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1. Salmonella entericaTyphi is located in the______________ of chronically infected carriers.
   1. Colon
   2. Large intestine
   3. Small intestine
   4. Gallbladder
2. Which strain of E. coliis the cause of “traveler’sdiarrhea?”
   1. Enterophatogenic (EPEC)
   2. Enterotoxigenic (ETEC)
   3. Enterohemorrhagic (EHEC)
   4. Enteroaggregtive (EAEC)
3. Listeria monocytogenesinfection of pregnant women canresult in?
   1. Miscarriage
   2. Stillbirth
   3. Premature labor
   4. All of the above
4. The most common source of botulism is…
   1. undercooked meat, poultry, or fish
   2. ready-to-eat meat and unpasteurized dairy
   3. undercooked eggs
   4. improperly home-canned goods
5. TRUE or FALSE: Norovirus can be shed in thefeces up to two weeks after symptoms are gone.
   1. True
   2. False
6. One week after returning to the United States after visitingfamily in India a college student went to the campus health clinicwith mild fever, a headache, and general malaise. The doctorprescribed Tylenol and rest. The symptoms did not resolve, and thestudent returned the clinic a week later with high fever, delirium,abdominal pain, and diarrhea. What is your diagnosis?
   1. Typhoid fever caused by Salmonella enterica typhi
   2. Salmonellosis caused by Salmonella entericathyphimurium
   3. Cholera caused by Vibrio cholerae
   4. Traveler’s diarrhea caused by EnterotoxigenicE.coli(ETEC)
7. “Rice water” stool is a characteristic symptom of…
   1. E. colifood infection
   2. Typhoid fever
   3. Cholera
   4. Norovirus
8. While visiting her grandparent’s farm a 12-year old girl atesunny side up eggs and toast for breakfast. The girl had helped hergrandma collect the eggs that morning from the chicken coupe.Before super the child started complaining of a headache, chills,vomiting, and diarrhea. The child’s grandma gave her Gatorade, puther in bed to rest, and monitored her closely for the next two daysafter which her symptoms were gone. The child experienced a mildfever for the next two days but otherwise felt fine. The child mostlikely had?
   1. Staphylococcal food poisoning caused by Staphylococcusaureus
   2. Salmonellosis caused by Salmonella entericathyphimurium
   3. “The stomach flu” caused by Clostridiumprefringenes
   4. Botulism cased by caused by Clostridium botulinum
9. A 70-year old man was admitted to the hospital for kidneyfailure and bloody diarrhea. However he did not have a fever, andhad not history of renal or kidney issues. He was given supportivecare and monitored closely. Unfortunately, due to is age the mandid not survive the illness. Upon questioning the family at thehospital the next day. The patient’s granddaughter said hergranddad like to have the occasional White Castle burger as a“treat.” What is your diagnosis?
   1. Enterotoxigenic E. coli(ETEC)
   2. Enteropathogenic E. coli(EPEC)
   3. Enterohemorrhagic E. coli(EHEC)
   4. Enteroaggregative E. coli(EAEC)
10. During the Listeria monocytogenesinfectious cycle?
    1. The bacterium survives inside the phagolysosome
    2. The bacterium creates comet-like tails from host actin topropel itself into nearby uninfected cells
    3. Creates an exotoxin that ruptures gastric epithelial cells
11. The best way to prevent foodborne illness is…
    1. Wash hands before and after handling food
    2. Properly cook meat to appropriate temperature
    3. Wash fruits and vegetables
    4. Refrigerate leftover foods ASAP
    5. All of the above
12. Campylobacter food infection results from consuming…
    1. Undercooked poultry or pork
    2. Raw eggs
    3. Unpasteurized milk
    4. Raw shellfish
    5. A and D
13. An exotoxin that acts on the small intestine is called an
    1. Endotoxin
    2. Enterotoxin
    3. Neurotoxin
    4. Alphatoxin