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81 Cards in this Set
- Front
- Back
Are Enterobacteriaceae oxidase positive or negative? |
Oxidase negative |
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True or False: Enterobacteriaceae are facultative anaerobes |
True |
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True or False: Enterobacteriaceae cannot ferment sugars |
False |
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How do you get Salmonella enterica? |
From poultry and eggs |
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What does Salmonella enterica cause? |
Self-limiting enterocolitis |
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Salmonella enterica has many different varieties. What are they based on? |
Different O and H antigens |
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What does Salmonella Typhi cause? |
Enteric (typhoid) fever |
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How is Salmonella Typhi transmitted? |
From human to human |
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What vaccines are available for Salmonella Typhi? |
Vi capsule vaccine Living Ty21a vaccine |
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What happens very early in infection with Salmonella choleraesuis? |
Systemic spread |
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What does Salmonella choleraesuis cause? |
Focal lesions (brain damage) |
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What does Shigella sonnei cause? |
Bacillary dysentery (blood and pus from colonic damage) |
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What is the most common cause of bacillary dysentery? |
Shigella sonnei |
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What toxin does Shigella dysenteriae produce? |
Shiga toxin |
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What does Sigella dysenteriae cause? |
Severe bacillary dysentery Hemolytic uremic syndrome (HUS) |
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Escherichia coli is the common cause of what two things? |
Urinary tract infections (UPEC)
Neonatal meningitis |
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What does ETEC stand for? |
Enterotoxigenic Escherichia coli |
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What does ETEC cause? |
Traveler's diarrhea and infantile diarrhea in developing countries |
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What are the toxins produced by ETEC? |
ST: Heat stable enterotoxin; LT: Heat labile enterotoxin |
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What does EHEC stand for? |
Enterohemorrhagic Escherichia coli |
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What does EHEC cause? |
Colitis, blood diarrhea, and HUS |
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What is another name for EHEC? |
O157:H7 |
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What toxin does EHEC produce? |
Shiga toxin |
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True or False: EHEC has A&E lesions. |
True |
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What does EPEC stand for? |
Pathogenic Escherichia coli |
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What does EPEC cause? |
Acute infantile diarrhea in developing countries |
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True or False: EPEC does not have A&E lesions |
False |
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What does Klebsiella pneumoniae cause? |
Severe pneumonia, UTIs |
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What does Klebsiella pneumoniae look like on a plate? |
Slime |
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Are Klebsiella pneumoniae motile or nonmotile |
Nonmotile |
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What is a coliform? |
A commonly used indicator of sanitary quality of foods and water |
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Is Klebsiella pneumoniae a coliform bacteria? |
Yes |
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True or False: Enterobacter is not a coliform bacteria |
False |
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What does Enterobacter cause? |
UTIs |
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What is Proteus mirabilis known for? |
Its "swarming" ability |
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What does Proteus mirabilis cause? |
UTIs and can create infection related kidney stones |
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What epidemic was Yersinia pestis responsible for? |
The black death |
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What does Yersinia pestis cause? |
Bubonic and pneumonic plagues |
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How is Yersinia pestis acquired? |
From a rat flea |
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Why does Yersinia enterocolitica create severe abdominal pain similar to appendicitis? |
It disseminated to mesenteric lymph nodes |
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What is Yersinia enterocolitica? |
A food-borne diarrheal (watery or bloody) illness |
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Where do you get Yersinia enterocolitica? |
Animals or unpasteurized milk |
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What shape are Vibronaceae? |
Comma shaped |
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Are Vibrionaceae oxidase positive or negative |
positive |
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What does Vibrio cholerae cause? |
Cholera and acute explosive diarrhea |
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What toxin does Vibrio cholerae produce? |
Cholera Toxin |
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How is Cholera treated? |
Oral rehydration therapy |
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What kind of vaccine is used for Vibrio cholerae? |
Killed vaccine |
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True or False: Vibrio Parahemolyticus are halophilic. |
True |
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How do you get Vibrio parahemolyticus? |
From eating contaminated raw or partially cooked seafood |
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What does Vibrio parahemolyticus cause? |
Acute gastroenteritis |
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Do Vibrio vulnificus thrive in areas with low salt concentration? |
No |
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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 |
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What type of organism is Campylocacter jejuni in terms of oxygen concentration to grow? |
Microaerophile; Needs oxygen but is poisoned by high amounts |
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What does Campylocacter jejuni cause? |
Diarrhea and dysentery |
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How do you get Campylocacter jejuni? |
Poultry |
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What type of organism is Helicobacter pylori in terms of oxygen concentration to grow? |
Microaerophile; Needs oxygen but is poisoned by high amounts |
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What enzyme does Helicobacter pylori produce? |
Urease |
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What does Helicobacter pylori cause? |
Gastritis, duodenal and gastric ulcers, and gastric cancer |
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What does Pseudomonas aeruginosa produce that acts like diphtheria toxin? |
Exotoxin A |
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What does Pseudomonas aeruginosa infect? |
Wounds and burns |
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True or False: Pseudomonas aeruginosa causes bone cancer in cystic fibrosis patients. |
False; It causes respiratory infections |
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Why is treatment for Acinetobacter baumannii complicated? |
It is a multidrug resistant bacteria |
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How do you get Francisella tularensis? |
Through the skin from contact with rabbits, ingestion, inhalation, and bite from an arthropod |
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What does Francisella tularensis cause? |
Tularemia (rabbit fever) and skin lesions |
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What specific Brucella is present in cows? |
Brucella abortus |
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What specific Brucella is present in pigs? |
Brucella suis |
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What specific Brucella is present in goats? |
Brucella melitensis |
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What do the Brucella bacteria cause? |
Severe systemic infection, undulant fever (comes in waves), and joint and muscle pain |
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True or False: Pasteurization destroys Brucella in milk. |
True |
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What does Haemophilus influenzae cause in children? |
Meningitis and sepsis |
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What media does Haemophilus influenzae grow on? |
Supplemented chocolate agar |
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What vaccine is given to children for Haemophilus influenzae? |
Hib Conjugated Capsule Vaccine |
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What factors do Haemophilus influenzae and Haemophilus aegyptius require? |
V and X factors |
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What does Haemophilus aegyptius cause? |
Pink eye |
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True or False: Bordetella pertussis will not cause a severe respiratory infection in children |
False |
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What toxin does Bordetella pertussis produce? |
Pertussis Toxin |
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What vaccine is given for Bordetella pertussis? |
Toxoid and Adhesins in DTaP |
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What is Legionnaires' disease? |
Severe pneumonia |
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What does Legionella pneumophila cause? |
Legionnaires' disease and Pontiac fever (less severe) |
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Where do you get Legionella pneumophila? |
Aerosolized contaminated water from AC cooling towers, fountains, spas, and mist sprayers |