94) Campylobacter gastroenteritis is the leading cause of foodborne illness in the United States. A) TRUE B) FALSE 95) Dental caries can also be referred to as periodontal disease. A) TRUE B) FALSE 96) Bacterial infections, but not intoxications, can cause diarrhea. A) TRUE B) FALSE 97) An outbreak of viral gastroenteritis occurs in a pediatrics ward. Rotavirus is the most likely causative agent. A) TRUE B) FALSE 98) Aflatoxin poisoning is associated with liver cancer. A) TRUE B) FALSE 99) Approximately 30 percent of the body's immune system is located in the intestinal tract. A) TRUE B) FALSE 100) Lactic acid, an end product of fructose fermentation, causes breakdown of tooth enamel and, eventually, cavities. A) TRUE B) FALSE 101) Gastroenteritis due to ingestion of food contaminated with Staphylococcus aureus is due to intoxication by enterotoxins. A) TRUE B) FALSE 102) EHEC is a major cause of diarrhea in developing countries and may result in the death of small children. A) TRUE B) FALSE 103) H. pylori is able to survive the acidic environment of the stomach as a result of adaptations that allow it to increase the pH of the immediate environment. A) TRUE