Problem 3
Identify the site colonized by the following organisms: Echinococcus granulosus, Enterobius vermicularis, Giardia, Helicobacter pylori, hepatitis B virus, mumps virus, rotavirus, Salmonella, Shigella, Streptococcus mutans, Trichinella spiralis, Trichuris.
Problem 4
E. coli bacteria are part of the normal microbiota of the intestines and can cause gastroenteritis. Explain why this one species is both beneficial and harmful.
Problem 5
Define mycotoxin. Give an example of a mycotoxin
Problem 6
Explain how the following diseases differ and how they are similar: giardiasis, amebic dysentery, cyclosporiasis, and cryptosporidiosis.
Problem 7
Differentiate among the following factors of bacterial intoxication and bacterial infection: prerequisite conditions, causative agents, onset, duration of symptoms, and treatment.
Problem 10
Cysts of this flagellated organism survive in water; when ingested, the trophozoite grows in the intestine, causing diarrhea.