All of the Following Infections Can Result From Drinking Contaminated Water Except
1
1) Which of the following is directly involved in the initiation of dental caries?
A) sucrose
B) lysozyme
C) lactic acrid
ii
2) Clostridium difficile-associated diarrhea is usually preceded by
A) eating contaminated food.
B) a blood transfusion.
C) extended utilise of antibiotics.
3
3) Which of the following statements about salmonellosis is FALSE?
A) It is a bacterial infection.
B) Severity of disease depends on number of organisms ingested.
C) A healthy carrier state exists.
D) The mortality charge per unit is high.
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4) Disease-causing exotoxins are produced by all of the following organisms EXCEPT
A) Clostridium perfringens.
B) Vibrio cholerae.
C) Shigella dysenteriae.
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5) Which i of the following diseases of the gastrointestinal system is transmitted by the respiratory road?
A) staphylococcal enterotoxicosis
B) mumps
C) Vibrio gastroenteritis
half-dozen
six) The digestive tract is essentially one long tube. The order of the structures, beginning with the mouth, is
A) pharynx, esophagus, stomach, small intestine, large intestine.
B) esophagus, pharynx, stomach, minor intestine, large intestine.
C) pharynx, esophagus, tummy, large intestine, pocket-size intestine.
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7) Which of the following helminthic diseases is a common infestation plant in the southeastern United states of america?
A) Enterobius vermicularis
B) Ascaris lumbricoides
C) Taenia saginata
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viii) Poultry products are a probable source of infection by
A) Helicobacter pylori.
B) Salmonella enterica.
C) Vibrio cholerae.
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9) All of the following infections can result from drinking contaminated water EXCEPT
A) Cyclospora infection.
B) giardiasis.
C) trichinellosis.
10
10) Which of the post-obit organisms feeds on red blood cells?
A) Giardia lamblia
B) Escherichia coli
C) Taenia spp.
D) Vibrio parahaemolyticus
E) Entamoeba histolytica
11
11) In humans, beef tapeworm infestations are caused by ingesting
A) the eggs of Taenia saginata.
B) segments of Taenia solium tapeworms.
C) water contaminated with Diphyllobothrium latum eggs.
D) cysticerci of Taenia saginata in undercooked meat.
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12) Which of the post-obit statements about staphylococcal food poisoning is FALSE?
A) It is acquired by ingesting an enterotoxin.
B) It tin exist prevented by adequate refrigeration of food.
C) It can be prevented past heating foods to 50°C for 15 minutes.
xiii
13) The most common cause of traveler's diarrhea is
A) Shigella spp.
B) Salmonella enterica.
C) Giardia lamblia.
D) Escherichia coli.
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xiv) Astute gastroenteritis that occurs after an incubation period of two to three days and commonly affects children is probably acquired by
A) Giardia.
B) rotavirus.
C) Salmonella.
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xv) Which of the following is mismatched?
A) hydatid disease — humans are the definitive host
B) Taenia infestation — humans are the definitive host
C) trichinellosis — humans eat larva of parasite
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16) Thorough cooking of food volition prevent all of the following EXCEPT
A) trichinellosis.
B) beefiness tapeworm.
C) staphylococcal nutrient poisoning.
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17) Most of the normal microbiota of the digestive arrangement are institute in the
A) mouth.
B) tummy.
C) stomach and small intestine.
D) small intestine and large intestine.
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xviii) Gums haemorrhage while brushing one's teeth is about commonly associated with
A) halitosis.
B) cavities.
C) gingivitis.
19
19) Typhoid fever differs from salmonellosis in that in typhoid fever
A) the microorganisms multiply inside macrophages.
B) the incubation period is much longer.
C) the symptoms are due to infection of the gallbladder.
20
xx) Which of the following organisms is probable to be transmitted via contaminated shrimp?
A) Trichinella spiralis
B) Vibrio parahaemolyticus
C) Giardia lamblia
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21) Which of the following organisms is probable to be transmitted via undercooked pork and horse?
A) Salmonella enterica
B) Staphylococcus aureus
C) Trichinella spiralis
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22) A vaccine to provide active immunity to HBV is prepared from
A) viruses grown in tissue culture.
B) genetically modified yeast.
C) pooled gamma globulin.
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23) Aflatoxin is a(north) ________ associated with ingestion of contaminated ________.
A) mycotoxin; peanuts
B) mycotoxin; rye or other cereal grains
C) enterotoxin; peanuts
24
24) Which of the post-obit causes inflammation of the liver?
A) Salmonella enterica
B) Shigella spp.
C) hepatitis A virus
25
25) "Rice water stools" are characteristic of
A) salmonellosis.
B) cholera.
C) bacillary dysentery.
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26) Epidemics related to bacterial infection of the digestive organization are typically caused by
A) biological vectors.
B) contaminated food and h2o.
C) unpasteurized milk.
27
27) Many bacterial infections of the lower digestive tract are treated with
A) antitoxin.
B) penicillin.
C) h2o and electrolytes.
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28) Dental plaque is an instance of
A) a pellicle.
B) a biofilm.
C) gingivitis.
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29) Which of the following is mismatched?
