Microbiology Final- Chapter 25 Flashcards

Which of the following is mismatched?

Which structure or component of the small intestine is important to antimicrobial defense?

"Rice water stools" are characteristic of

Many bacterial infections of the lower digestive tract are treated with

Thorough cooking of food will prevent all of the following EXCEPT

Which of the following pertains to typhoid fever?

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

What is a Dane particle?

Situation 25.1

Following a county fair, 160 persons complained of gastrointestinal symptoms. Symptoms included diarrhea (84 percent), abdominal cramps (96 percent), nausea (84 percent), vomiting (82 percent), body aches (50 percent), fever (60 percent; median body temperature = 38.3°C); median duration of illness 6 days (range 10 hr to 13 days).

In Situation 25.1, fecal samples should be cultured for all of the following EXCEPT

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?

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

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

Clostridium difficile-associated diarrhea is usually preceded by

Which is true of the Mumps virus?

A young child received a red-eared slider turtle as a birthday gift. Within a week the child was suffering from a severe gastroenteritis that required a visit to urgent care. What is the child likely suffering from?

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

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

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

Poultry products are a likely source of infection by

In humans, beef tapeworm infestations are acquired by ingesting

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

The most common cause of traveler's diarrhea is

Helicobacter pylori can grow in the stomach because it

Which structure or component of the small intestine is important to antimicrobial defense?

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

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

Which of the following is mismatched?

Which of the following causes inflammation of the liver?

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

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

Which of the following is mismatched?

A vaccine to provide active immunity to HBV is prepared from

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

Typhoid fever differs from salmonellosis in that in typhoid fever

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

A rushed homemaker prepared a stew from a large cut of beef but the family only consumed a small portion for dinner. The still-hot large pot was placed in the refrigerator overnight. The next day the stew was warmed for lunch. By the evening the entire family was suffering from varying degrees of diarrhea, abdominal cramping and nausea. You most likely suspect the culprit of this event is

Food Relative Risk

Black beans 0.58

Corn soup 0.75

Jalapeño peppers 34.13

Roma tomatoes 5.40
The relative risks shown in Table 25.1 were calculated for foods suspected of transmitting Salmonella. Which food is the most likely source of infection?

Acute gastroenteritis that occurs after an incubation period of two to three days, persists for about a week, and commonly affects children is probably caused by

Dental plaque is an example of

Situation 25.1

Following a county fair, 160 persons complained of gastrointestinal symptoms. Symptoms included diarrhea (84 percent), abdominal cramps (96 percent), nausea (84 percent), vomiting (82 percent), body aches (50 percent), fever (60 percent; median body temperature = 38.3°C); median duration of illness 6 days (range 10 hr to 13 days).

In Situation 25.1, fecal samples were found to be negative when cultured. The next step in diagnosing the cause of illness would be