Multiple Choice Question on Pseudomonas spp & Acinetobacter spp
1) Which of the following are not the general characteristics of Pseudomonas spp?
a) Rod-shaped, curved
b) Motile
c) Found in soil and water and plants
d) All species cause diseases in humans only
2) Pseudomonas aeruginosa produces a water-soluble blue color pigment called pyocyanin and ….......................color pigment pyoverdin.
a) Green
b) Blue-green
c) Red
d) Pink-red
3) Patients with cystic fibrosis infection suffer from a chronic lung infection caused by Pseudomonas aeruginosa.
a) Rod-shaped, curved
b) Motile
c) Found in soil and water and plants
d) All species cause diseases in humans only
2) Pseudomonas aeruginosa produces a water-soluble blue color pigment called pyocyanin and ….......................color pigment pyoverdin.
a) Green
b) Blue-green
c) Red
d) Pink-red
3) Patients with cystic fibrosis infection suffer from a chronic lung infection caused by Pseudomonas aeruginosa.
The bacterial growth results in the formation of................................in the host cells.
a) Pigment
b) Biofilm
c) White blood cells
d) Endotoxin
4) Which of the following temperature and incubation periods is the most optimal for the bacteria?
a) 42 degree Celsius for 48 hours
b) 37 degree Celsius for 48 hours
c) 42 degrees Celsius for 24 hours
d) 37 degree Celsius for 42 hours
5) All of the following are the cultural and morphological characteristics of Pseudomonas aeruginosa, except
a) The optimum temperature for growth is 37c and 42c
b) It is a common opportunistic pathogen
c)A lactose fermenting bacteria
d) A gram negative aerobic bacillus
7) P. aeruginosa is responsible for one of the common nosocomial infections primarily seen in immunocompromised patients.
a) Pigment
b) Biofilm
c) White blood cells
d) Endotoxin
4) Which of the following temperature and incubation periods is the most optimal for the bacteria?
a) 42 degree Celsius for 48 hours
b) 37 degree Celsius for 48 hours
c) 42 degrees Celsius for 24 hours
d) 37 degree Celsius for 42 hours
5) All of the following are the cultural and morphological characteristics of Pseudomonas aeruginosa, except
a) The optimum temperature for growth is 37c and 42c
b) It is a common opportunistic pathogen
c)A lactose fermenting bacteria
d) A gram negative aerobic bacillus
7) P. aeruginosa is responsible for one of the common nosocomial infections primarily seen in immunocompromised patients.
Which of the following route is a high risk for the transfer of the pathogen to the susceptible patient?
a) Surgical procedures, burns
b) Contaminated ventilators
c) Air droplets
d) All of the above
8) The main structural component 'pili' is important in the virulence factor of P. aeruginosa.
a) Surgical procedures, burns
b) Contaminated ventilators
c) Air droplets
d) All of the above
8) The main structural component 'pili' is important in the virulence factor of P. aeruginosa.
Which of the following is Not the most common pathogenic factor of the bacteria?
a) Hemolysins
b) Phospholipase B
c) Pigments
d) Extracellular protease
9) All of the following gram-negative bacteria are common pathogens associated with nosocomial infections, Except?
a) Acinetobacter baumanii
b) Klebsiella oxytoca
c) Pseudomonas aeruginosa
d) Candida albicans
10) Which one of the following is not the general characteristic of the HACEK ( Haemophilus, Aggregatibacter, Cardiobacterium, Eikinella, Kingella) organisms?
a) Normal flora of the oral cavity
b) Require CO2 for growth
c) Grow well on MacConkey agar
d) Causative agents of infectious endocarditis
11) P. aeruginosa is becoming more resistant to antibiotics over the years.
a) Hemolysins
b) Phospholipase B
c) Pigments
d) Extracellular protease
9) All of the following gram-negative bacteria are common pathogens associated with nosocomial infections, Except?
a) Acinetobacter baumanii
b) Klebsiella oxytoca
c) Pseudomonas aeruginosa
d) Candida albicans
10) Which one of the following is not the general characteristic of the HACEK ( Haemophilus, Aggregatibacter, Cardiobacterium, Eikinella, Kingella) organisms?
a) Normal flora of the oral cavity
b) Require CO2 for growth
c) Grow well on MacConkey agar
d) Causative agents of infectious endocarditis
11) P. aeruginosa is becoming more resistant to antibiotics over the years.
