Symptoms/Causes/Virulence

Question 1

What organism causes pneumonia, endocarditis, bacteremia, and meningitis?

Answer 1

E. meningosepticum

Question 2

What does B. mallei, a potential bioterror agent cause?

Answer 2

Glanders disease
Respiratory tract zoonosis

Question 3

What does B. pseudomallei cause?

Answer 3

Melioidosis
An aggressive granulomatous pulmonary disease

Question 4

What can B. cepacia cause in patients with CF or Chronic granulomatous disease (CGD)?

Answer 4

Pneumonia

Question 5

What are P. fluorescencs and P. putida commonly associated with?

Answer 5

Transfusion Septicemia
Urine
Cosmetics
Hospital equipment
Fluids

Question 6

Septicemia, Pneumonia, Endocarditis, Septic arthritis, Conjunctivitis and UTI’s can all be classified as?

Answer 6

Clinical infections of P. stutzeri

Question 7

What is a very rare pathogen in the clinical lab that causes pneumonia especially in CF patients?

Answer 7

Pseudomonas stutzeri

Question 8

What are the main virulence factors of P. aeruginosa?

Answer 8

Endotoxins (LPS)
Exotoxins (Exo A)
Alginate (CF patients)
Capsule

Question 9

What percentage does P. aeruginosa account for nosocomial infections?

Answer 9

5% -15%
Pneumonia and bacteremia

Question 10

What are the symptoms of C. jejuni?

Answer 10

Cramps
Bloody diarrhea
Chills
Fever

Question 11

What is the most common cause of bacterial gastroenteritis worldwide?

Answer 11

C. jejuni

Question 12

What is ranked fourth in the most common causes of foodborne gastrointestinal illness?

Answer 12

Campylobacter

Question 13

What are the three major forms of Gastroenteritis?

Answer 13

Watery diarrhea
Chronic disease
Dysenteric form resembling colotis

Question 14

Who is at a higher risk of Plesiomonas?

Answer 14

Vets/zookepers

Question 15

What is the causative agent of cholera? How is it transmitted? How is it treated?

Answer 15

V. cholera
Brackish water/raw seafood
IV and oral fluids containing electrolytes

Question 16

What Vibrio spp causes gastroenteritis and rice water stool?

Answer 16

Vibrio cholera

Question 17

Which organism has travel to coastal or choler endemic areas as a risk factor?

Answer 17

Vibrio spp. infection

Question 18

Which form of Y. pestis is transmitted through respiratory droplets?

Answer 18

Pneumonic plague form

Question 19

How is bubonic plague transferred?

Answer 19

Through the bite of infected fleas

Question 20

What happens in the septicemic form of Y. pestis?

Answer 20

Occurs when bacteria migrate to the bloodstream

Question 21

What can Y. pestis cause in clinical infections?

Answer 21

Bubonic
Septicemic/pneumonic

Question 22

What is an organism that causes bacillary dysentery?

Answer 22

Shigella spp.
Also known is Shigellosis

Question 23

What is a febrile disease that results from the ingestion of contaminated food cause by S. typhi?

Answer 23

Typhoid Fever

Question 24

What are symptoms of Salmonellosis?

Answer 24

Nausea, watery diarrhea, vomiting
Appear 8-36 hours

Question 25

What are sources of infection for S. enterica?

Answer 25

Poulty Milk Eggs

Question 26

What is a virulence factor of Salmonella enterica?

Answer 26

Enterotoxin Causes Gastroenteritis Also: Adhesion to intestine Traverse intestinal mucosa

Question 27

What is a virulence factor for Klebsiella spp.?

Answer 27

Polysaccharide capsule

Question 28

What are Klebsiella, Enterobacter, Serratia, Pantoea, Cronobacter, and Hania spp. most associated with?

Answer 28

Opportunistic and Nosocomial infections

Question 29

What are the conditions E. coli 0157:H7 is associated with?

Answer 29

Watery diarrhea - bloody diarrhea Hemolytic uremic syndrome (HUS) Hemorrhagic diarrhea Colitis

Question 30

What percentage of adults carry Acinetobacter spp. on their skin and pharynx?

Answer 30

Skin: 25% Pharynx: 7%