CIPHI BOC STUDY QUESTIONS & ANSWERS SOLVED 100%
CORRECT!!
Hepatitis A - Incubation period - CORRECT ANSWER-15-50 days
Usually 28-30 days
Hepatitis A - Symptoms - CORRECT ANSWER-loss of appetite, fatigue,
nausea, vomiting, abdominal pain, fever, malaise and yellow
skin (jaundice)
Hepatitis A - transmission - CORRECT ANSWER-fecal-oral route
Infective: up to 2 weeks before onset to 1 week post-
jaundice.
Humans are reservoir.
Hepatitis A - suspect foods - CORRECT ANSWER-Ice, shellfish
contaminated with sewage.
Hepatitis A - exclusion criteria - CORRECT ANSWER-14 days if no
jaundice. 7 days after jaundice onset.
Life-long immunity following recovery.
Last 2 - 6 months.
,Norovirus - incubation period - CORRECT ANSWER-24-48 hours
Norovirus - symptoms - CORRECT ANSWER-Sudden onset, watery
diarrhea, vomiting, cramp, nausea, low fever.
Norovirus - transmission - CORRECT ANSWER-Very contagious. Low
infective dose. Fecal-oral. Person-Person. Humans only
reservoir.
Norovirus - most at risk - CORRECT ANSWER-o Children
o Older Adults
o Those with weakened immune systems.
o These higher risk groups are more likely to experience
dehydration as a result of severe vomiting and diarrhea
Salmonellosis types - CORRECT ANSWER-S. enteritis
S. typhimurium
Salmonellosis incubation - CORRECT ANSWER-6-72 hours
Usually 12-36 hours
,Salmonellosis symptoms - CORRECT ANSWER-Sudden onset, cramp,
diarrhea, nausea, headache, possible vomit.
Salmonellosis transmission - CORRECT ANSWER-Bacterial. Usually
contaminated food, raw bean sprouts. Human and animal
reservoir. Pet contact.
Salmonellosis suspect foods - CORRECT ANSWER-Raw egg,
unpasteurized milk, unwashed fruit/veg. Raw meat.
Shigellosis IP - CORRECT ANSWER-12-96 hours (usually 1-3 days)
Shigellosis symptoms - CORRECT ANSWER-Diarrhea, fever, cramp.
Nausea.
Possible bloody diarrhea.
May cause HUS in kids.
Shigellosis transmission - CORRECT ANSWER-Bacterial. Fecal-oral.
Sexual contact
Humans only reservoir.
Possibly via mechanical vectors (flies, cockroaches)
Low infectious dose.
, Shigellosis suspect foods - CORRECT ANSWER-Shigella is not
naturally present on foods, but can contaminate food
through cross contamination during handling, or from
exposure to polluted water
Food is most often contaminated with Shigella from water
polluted by human sewage.
IP - 1-90 days (usually 3-70 days)
Symptoms - Most cases asymptomatic. Fever, headache.
<5% vomit & diarrhea.
Transmission: Environmental bacteria. Gets in raw product
(between cooking & packaging) & spreads via cross-
contamination.
** Psychrotroph. Hardy.
Suspect Foods: Soft cheeses, deli meats, hot dogs, ready to
eat meats, unpasteurized milk.
Concern for pregnant women - CORRECT ANSWER-Listeriosis
L. monocytogenes
IP - 0.5-6 hours
Symptoms - Nausea, vomiting, rarely fever and diarrhea
CORRECT!!
Hepatitis A - Incubation period - CORRECT ANSWER-15-50 days
Usually 28-30 days
Hepatitis A - Symptoms - CORRECT ANSWER-loss of appetite, fatigue,
nausea, vomiting, abdominal pain, fever, malaise and yellow
skin (jaundice)
Hepatitis A - transmission - CORRECT ANSWER-fecal-oral route
Infective: up to 2 weeks before onset to 1 week post-
jaundice.
Humans are reservoir.
Hepatitis A - suspect foods - CORRECT ANSWER-Ice, shellfish
contaminated with sewage.
Hepatitis A - exclusion criteria - CORRECT ANSWER-14 days if no
jaundice. 7 days after jaundice onset.
Life-long immunity following recovery.
Last 2 - 6 months.
,Norovirus - incubation period - CORRECT ANSWER-24-48 hours
Norovirus - symptoms - CORRECT ANSWER-Sudden onset, watery
diarrhea, vomiting, cramp, nausea, low fever.
Norovirus - transmission - CORRECT ANSWER-Very contagious. Low
infective dose. Fecal-oral. Person-Person. Humans only
reservoir.
Norovirus - most at risk - CORRECT ANSWER-o Children
o Older Adults
o Those with weakened immune systems.
o These higher risk groups are more likely to experience
dehydration as a result of severe vomiting and diarrhea
Salmonellosis types - CORRECT ANSWER-S. enteritis
S. typhimurium
Salmonellosis incubation - CORRECT ANSWER-6-72 hours
Usually 12-36 hours
,Salmonellosis symptoms - CORRECT ANSWER-Sudden onset, cramp,
diarrhea, nausea, headache, possible vomit.
Salmonellosis transmission - CORRECT ANSWER-Bacterial. Usually
contaminated food, raw bean sprouts. Human and animal
reservoir. Pet contact.
Salmonellosis suspect foods - CORRECT ANSWER-Raw egg,
unpasteurized milk, unwashed fruit/veg. Raw meat.
Shigellosis IP - CORRECT ANSWER-12-96 hours (usually 1-3 days)
Shigellosis symptoms - CORRECT ANSWER-Diarrhea, fever, cramp.
Nausea.
Possible bloody diarrhea.
May cause HUS in kids.
Shigellosis transmission - CORRECT ANSWER-Bacterial. Fecal-oral.
Sexual contact
Humans only reservoir.
Possibly via mechanical vectors (flies, cockroaches)
Low infectious dose.
, Shigellosis suspect foods - CORRECT ANSWER-Shigella is not
naturally present on foods, but can contaminate food
through cross contamination during handling, or from
exposure to polluted water
Food is most often contaminated with Shigella from water
polluted by human sewage.
IP - 1-90 days (usually 3-70 days)
Symptoms - Most cases asymptomatic. Fever, headache.
<5% vomit & diarrhea.
Transmission: Environmental bacteria. Gets in raw product
(between cooking & packaging) & spreads via cross-
contamination.
** Psychrotroph. Hardy.
Suspect Foods: Soft cheeses, deli meats, hot dogs, ready to
eat meats, unpasteurized milk.
Concern for pregnant women - CORRECT ANSWER-Listeriosis
L. monocytogenes
IP - 0.5-6 hours
Symptoms - Nausea, vomiting, rarely fever and diarrhea
