Food Toxicology Flashcards
(10 cards)
Which of the following statements regarding food complexity is FALSE?
a. Many flavor additives are nonnutrient substances.
b. Foods are subjected to environmental forces that alter their chemical composition.
c. There are more nonnutrient chemicals in food than nutrient chemicals.
d. A majority of nonnutrient chemicals are added to food by humans.
e. Food is more variable and complex than most other substances to which humans are
exposed
D
Which of the following foods contains the most nonnutrient chemicals?
a. beef.
b. banana.
c. tomato.
d. orange juice.
e. Cheddar cheese
A
Which of the following is considered an indirect food additive?
a. nitrites.
b. plastic.
c. food coloring.
d. EDTA.
e. citric acid.
B
Estimated daily intake (EDI) is based on which of the following?
a. metabolic rate.
b. daily intake.
c. substance concentration in a food item.
d. body mass index.
e. concentration of substance in a food item and daily intake
E
Which of the following is NOT characteristic of IgE-mediated food allergies?
a. urticaria.
b. wheezing.
c. hypertension.
d. nausea.
e. shock.
C
Which of the following wheat proteins is famous for being allergenic?
a. casein.
b. ovalbumin.
c. livetin.
d. gluten.
e. glycinin
D
Which of the following foods contains a chemical that causes hypertension by acting as a
noradrenergic stimulant?
a. cheese.
b. peanuts.
c. shrimp.
d. chocolate.
e. beets
D
What is the mechanism of saxitoxin, found in shellfish?
a. interference with ion channels.
b. direct neurotoxicity.
c. interference with DNA replication.
d. binding to hemoglobin.
e. interference with a stimulatory G protein
A
Which of the following foods can cause a reaction that mimics iodine deficiency?
a. chocolate.
b. shellfish.
c. peanuts.
d. fava beans.
e. cabbage
E
Improperly canned foods can be contaminated with which of the following bacteria, causing
respiratory paralysis?
a. C. perfringens.
b. R. ricketsii.
c. S. aureus.
d. C. botulinum.
e. E. coli.
D
