NRFSP REVIEW EXAM SET 2026 QUESTIONS AND
ANSWERS SURE A+
✔✔Vibrio - ✔✔Bacterial Infection
Food sources: raw/lightly cooked fish and shellfish
Symptoms: vomiting, diarrhea, fever, headache, dehydration
Onset time: 2-48 hours
✔✔Bacillus cereus - ✔✔Bacterial Intoxication
Food sources: cereals, rice, soil, and dust
Symptoms: abdominal pain, diarrhea, vomiting
Onset time: 1-6 or 8-16 hours
✔✔Clostridium botulinum - ✔✔Bacterial Intoxication
Food sources: Canned foods, temperature-abused potatoes, honey (infant botulism)
Symptoms: double vision, difficulties in breathing and swallowing, paralysis
Onset time: 12-36 hours
✔✔Staphylococcus aureus - ✔✔Bacterial Intoxication
found in the human nose
Food sources: ham, poultry, milk and cheese touched by hand
Symptoms: vomiting, abdominal pain, nausea, low temperature
Onset time: 1-6 hours
✔✔Clostridium perfringens - ✔✔Bacterial toxin-mediated infection
, Food sources: animal and human excreta, soil/dust, insects, raw meat
Symptoms: abdominal pain, diarrhea
Onset time: 12-18 hours
✔✔Escherichia coli - ✔✔Bacterial toxin-mediated infection
Food sources: human and animal gut, sewage, water, raw vegetables, raw beef
Symptoms: abdominal pain, fever, bloody diarrhea, vomiting, kidney damage
Onset time: 12-24 hours
✔✔Anisakis - ✔✔Parasite
Food sources: raw or lightly cooked seafood
Symptoms: nausea, vomiting, coughing, fever, bloody stools
Onset time: 4-6 hours
✔✔Cryptosporidium parvum
Giardia lamblia - ✔✔Parasite
Food sources: water, raw fruits & vegetables
Symptoms: diarrhea
Onset time: up to 7 days
✔✔Trichinia spiralis - ✔✔parasite
Food sources: water, raw fruits/vegetables, pork, wild game
Symptoms: watery diarrhea, abdominal pain, nausea, muscle pain, difficulty breathing
Onset time: 2-28 days
✔✔Hepatitis A - ✔✔virus
Food sources: water, raw shellfish, ready-to-eat food, bare hand contact foods
Symptoms: fever, nausea, vomiting, jaundice, fatigue
Onset time: 15-50 days
✔✔Norovirus - ✔✔virus
Food sources: water, raw shellfish, raw vegetables, salads, fruits
Symptoms: nausea, projectile vomiting, diarrhea, fever, headache
Onset time: within 24 hours
✔✔Rotavirus - ✔✔virus
Food sources: water, raw seafood, raw vegetables & salads
Symptoms: vomiting, diarrhea, fever, dehydration
Onset time: 24-36 hours
✔✔DSP, PSP, NSP and ASP - ✔✔toxin
Food sources: shellfish
Symptoms: numbness, uncoordination, diarrhea, vomiting, reverse sensation of hot and
cold
Onset time: 10-60 minutes
ANSWERS SURE A+
✔✔Vibrio - ✔✔Bacterial Infection
Food sources: raw/lightly cooked fish and shellfish
Symptoms: vomiting, diarrhea, fever, headache, dehydration
Onset time: 2-48 hours
✔✔Bacillus cereus - ✔✔Bacterial Intoxication
Food sources: cereals, rice, soil, and dust
Symptoms: abdominal pain, diarrhea, vomiting
Onset time: 1-6 or 8-16 hours
✔✔Clostridium botulinum - ✔✔Bacterial Intoxication
Food sources: Canned foods, temperature-abused potatoes, honey (infant botulism)
Symptoms: double vision, difficulties in breathing and swallowing, paralysis
Onset time: 12-36 hours
✔✔Staphylococcus aureus - ✔✔Bacterial Intoxication
found in the human nose
Food sources: ham, poultry, milk and cheese touched by hand
Symptoms: vomiting, abdominal pain, nausea, low temperature
Onset time: 1-6 hours
✔✔Clostridium perfringens - ✔✔Bacterial toxin-mediated infection
, Food sources: animal and human excreta, soil/dust, insects, raw meat
Symptoms: abdominal pain, diarrhea
Onset time: 12-18 hours
✔✔Escherichia coli - ✔✔Bacterial toxin-mediated infection
Food sources: human and animal gut, sewage, water, raw vegetables, raw beef
Symptoms: abdominal pain, fever, bloody diarrhea, vomiting, kidney damage
Onset time: 12-24 hours
✔✔Anisakis - ✔✔Parasite
Food sources: raw or lightly cooked seafood
Symptoms: nausea, vomiting, coughing, fever, bloody stools
Onset time: 4-6 hours
✔✔Cryptosporidium parvum
Giardia lamblia - ✔✔Parasite
Food sources: water, raw fruits & vegetables
Symptoms: diarrhea
Onset time: up to 7 days
✔✔Trichinia spiralis - ✔✔parasite
Food sources: water, raw fruits/vegetables, pork, wild game
Symptoms: watery diarrhea, abdominal pain, nausea, muscle pain, difficulty breathing
Onset time: 2-28 days
✔✔Hepatitis A - ✔✔virus
Food sources: water, raw shellfish, ready-to-eat food, bare hand contact foods
Symptoms: fever, nausea, vomiting, jaundice, fatigue
Onset time: 15-50 days
✔✔Norovirus - ✔✔virus
Food sources: water, raw shellfish, raw vegetables, salads, fruits
Symptoms: nausea, projectile vomiting, diarrhea, fever, headache
Onset time: within 24 hours
✔✔Rotavirus - ✔✔virus
Food sources: water, raw seafood, raw vegetables & salads
Symptoms: vomiting, diarrhea, fever, dehydration
Onset time: 24-36 hours
✔✔DSP, PSP, NSP and ASP - ✔✔toxin
Food sources: shellfish
Symptoms: numbness, uncoordination, diarrhea, vomiting, reverse sensation of hot and
cold
Onset time: 10-60 minutes