Select all the important drugs used in the treatment of urinary tract infections caused by the bacteria
a) Azithromycin
b) Norfloxacin
c) Cephalosporin
d) Acetaminophen
12) Which of the following are the most common gram-negative bacteria found in a specimen that can grow in burned wounds or skins?
a) Streptococcus epidermidis
b) Pseudomonas aeruginosa
c) Acinetobacter baumannii
d) Moraxella catarahalis
13) Acinetobacter baumannii is most commonly found in..............................
a) Chickens
b) Soil
c) Mice
d) Bats
14) Which of the following bacteria is a small, capnophilic, gram-negative, oxidase-positive bacillus that can be isolated from human bite infections?
a) Eikenella corrodens
b) Moraxella spp
c) Proteus vulgaris
d) Burkholderia mallie
15) Capnophiles are microorganisms that can grow in high concentrations of............................
a) Oxygen
b) Sugar
c) Carbon dioxide
d) pH
16)The following bacteria is an opportunistic pathogen that is commonly isolated from hospitalized patients with chronic lung infections and is also a primary plant pathogen
a) Enterobacter aerogenes
b) Burkholderia cepacia
c) Pseudomonas aeruginosa
d) Acinetobacter baumanii
17) All of the following statements regarding Acinetobacter baumanii are correct, Except?
a) Primary pathogen in nosocomial infections
b) Ubiquitous in nature
c) Causes skin infection
d) Sulfonamides are the drug of choice
18) Which of the following gram-negative bacteria is an important plant pathogen?
a) Pseudomonas syringae
b) Burkholderia glanders
c) Fusarium spp
d) Capnocytophaga spp
19) Name the bacteria used as bioremediation agents that have the ability to degrade organic solvents such as toluene.
a) Pseudomonas syringae
b) Acinetobacter baumannii
c) Pseudomonas alcaligens
d) Pseudomonas putida
20) Pseudomonas aeruginosa is resistant to most antibiotics that are mainly due to the chromosomally encoded antibiotic resistance genes and the................................................of the bacterial cellular envelopes.
a) Low susceptibility
b) High permeability
c) Low permeability
d) High susceptibility
a) Azithromycin
b) Norfloxacin
c) Cephalosporin
d) Acetaminophen
12) Which of the following are the most common gram-negative bacteria found in a specimen that can grow in burned wounds or skins?
a) Streptococcus epidermidis
b) Pseudomonas aeruginosa
c) Acinetobacter baumannii
d) Moraxella catarahalis
13) Acinetobacter baumannii is most commonly found in..............................
a) Chickens
b) Soil
c) Mice
d) Bats
14) Which of the following bacteria is a small, capnophilic, gram-negative, oxidase-positive bacillus that can be isolated from human bite infections?
a) Eikenella corrodens
b) Moraxella spp
c) Proteus vulgaris
d) Burkholderia mallie
15) Capnophiles are microorganisms that can grow in high concentrations of............................
a) Oxygen
b) Sugar
c) Carbon dioxide
d) pH
16)The following bacteria is an opportunistic pathogen that is commonly isolated from hospitalized patients with chronic lung infections and is also a primary plant pathogen
a) Enterobacter aerogenes
b) Burkholderia cepacia
c) Pseudomonas aeruginosa
d) Acinetobacter baumanii
17) All of the following statements regarding Acinetobacter baumanii are correct, Except?
a) Primary pathogen in nosocomial infections
b) Ubiquitous in nature
c) Causes skin infection
d) Sulfonamides are the drug of choice
18) Which of the following gram-negative bacteria is an important plant pathogen?
a) Pseudomonas syringae
b) Burkholderia glanders
c) Fusarium spp
d) Capnocytophaga spp
19) Name the bacteria used as bioremediation agents that have the ability to degrade organic solvents such as toluene.
a) Pseudomonas syringae
b) Acinetobacter baumannii
c) Pseudomonas alcaligens
d) Pseudomonas putida
20) Pseudomonas aeruginosa is resistant to most antibiotics that are mainly due to the chromosomally encoded antibiotic resistance genes and the................................................of the bacterial cellular envelopes.
a) Low susceptibility
b) High permeability
c) Low permeability
d) High susceptibility
Multiple Choice Answers
1-d) All species cause diseases in humans only
2-a) Green
3-b) Biofilm
4-a) 42-degree celsius for 48 hours
5-c) A lactose fermenting bacteria
7-d)All of the above
8-b) Phospholipase B
9-d) Candida albicans (C. albicans is a type of fungi)
10-d) Causative agents of infectious endocarditis
11- b) and c)
12-b) Pseudomonas aeruginosa
13-b) Soil
14-a) Eikenella corrodens
15-c) Carbon dioxide
16-b) Burkholderia cepacia
17-d) Sulfonamides are the drug of choice. Carbapenems are the drug of choice, the drug which comes under the beta lactam types of antibiotic
18-a) Pseudomonas syringae
19-d) Pseudomonas putida
20-c) Low permeability
2-a) Green
3-b) Biofilm
4-a) 42-degree celsius for 48 hours
5-c) A lactose fermenting bacteria
7-d)All of the above
8-b) Phospholipase B
9-d) Candida albicans (C. albicans is a type of fungi)
10-d) Causative agents of infectious endocarditis
11- b) and c)
12-b) Pseudomonas aeruginosa
13-b) Soil
14-a) Eikenella corrodens
15-c) Carbon dioxide
16-b) Burkholderia cepacia
17-d) Sulfonamides are the drug of choice. Carbapenems are the drug of choice, the drug which comes under the beta lactam types of antibiotic
18-a) Pseudomonas syringae
19-d) Pseudomonas putida
20-c) Low permeability
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