A) Hepatitis A virus - nonenveloped, single-stranded RNA enterovirus
B) Hepatitis B virus - enveloped DNA virus
C) Hepatitis C virus - RNA virus
D) Hepatitis D virus - defective RNA virus that coinfects with hepatitis A virus
F) A) and C)
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A) a protozoan that does not form cysts.
B) infection of the large intestine.
C) symptoms of abdominal pain, flatulence, and diarrhea.
D) vector transmission.
E) All of the choices are correct.
G) C) and E)
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A) Both organisms release eggs in the feces to propagate the helminth.
B) Both helminths can exit the digestive system and migrate to other tissues.
C) For both organisms, cyst envelopes are digested in the stomach, releasing the larvae to the intestine.
D) Only Taenia can be transmitted from one human to another.
F) A) and B)
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A) Necator americanus
B) Toxocara
C) Ascaris lumbricoides
D) Trichuris trichiura
F) All of the above
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Correct Answer
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