A) ergot — gangrene
B) Salmonella endotoxin — lyses carmine blood cells
C) Vibrio enterotoxin — secretion of Cl-, K+, and Water
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30) Bacterial intoxications differ from bacterial infections of the digestive arrangement in that intoxications
A) are transmitted via contaminated water.
B) are more severe.
C) have shorter incubation times.
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31) The most common mode of HAV transmission is
A) contamination of food during preparation.
B) contamination of food earlier information technology reaches a food service establishment.
C) claret transfusion.
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32) Which of the following correctly lists the stages of tooth decay?
A) plaque accumulation, destruction of enamel, advocacy of decay through enamel, decay in dentin, decay in molar pulp
B) disuse in dentin, plaque aggregating, destruction of enamel, advancement of disuse through enamel, decay in tooth pulp
C) plaque accumulation, destruction of enamel, decay in tooth lurid, advocacy of decay through enamel, decay in dentin
33
33) A 38-twelvemonth-sometime man had onset of fever, chills, nausea, and myalgia while vacationing on the Gulf of Mexico. On April 29, he had eaten raw oysters and gone wading in the warm littoral waters. On May 2, he was admitted to a hospital because of a fever of 39°C and 2 circular necrotic lesions on the left leg. He had a history of alcoholic liver illness. He was transferred to the ICU; therapy with antibiotics was initiated. On May 4, he died. Which of the post-obit is the almost probable cause?
A) Bacillus cereus
B) Cyclospora cayetanensis
C) Salmonella typhi
D) Vibrio vulnificus
34
34) Which of the following is included in GALT?
A) thymus
B) Peyer's patches
C) tonsils
35
35) Microscopic examination of a patient's fecal culture shows screw bacteria. The bacteria probably belong to the genus
A) Campylobacter jejuni.
B) Escherichia coli.
C) Salmonella typhi.
36
36) Which of the following pertains to typhoid fever?
A) Information technology is acquired via ingestion of contaminated meat.
B) Enterotoxin spreads via the blood.
C) It is caused by several unlike species of Salmonella.
D) Causative microorganism multiplies in patient phagocytes.
37
37) All of the following are gram-negative rods that cause gastroenteritis EXCEPT
A) Clostridium perfringens.
B) Escherichia coli.
C) Salmonella typhi.
38
38) Helicobacter pylori can grow in the stomach because it
A) hides in macrophages.
B) makes a capsule.
C) possesses an enzyme that neutralizes HCl.
39
39) All of the following are eukaryotic organisms that cause diarrheal disease EXCEPT
A) Cryptosporidium.
B) Cyclospora.
C) Entamoeba.
D) Giardia.
E) Campylobacter.
40
40) All of the following pertain to pinworm infections EXCEPT
A) manual is typically by contact with fomites or inhalation of eggs.
B) diagnosis is past detecting eggs on transparent record pressed to the perianal area.
C) all family members living with the patient must also exist treated.
D) information technology is well-nigh commonly transmitted by cysts in water.
41
41) What is a Dane particle?
A) the chlorine-resistant virus that causes HAV
B) the infectious virion that causes HBV
C) the spherical particles found in serum of patients with HBV
42
42) Which of the following is mismatched?
A) beef — E. coli O157:H7
B) custard and foam pies — Staphylococcus aureus
C) eggs — Trichinella spiralis
43
Following a county fair, 160 persons complained of gastrointestinal symptoms. Symptoms included diarrhea (84 percent), intestinal cramps (96 percent), nausea (84 percent), vomiting (82 percent), body aches (fifty per centum), fever (60 pct; median body temperature = 38.three°C); median duration of disease six days (range 10 hr to 13 days).
43) In State of affairs 25.ane, fecal samples should be cultured for all of the following EXCEPT
A) Salmonella enterica.
B) Shigella spp.
C) Campylobacter jejuni.
D) enteropathogenic Escherichia coli.
East) Giardia lamblia.
44
44) In Situation 25.ane, fecal samples were found to be negative when cultured. The next step in diagnosing the cause of illness would be
A) to begin antibiotic therapy.
B) claret cultures.
C) microscopic examination of feces for oocysts.
45
45) The relative risks shown in Table 25.one were calculated for foods suspected of transmitting Salmonella. Which food is the well-nigh likely source of infection?
A) black beans
B) corn soup
C) jalapeño peppers
46
1) Campylobacter gastroenteritis is the leading cause of foodborne illness in the United States.
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ii) Dental caries tin can also be referred to as periodontal disease.
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iii) Bacterial infections, but non intoxications, can crusade diarrhea.
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iv) An outbreak of viral gastroenteritis occurs in a pediatrics ward. Rotavirus is the most likely causative agent.
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5) Aflatoxin poisoning is associated with liver cancer.
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vi) Approximately thirty percent of the body'south immune organisation is located in the intestinal tract.
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7) Lactic acid, an cease product of fructose fermentation, causes breakdown of tooth enamel and, eventually, cavities.
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eight) Gastroenteritis due to ingestion of food contaminated with Staphylococcus aureus is due to intoxication by enterotoxins.
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9) EHEC is a major crusade of diarrhea in developing countries and may result in the death of small children.
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10) H. pylori is able to survive the acidic surroundings of the breadbasket as a result of adaptations that allow it to increase the pH of the immediate environment.
Source: https://www.easynotecards.com/notecard_set/78912
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