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81 Cards in this Set

  • Front
  • Back

Are Enterobacteriaceae oxidase positive or negative?

Oxidase negative

True or False: Enterobacteriaceae are facultative anaerobes

True

True or False: Enterobacteriaceae cannot ferment sugars

False

How do you get Salmonella enterica?

From poultry and eggs

What does Salmonella enterica cause?

Self-limiting enterocolitis

Salmonella enterica has many different varieties. What are they based on?

Different O and H antigens

What does Salmonella Typhi cause?

Enteric (typhoid) fever

How is Salmonella Typhi transmitted?

From human to human

What vaccines are available for Salmonella Typhi?

Vi capsule vaccine


Living Ty21a vaccine

What happens very early in infection with Salmonella choleraesuis?

Systemic spread

What does Salmonella choleraesuis cause?

Focal lesions (brain damage)

What does Shigella sonnei cause?

Bacillary dysentery (blood and pus from colonic damage)

What is the most common cause of bacillary dysentery?

Shigella sonnei

What toxin does Shigella dysenteriae produce?

Shiga toxin

What does Sigella dysenteriae cause?

Severe bacillary dysentery


Hemolytic uremic syndrome (HUS)

Escherichia coli is the common cause of what two things?

Urinary tract infections (UPEC)

Neonatal meningitis



What does ETEC stand for?

Enterotoxigenic Escherichia coli

What does ETEC cause?

Traveler's diarrhea and infantile diarrhea in developing countries

What are the toxins produced by ETEC?

ST: Heat stable enterotoxin; LT: Heat labile enterotoxin

What does EHEC stand for?

Enterohemorrhagic Escherichia coli

What does EHEC cause?

Colitis, blood diarrhea, and HUS

What is another name for EHEC?

O157:H7

What toxin does EHEC produce?

Shiga toxin

True or False: EHEC has A&E lesions.

True

What does EPEC stand for?

Pathogenic Escherichia coli

What does EPEC cause?

Acute infantile diarrhea in developing countries

True or False: EPEC does not have A&E lesions

False

What does Klebsiella pneumoniae cause?

Severe pneumonia, UTIs

What does Klebsiella pneumoniae look like on a plate?

Slime

Are Klebsiella pneumoniae motile or nonmotile

Nonmotile

What is a coliform?

A commonly used indicator of sanitary quality of foods and water

Is Klebsiella pneumoniae a coliform bacteria?

Yes

True or False: Enterobacter is not a coliform bacteria

False

What does Enterobacter cause?

UTIs

What is Proteus mirabilis known for?

Its "swarming" ability

What does Proteus mirabilis cause?

UTIs and can create infection related kidney stones

What epidemic was Yersinia pestis responsible for?

The black death

What does Yersinia pestis cause?

Bubonic and pneumonic plagues

How is Yersinia pestis acquired?

From a rat flea

Why does Yersinia enterocolitica create severe abdominal pain similar to appendicitis?

It disseminated to mesenteric lymph nodes

What is Yersinia enterocolitica?

A food-borne diarrheal (watery or bloody) illness

Where do you get Yersinia enterocolitica?

Animals or unpasteurized milk

What shape are Vibronaceae?

Comma shaped

Are Vibrionaceae oxidase positive or negative

positive

What does Vibrio cholerae cause?

Cholera and acute explosive diarrhea

What toxin does Vibrio cholerae produce?

Cholera Toxin

How is Cholera treated?

Oral rehydration therapy



What kind of vaccine is used for Vibrio cholerae?

Killed vaccine

True or False: Vibrio Parahemolyticus are halophilic.

True

How do you get Vibrio parahemolyticus?

From eating contaminated raw or partially cooked seafood

What does Vibrio parahemolyticus cause?

Acute gastroenteritis

Do Vibrio vulnificus thrive in areas with low salt concentration?

No

What can Vibrio vulnificus cause?

Severe skin lesions (from exposure of broken skin to sea water), inflammation of the colon (enteritis), invasive bacteremia, and death

What type of organism is Campylocacter jejuni in terms of oxygen concentration to grow?

Microaerophile; Needs oxygen but is poisoned by high amounts

What does Campylocacter jejuni cause?

Diarrhea and dysentery

How do you get Campylocacter jejuni?

Poultry

What type of organism is Helicobacter pylori in terms of oxygen concentration to grow?

Microaerophile; Needs oxygen but is poisoned by high amounts

What enzyme does Helicobacter pylori produce?

Urease

What does Helicobacter pylori cause?

Gastritis, duodenal and gastric ulcers, and gastric cancer

What does Pseudomonas aeruginosa produce that acts like diphtheria toxin?

Exotoxin A

What does Pseudomonas aeruginosa infect?

Wounds and burns

True or False: Pseudomonas aeruginosa causes bone cancer in cystic fibrosis patients.

False; It causes respiratory infections

Why is treatment for Acinetobacter baumannii complicated?

It is a multidrug resistant bacteria

How do you get Francisella tularensis?

Through the skin from contact with rabbits, ingestion, inhalation, and bite from an arthropod

What does Francisella tularensis cause?

Tularemia (rabbit fever) and skin lesions

What specific Brucella is present in cows?

Brucella abortus

What specific Brucella is present in pigs?

Brucella suis

What specific Brucella is present in goats?

Brucella melitensis

What do the Brucella bacteria cause?

Severe systemic infection, undulant fever (comes in waves), and joint and muscle pain

True or False: Pasteurization destroys Brucella in milk.

True

What does Haemophilus influenzae cause in children?

Meningitis and sepsis

What media does Haemophilus influenzae grow on?

Supplemented chocolate agar

What vaccine is given to children for Haemophilus influenzae?

Hib Conjugated Capsule Vaccine

What factors do Haemophilus influenzae and Haemophilus aegyptius require?

V and X factors

What does Haemophilus aegyptius cause?

Pink eye

True or False: Bordetella pertussis will not cause a severe respiratory infection in children

False

What toxin does Bordetella pertussis produce?

Pertussis Toxin

What vaccine is given for Bordetella pertussis?

Toxoid and Adhesins in DTaP

What is Legionnaires' disease?

Severe pneumonia

What does Legionella pneumophila cause?

Legionnaires' disease and Pontiac fever (less severe)

Where do you get Legionella pneumophila?

Aerosolized contaminated water from AC cooling towers, fountains, spas, and mist sprayers