5 Written Questions

1. painful swollen parotid glands, persists for 7 days, painful to swallow, fever, pt contagious 7 days before swelling and up to 9 days after swelling subsides
2. fecal-oral, shed in feces, blood and urine, asymptomatic carriers can transmit, fomites, cutting boards, resists normal water/chlorine concentrations
3. HCV
4. resists heat, toxin is heat stable, resists high osmotic pressure, resists low moisture, out competes competitors, rarely implicated in hamburgers, no obvious spoilage signs when growing in food
5. 1000

5 Matching Questions

1. transmission norovirus
2. Salmonella enterica and Salmonella typhimurium
3. s/s hepatitis C
4. transmission hepatitis C
5. transmission E. coli O157:H7

1. a fecal-oral, shed in stools, aerosolized, fomites, injested, small infectious dose, highly contagious
2. b initial: low-grade fever, joint pain, few exibit s/s for 20 years, 85% progress to chronic, cirrhosis and cancer
3. c G- rod, facultative anaerobe, non-endospore former, intracellular parasite
4. d blood transfusion, sexual contact, needle, fecal-oral
5. e petting zoos, contaminated ground meat poultry alfalfa sprouts, pool, lettuce, spinach, fecal-oral

5 Multiple Choice Questions

1. mild vague flu-like symptoms, nausea, vomiting, diarrhea, chills, fever, loss of appetite, fatigue, malaise, hepatomegaly, high levels of bilirubin and liver enzymes, jaundice, many subclinical esp kids, 2-21 days duration, 1 month recovery
   1. dysentery
   2. s/s hepatitis A
   3. gastroenteritis
   4. enteritis
2. mild gastroenteritis to death, inflammation of colon, bloody diarrhea, dehydration, severe abdom cramps, hemorrhagic colitis, hemolytic uremic syndrome, CNS invovlement, seizure stroke coma, liver involvement
   1. treatment E. coli O157:H7
   2. s/s E. coli O157:H7
   3. prevention E. coli O157:H7
   4. s/s norovirus
3. virus infects liver cells, liver tissue degenerates, jaundice
   1. pathogenesis hepatitis A
   2. pathogenesis hepatitis B
   3. prognosis hepatitis C
   4. prognosis hepatitis A
4. HBV
   1. hepatitis A etiology
   2. hepatitis A vehicle
   3. hepatitis B etiology
   4. s/s hepatitis B chronic
5. contaminated food or water
   1. paneth cells
   2. hepatitis A vehicle
   3. s/s hepatitis B acute
   4. s/s hepatitis C

5 True/False Questions

1. s/s hepatitis C → 50% asymptomatic, anorexia, low-grade fever, joint pain, jaundice, 90% of symptomatic recover, 10% become chronic

   True        False

2. prevention hepatitis A → vaccine of antibodies lasts 6 months, hand wash, clean food prep surfaces

   True        False

3. incubation E. coli O157:H7 → 1-8 days

   True        False

4. O157:H7 toxin → Enterohemorrhagic E. coli

   True        False

5. hemorrhagic colitis → inflammation of the intestine and stomach mucosa

   True        False