Question

1. the most common parasite that causes foodborne illness in the u.s. is _.

norovirus
staphylococcus aureus
hepatitis
toxoplasma gondii

1. food additives are used for all of the following except:

colorant
antioxidant
curing agent
radiation agent

Explanation:

For question 29, Norovirus is a virus, Staphylococcus aureus is a bacterium, Hepatitis is a viral - related condition, and Toxoplasma gondii is a parasite. For question 30, colorants are used for coloring food, antioxidants prevent oxidation, curing agents are used in meat - processing, and radiation agents are not food additives.

Answer:

1. Toxoplasma gondii
2. Radiation agent