Chapter 20 Homework – Flashcards
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The causative organism for mumps is
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Paramyxovirus
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Which is incorrect about hepatitis A infection?
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It predisposes a person for liver cancer
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Hepatitis B infection
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All of the choices are correct
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Trichinosis includes all the following except
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All of the choices are correct
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Inflammation of the liver with necrosis of the hepatocytes and swelling due to a mononuclear response is a disease called
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hepatitis
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The main causes of dental caries seem to be
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Streptococcus mutans
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Outbreaks of which apicomplexan disease have been associated with fecal-contaminated imported raspberries and also fresh greens and drinking water?
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cyclosporiasis
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Which is not a characteristic of Helicobacter pylori?
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produces enteroxin that causes diarrhea
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Ascaris lumbricoides
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All of the choices are correct
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Which organ of the GI tract has a large commensal population of microorganisms?
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large intestine
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The most common infectious disease in humans is
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dental caries
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All of the following pertain to Clostridium difficile infection except it
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is due to ingestion of contaminated, improperly stored, cooked meats and gravies
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"Rice-water stools" are associated with disease caused by which organism?
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Vibrio cholerae
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Which of the following is not a normal causative agent of acute diarrhea with vomiting (food poisoning)?
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Clostridium difficile
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All of the following can be transmitted by drinking contaminated water except
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malaria
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Outbreaks of which disease have been associated with fecal-contaminated drinking water?
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cryptosporidiosis
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Which is true of Yersinia enterocolitiva and Tersinia pseudotuberculosis?
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They cause intense pain from inflammation of the ileum
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All of the following are characteristics of Campylobacter jejuni except it
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infects the stomach
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Salmonella are
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motile
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Which is not true of Clostridium difficile?
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produces "rice-water" stools
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General symptoms of helminth infection include all of the following except
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intense abdominal pain
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The virulence factor for the mumps is
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spike-induced syncytium
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Chlora symptoms include
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All of the choices are correct
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Hepatitis B virus
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All of the choices are correct
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The most common cause of liver cancer in the United States is
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HBV
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Symptoms of cryptosporidiosis
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headache, sweats, vomiting, severe abdominal cramps, and diarrhea
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Salmonelloses are
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All of the choices are correct
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Liver flukes live in all of the following areas except the
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small intestine
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Which is incorrect about shigellosis?
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It frequently involves septicemia
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Which is incorrect about Staphylococcus aureus food intoxication?
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Ingestion of the pathogen allows it to multiply and damage the GI tract lining
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E. Coli 0157:H7 characteristics include all of the following except it
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only causes occupational illness in people who work with animals
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The most common bacterial cause of diarrhea in the United States is
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Campylobacter
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Giardiasis involves
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symptoms of abdominal pain, flatulence, and diarrhea
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The most immediate and important treatment needed to prevent death in cholera victims is
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water and electrolyte replacement
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Which of the following is not true of schistomiasis?
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Worms can invade the brain
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Helicobacter pylori causes
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All of the choices are correct
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Campylobacter infection has all of the following characteristics except it
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is caused by a shiga toxin
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Parasitic helminthes have all of the following characteristics except
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do not exhibit drug resistance
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The primary viral cause of chronic diarrhea, globally, is
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rotavirus
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Oral flora bacteria on the tooth surface
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use fimbriae and slime layers to adhere
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Which of the following statements describes the main virulence factor of E. coli 0157:H7?
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a bacteriophage-encoded exotoxin
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Orchitis and epididymitis are seen in young adult males as a complication of
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mumps
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Escherichia coli infections
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have been due to undercooked meat
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Defenses of the GI tract against pathogens include
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All of the choices are correct
