burkholderia mallei

Question 2

the optimum temperature for growth of these organisms

Answer 2

30 to 37C

– mesophilic

Question 3

causes severe infection in horses

Answer 3

Burkholderia mallei

Question 4

a plant pathogen that is only rarely found in the sputa of patients with cystic fibrosis or associated granulomatous disease

Answer 4

Burkholderia gladioli

Question 5

most commonly encounted gram negative bacilli that is not a member of Enterobacteriaceae

Answer 5

Pseudomonas aeruginosa

Question 6

organism that is capable of surviving inside phagocytes

Answer 6

Burkholderia pseudomallei

Question 7

disease caused by Burkholderia pseudomallei

Answer 7

melioidosis

Question 8

virulence factors of Pseudomonas aeruginosa

Answer 8

Exotoxin A
pili
alginate -- polysaccharide polymer that inhibits phagocytosis; potential infection in patients with cystic fibrosis
pyocyanin 
pyoverdin

Question 9

key pathogen that infects patients with cystic fibrosis

Answer 9

Pseudomonas aeruginosa

Question 10

transmission occurs by the contamination of pharmaceutical solutions

Answer 10

Elizabethkingia meningoseptica

–able to survive in chlorinated tap water

Question 11

cause rice water stools

Answer 11

Vibrio cholerae