Enterobacteriaceae

35問 • 2年前

問題一覧

The bacteria classified as Enterobacteriaceae have common structural, antigenic, and genetic characteristics (True/False)

True.

Most Enterobacteriaceae are part of the normal intestinal flora or cause gastrointestinal disease, but some bacteria of this genus exist in the environment and may only exceptionally be involved as gastroenteritis (True/False)

True.

In in order to live the GIT enterobacteriaceae must be?

Normal flora or pathogen.

Most common seen in GIT tract

Enterobacteriaceae.

Inflammation of the stomach also know as?

Gastroenteritis.

Escherichia coli and certain related bacteria form the group known as the

Coliforms.

The presence of any of these bacteria in drinking water is considered evidence of fecal contamination and, thus an unsafe water supply

Escherichia coli.

A bacterial indicator of sanitary quality of foods and water

Coliforms.

A cause of extraintestinal infections

Escherichia coli.

Several, including endotoxin, capsule production, and pili that meditate attachment to host cells

Escherichia coli.

Etec means?

Enterotoxigenic E. coli.

Pili that permit gastrointestinal colonization. Heat-labile (LT) and heat- stable (ST) enterotoxins that meditate secretion of water and electrolytes

Enterotoxigenic E. coli.

Traveler’s and childhood diarrhea characterized by profuse, watery stools. Transmitted by contaminated food and water

Enterotoxigenic E. coli.

Virulence factors uncertain, but organism invades enterocytes lining in the large intestine manner nearly identical to Shigella spp

Enteroinvasive E. coli.

EIEC means?

Enteroinvasive E. coli.

necrosis, ulceration, and inflammation of large bowel.

Enteroinvasive E. coli.

usually in young children living in areas of poor sanitation

Dysentery.

EPEC means?

Enteropathogenic E. coli.

Bundle- forming pilus, intimin, and other factors that meditate organism attachment to mucosal cells of the small bowel, resulting in changes in cell surface

Enteropathogenic E. coli.

Diarrhea in infants in developing, lowincome nations; can cause a chronic diarrhea

Enteropathogenic E. coli.

EHEC means?

Enterohemorrhagic E. coli.

Toxin similar to Shiga toxin produce by Shigella dysenteriae. Most frequently associated with certain serotypes, such as E.coli 0157:H7

Enterohemorrhagic E. coli.

Inflammation and bleeding of the mucosa of the large intestine (i.e., hemorrhagic colitis); can also lead to

Hemolytic uremic syndrome.

resulting from toxin-mediated damage to kidneys. Transmitted by ingestion of undercooked ground beef or raw milk

Hemolytic uremic syndrome.

H-antigen

Flagella.

O-antigen

Lipopolysaccharide.

K-antigen

Capsule.

EAEC means?

Enteroaggregative E. coli.

Probably involves binding by pili, and hemolysin-like toxins; actual pathogenic mechanism not known

Enteroaggregative E. coli.

Watery diarrhea that, in some causes, can be prolonged. Mode of transmission is not well understood.

Enteroaggregative E. coli.

Laboratory identification of E. coli is based on culture and isolation of organisms from adequate samples (True/False)

True.

Enteroaggregative E. coli can be determined of what kind of test?

Biochemical analysis or serologic test.

What are the treatment in enteroaggregative E. coli

Oral dehydration, Hemodialysis and Anti-microbial therapy.

Shigella dysenteriae is a gram-negative, nonmotile, facultatively anaerobic, nonspore-forming rod (True/False)

True.

From the closely related Escherichia coli on the basis of pathogenicity, failure to ferment lactose, decarboxylate lysine and serology.

Shigella dysenteriae.

Cell structure.

Quinn Karylle Fuentes · 28問 · 2年前

Cell structure.