front 1 Which of the following is directly involved in the initiation of dental caries? | back 1 lactic acid |
front 2 In humans, beef tapeworm infestations are acquired by ingesting ______. | back 2 cysticerci of Taenia saginata in undercooked meat. |
front 3 The most common cause of traveler's diarrhea is _______. | back 3 Escherichia coli. |
front 4 Which of the following is mismatched? | back 4 hydatid disease — humans are the definitive host |
front 5 Thorough cooking of food will prevent all of the following EXCEPT ______. | back 5 staphylococcal food poisoning. |
front 6 Most of the normal microbiota of the digestive system are found in the _______. | back 6 small intestine and large intestine. |
front 7 Gums bleeding while brushing one's teeth is most commonly associated with _______. | back 7 gingivitis. |
front 8 Clostridium difficile-associated diarrhea is usually preceded by _______. | back 8 extended use of antibiotics. |
front 9 Which of the following organisms is likely to be transmitted via undercooked pork and horse? | back 9 Trichinella spiralis |
front 10 A vaccine to provide active immunity to HBV is prepared from _______. | back 10 genetically modified yeast. |
front 11 Aflatoxin is a(n) ________ associated with ingestion of contaminated ________. | back 11 mycotoxin; peanuts |
front 12 Which of the following causes inflammation of the liver? | back 12 hepatitis A virus |
front 13 "Rice water stools" are characteristic of _______. | back 13 cholera. |
front 14 Epidemics related to bacterial infection of the digestive system are typically caused by ________. | back 14 contaminated food and water. |
front 15 Dental plaque is an example of ________. | back 15 a biofilm. |
front 16 Which of the following is mismatched? | back 16 Salmonella endotoxin — lyses red blood cells |
front 17 Which of the following statements about salmonellosis is FALSE? | back 17 The mortality rate is high. |
front 18 Bacterial intoxications differ from bacterial infections of the digestive system in that intoxications ________. | back 18 have shorter incubation times. |
front 19 The most common mode of HAV transmission is _______. | back 19 contamination of food during preparation. |
front 20 Which of the following correctly lists the stages of tooth decay? | back 20 plaque accumulation, destruction of enamel, advancement of decay through enamel, decay in dentin, decay in tooth pulp |
front 21 Which of the following is included in GALT? | back 21 Peyer's patches |
front 22 All of the following are gram-negative rods that cause gastroenteritis EXCEPT ________. | back 22 Clostridium perfringens. |
front 23 Helicobacter pylori can grow in the stomach because it ________. | back 23 possesses an enzyme that neutralizes HCl. |
front 24 All of the following are eukaryotic organisms that cause diarrheal disease EXCEPT ________. | back 24 Campylobacter. |
front 25 Disease-causing exotoxins are produced by all of the following organisms EXCEPT _______. | back 25 Shigella dysenteriae. |
front 26 All of the following pertain to pinworm infections EXCEPT _______. | back 26 it is most commonly transmitted by cysts in water. |
front 27 Which of the following is mismatched? | back 27 eggs — Trichinella spiralis |
front 28 Which one of the following diseases of the gastrointestinal system is transmitted by the respiratory route? | back 28 mumps |
front 29 The digestive tract is essentially one long tube. The order of the structures, beginning with the mouth, is ________. | back 29 pharynx, esophagus, stomach, small intestine, large intestine. |
front 30 Which of the following helminthic diseases is a common infestation found in the southeastern United States? | back 30 Ascaris lumbricoides |
front 31 Poultry products are a likely source of infection by ______. | back 31 Salmonella enterica. |
front 32 All of the following infections can result from drinking contaminated water EXCEPT ________. | back 32 trichinellosis. |
front 33 Campylobacter gastroenteritis is the leading cause of foodborne illness in the United States. | back 33 True |
front 34 Aflatoxin poisoning is associated with liver cancer. | back 34 True |
front 35 Lactic acid, an end product of fructose fermentation, causes breakdown of tooth enamel and, eventually, cavities. | back 35 True |