Which of the following is directly involved in the initiation of dental caries?

Many bacterial infections of the lower digestive tract are treated with

Dental plaque is an example of

Bacterial intoxications differ from bacterial infections of the digestive system in that intoxications

The most common mode of HAV transmission is

Which of the following correctly lists the stages of tooth decay?

Which of the following is included in GALT?

Microscopic examination of a patient's fecal culture shows spiral bacteria. The bacteria probably belong to the genus

Which of the following pertains to typhoid fever?

All of the following are gram-negative rods that cause gastroenteritis EXCEPT

Helicobacter pylori can grow in the stomach because it

All of the following pertain to pinworm infections EXCEPT

What is a Dane particle?

All of the following are eukaryotic organisms that cause diarrheal disease EXCEPT

"Rice water stools" are characteristic of

Epidemics related to bacterial infection of the digestive system are typically caused by

Aflatoxin is a(n) ________ associated with ingestion of contaminated ________.

Clostridium difficile-associated diarrhea is usually preceded by

Which of the following statements about salmonellosis is FALSE?

Disease-causing exotoxins are produced by all of the following organisms EXCEPT

Which one of the following diseases of the gastrointestinal system is transmitted by the respiratory route?

The digestive tract is essentially one long tube. The order of the structures, beginning with the mouth, is

Which of the following helminthic diseases is a common infestation found in the southeastern United States?

Poultry products are a likely source of infection by

All of the following infections can result from drinking contaminated water EXCEPT

Which of the following organisms feeds on red blood cells?

In humans, beef tapeworm infestations are acquired by ingesting

Which of the following causes inflammation of the liver?

Acute gastroenteritis that occurs after an incubation period of two to three days and commonly affects children is probably caused by

Which of the following is mismatched?

Thorough cooking of food will prevent all of the following EXCEPT

Most of the normal microbiota of the digestive system are found in the

Gums bleeding while brushing one's teeth is most commonly associated with

Typhoid fever differs from salmonellosis in that in typhoid fever

Which of the following organisms is likely to be transmitted via contaminated shrimp?

Which of the following organisms is likely to be transmitted via undercooked pork and horse?

A vaccine to provide active immunity to HBV is prepared from

The most common cause of traveler's diarrhea is

Which of the following is mismatched?

A 38-year-old 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 coastal waters. On May 2, he was admitted to a hospital because of a fever of 39°C and two circular necrotic lesions on the left leg. He had a history of alcoholic liver disease. He was transferred to the ICU; therapy with antibiotics was initiated. On May 4, he died. Which of the following is the most likely cause?

Which of the following statements about staphylococcal food poisoning is FALSE?

Which of the following is mismatched?