NEHA CP-FS Study Guide: Foodborne
Pathogens, Food Safety, and Inspection
Protocols|Updated Questions And Verified
Answers
GRADED A+
QUESTIONS & ANSWERS
What is the onset time for Norovirus? ANSWER - 12-48 hours
What are the signature symptoms of Norovirus? ANSWER - Violent vomiting and
diarrhea
Which foods are commonly associated with Norovirus? ANSWER - Ready-to-eat
foods, shellfish, ill food handlers
What is the onset time for Salmonella, nontyphoidal? ANSWER - 6-72 hours
What are the signature symptoms of Salmonella, nontyphoidal? ANSWER - Fever,
cramps, diarrhea
What foods are commonly associated with Salmonella, nontyphoidal? ANSWER -
Poultry, eggs, raw meat, produce
What is the onset time for Shigella? ANSWER - 1-7 days
What are the signature symptoms of Shigella? ANSWER - Bloody diarrhea, fever
,What foods are commonly associated with Shigella? ANSWER - Hand-mixed salads,
poor handwashing, flies
What is the onset time for E. coli STEC? ANSWER - 3-4 days
What are the signature symptoms of E. coli STEC? ANSWER - Severe cramps,
bloody stool
What foods are commonly associated with E. coli STEC? ANSWER - Ground beef,
leafy greens, unpasteurized juice/milk
What is the onset time for Salmonella Typhi? ANSWER - 1-3 weeks
What are the signature symptoms of Salmonella Typhi? ANSWER - High sustained
fever, weakness, rose spots
What is the common source of Salmonella Typhi? ANSWER - Human carrier,
contaminated food/water
What is the onset time for Hepatitis A? ANSWER - 2-7 weeks
What are the signature symptoms of Hepatitis A? ANSWER - Jaundice, dark urine,
fatigue
What foods are commonly associated with Hepatitis A? ANSWER - RTE food
touched by infected worker, shellfish
What is the onset time for Listeria monocytogenes? ANSWER - 1-4 weeks,
sometimes up to 70 days
What are the signature symptoms of Listeria monocytogenes? ANSWER -
Pregnancy risk, miscarriage, invasive illness
, What foods are commonly associated with Listeria monocytogenes? ANSWER - Deli
meats, soft cheeses, unpasteurized dairy
What is the typical onset time for infections caused by live pathogens? ANSWER -
12+ hours to days/weeks
What is the typical onset time for intoxications caused by preformed toxins?
ANSWER - A few hours, often 1-6 hours
What is the mechanism of foodborne infections? ANSWER - Live pathogen is eaten
and multiplies in the body
What is the mechanism of foodborne intoxications? ANSWER - Preformed toxin is
already in the food before eating
What mnemonic can help remember the Big 6 pathogens? ANSWER - HENSS:
Hepatitis A, E. coli, Norovirus, Shigella, Salmonella (Nontyphoidal and Typhi)
What is a key characteristic of 'Sprinter' pathogens? ANSWER - They cause
symptoms within 1-6 hours due to preformed toxins
What is a key characteristic of 'Marathon' pathogens? ANSWER - They take 1-3+
days to show symptoms due to live infections
What is the average onset time for Hepatitis A? ANSWER - About 28 days
What is a common symptom of Listeria in pregnant women? ANSWER - Mild flu-
like symptoms leading to miscarriage or stillbirth
What are the 'Marathoners' in food safety? ANSWER - Pathogens that cause
infections, typically long-incubating and tied to human carriers or contaminated
water.
Pathogens, Food Safety, and Inspection
Protocols|Updated Questions And Verified
Answers
GRADED A+
QUESTIONS & ANSWERS
What is the onset time for Norovirus? ANSWER - 12-48 hours
What are the signature symptoms of Norovirus? ANSWER - Violent vomiting and
diarrhea
Which foods are commonly associated with Norovirus? ANSWER - Ready-to-eat
foods, shellfish, ill food handlers
What is the onset time for Salmonella, nontyphoidal? ANSWER - 6-72 hours
What are the signature symptoms of Salmonella, nontyphoidal? ANSWER - Fever,
cramps, diarrhea
What foods are commonly associated with Salmonella, nontyphoidal? ANSWER -
Poultry, eggs, raw meat, produce
What is the onset time for Shigella? ANSWER - 1-7 days
What are the signature symptoms of Shigella? ANSWER - Bloody diarrhea, fever
,What foods are commonly associated with Shigella? ANSWER - Hand-mixed salads,
poor handwashing, flies
What is the onset time for E. coli STEC? ANSWER - 3-4 days
What are the signature symptoms of E. coli STEC? ANSWER - Severe cramps,
bloody stool
What foods are commonly associated with E. coli STEC? ANSWER - Ground beef,
leafy greens, unpasteurized juice/milk
What is the onset time for Salmonella Typhi? ANSWER - 1-3 weeks
What are the signature symptoms of Salmonella Typhi? ANSWER - High sustained
fever, weakness, rose spots
What is the common source of Salmonella Typhi? ANSWER - Human carrier,
contaminated food/water
What is the onset time for Hepatitis A? ANSWER - 2-7 weeks
What are the signature symptoms of Hepatitis A? ANSWER - Jaundice, dark urine,
fatigue
What foods are commonly associated with Hepatitis A? ANSWER - RTE food
touched by infected worker, shellfish
What is the onset time for Listeria monocytogenes? ANSWER - 1-4 weeks,
sometimes up to 70 days
What are the signature symptoms of Listeria monocytogenes? ANSWER -
Pregnancy risk, miscarriage, invasive illness
, What foods are commonly associated with Listeria monocytogenes? ANSWER - Deli
meats, soft cheeses, unpasteurized dairy
What is the typical onset time for infections caused by live pathogens? ANSWER -
12+ hours to days/weeks
What is the typical onset time for intoxications caused by preformed toxins?
ANSWER - A few hours, often 1-6 hours
What is the mechanism of foodborne infections? ANSWER - Live pathogen is eaten
and multiplies in the body
What is the mechanism of foodborne intoxications? ANSWER - Preformed toxin is
already in the food before eating
What mnemonic can help remember the Big 6 pathogens? ANSWER - HENSS:
Hepatitis A, E. coli, Norovirus, Shigella, Salmonella (Nontyphoidal and Typhi)
What is a key characteristic of 'Sprinter' pathogens? ANSWER - They cause
symptoms within 1-6 hours due to preformed toxins
What is a key characteristic of 'Marathon' pathogens? ANSWER - They take 1-3+
days to show symptoms due to live infections
What is the average onset time for Hepatitis A? ANSWER - About 28 days
What is a common symptom of Listeria in pregnant women? ANSWER - Mild flu-
like symptoms leading to miscarriage or stillbirth
What are the 'Marathoners' in food safety? ANSWER - Pathogens that cause
infections, typically long-incubating and tied to human carriers or contaminated
water.
