Pseudomonas and Acinetobacter Characteristics Review

Flashcards designed to help review the characteristics and identification of Pseudomonas and Acinetobacter species in clinical bacteriology.

Pseudomonas mendocina is often considered a __.

contaminant

Pseudomonas mendocina colonies appear with __ pigment.

yellowish-brown

Pseudomonas pseudoalcaligenes is oxidase __.

positive

Pseudomonas luteola and Pseudomonas oryzihabitans are __ on MAC agar.

growing

Acinetobacter baumannii is known for causing __ infections.

nosocomial

Acinetobacter spp. are ___ aerobic.

strictly

Pseudomonas aeruginosa is the leading cause of __ infections.

nosocomial respiratory tract

Pseudomonas aeruginosa produces an extracellular polysaccharide known as __.

alginate

Pseudomonas fluorescens is __ for pyocyanin.

negative

Pseudomonas stutzeri can reduce nitrate to __.

nitrite

Pseudomonas spp. have __ motility due to polar flagella.

high

Pseudomonas aeruginosa infections can lead to __ rash in hot tubs.

crotizing skin

Acinetobacter baumannii is characterized by being __ and non-hemolytic.

saccharolytic

Pseudomonas luteola produces an intracellular __ pigment.

nondiffusible yellow

Pseudomonas spp. generally grow at __ °C.

37-42

Pseudomonas aeruginosa is __ resistant and can utilize acetamide as a carbon source.

carbapenem

Pseudomonas luteola is oxidase __.

negative

The two common characteristics of Acinetobacter spp. are being oxidase __ and catalase positive.

negative

Pseudomonas aeruginosa's characteristic odor is often described as __ or corn taco.

fruity, grapelike

Pseudomonas stutzeri produces __ colonies on Ashdown medium.

wrinkled

Pseudomonas pseudoalcaligenes and Pseudomonas alcaligenes are __ in many biochemical tests.

negative

Pseudomonas spp. are classified as __ fermentative gram-negative bacilli.

non

The virulence factor, exotoxin A in Pseudomonas aeruginosa, is similar to that of __ toxin.

diphtheria

Pseudomonas fluorescens can be differentiated from other fluorescent pseudomonads by its ability to produce acid from __.

xylose

Infections caused by Acinetobacter spp. commonly include __ and pneumonia.

UTIs

Pseudomonas aeruginosa is characterized by its __ hemolytic colonies on BAP.

B-

Pseudomonas aeruginosa is known for having distinct green-colored __ colonies.

pigmented

The hallmark culture media for Pseudomonas aeruginosa is __ agar.

Cetrimide

Pseudomonas spp. are usually __ and grow well in aerobic environments.

motile

Stenotrophomonas maltophilia is typically known for __ infections in IV drug users.

endocarditis

Pseudomonas spp. are generally oxidase __ except for P. luteola.

positive

Acinetobacter spp. are Gram __ coccobacilli.

negative

Pseudomonas stutzeri exhibits __ in nutrient-poor environments.

anaerobic growth

The typical appearance of Pseudomonas spp. is described as __ colonies.

flat

Pseudomonas oryzihabitans is known to produce a __ in the lab.

buttery appearance

Acinetobacter baumannii is recognized for being part of the __ species.

Moraxellaceae

Achromobacter xylosoxidans is often confused with pathogenic Pseudomonas due to its __ characteristics.

similar

Burkholderia cepacia grows pink colonies on __ agar.

MAC

Pseudomonas spp. are generally catalase __.

positive

Pseudomonas aeruginosa can cause __ infections particularly in patients with cystic fibrosis.

pulmonary

Motility tests reveal Pseudomonas spp. exhibit __ motility.

polar flagellar

The characteristic __ produced by Pseudomonas aeruginosa has clinical relevance in wound infections.

exotoxins

Brown-black pigment in Pseudomonas spp. is caused by __ acid.

2-aminoacetophenone

The most common nosocomial infection caused by Pseudomonas aeruginosa is __.

bacteremia

Pseudomonas spp. are distinguished by their ability to grow on __ agar.

MacConkey

Alkaligenes faecalis can produce an odor resembling __.

apple-like

Pseudomonas mendocina's colony type is described as __ colonies.

nonwrinkled