Correct Answer
verified
True/False
Correct Answer
verified
Multiple Choice
A) capsule.
B) neurotoxin.
C) invasive enzymes.
D) enterotoxin.
E) All of the choices are correct.
Correct Answer
verified
True/False
Correct Answer
verified
True/False
Correct Answer
verified
Multiple Choice
A) She should not be concerned at all.The virus dies once the blood dries.
B) She should not be concerned at all.The virus is not transmitted blood-to-blood.
C) She should be very concerned.The virus can survive several hours in dried blood.
D) She should be very concerned.The virus multiplies indefinitely on hard surfaces.
Correct Answer
verified
Multiple Choice
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 HAV
E) hepatitis E virus - self-limiting RNA virus
Correct Answer
verified
Multiple Choice
A) can last over 2 weeks.
B) can burrow into the mucosa of the ileum and multiply.
C) can lead to Guillain-Barre syndrome.
D) can cause acute temporary paralysis.
E) is caused by a shiga toxin.
Correct Answer
verified
Multiple Choice
A) Food gets contaminated by a human carrier.
B) Common associated foods include custards,ham,cream pastries,and processed meats.
C) After contamination,food must be left unrefrigerated for a few hours.
D) Ingestion of the pathogen allows it to multiply and damage the GI tract lining.
E) Symptoms come on quickly and include nausea,vomiting,and diarrhea.
Correct Answer
verified
True/False
Correct Answer
verified
Multiple Choice
A) are often transmitted by fecal-contaminated water and food.
B) have been due to undercooked meat.
C) involve enterotoxin in traveler's diarrhea.
D) can be self-limiting with the only treatment being rehydration.
E) All of the choices are correct.
Correct Answer
verified
Multiple Choice
A) cryptosporidiosis.
B) cyclosporiasis.
C) malaria.
D) campylobacter.
E) giardiasis.
Correct Answer
verified
True/False
Correct Answer
verified
Multiple Choice
A) eggs,larvae,or adult worms found in feces.
B) increased sensitivity to helminth antigens.
C) intense abdominal pain.
D) increased eosinophil count.
E) vague nausea.
Correct Answer
verified
Multiple Choice
A) Clostridium botulinum.
B) Clostridium perfringens.
C) Clostridium difficile.
D) Clostridium tetani.
E) All of the choices are correct.
Correct Answer
verified
Multiple Choice
A) cryptosporidiosis
B) cyclosporiasis
C) trichinosis
D) toxoplasmosis
E) None of the choices is correct.
Correct Answer
verified
True/False
Correct Answer
verified
Multiple Choice
A) cryptosporidium.
B) rotavirus.
C) adenovirus.
D) norovirus.
E) astrovirus.
Correct Answer
verified
Multiple Choice
A) needle sticks
B) sexual contact
C) sharing a toothbrush
D) All of the choices are correct.
Correct Answer
verified
Multiple Choice
A) methane producers.
B) motile.
C) gram-positive rods.
D) lactose fermenters.
E) All of the choices are correct.
Correct Answer
verified
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