Flashcards in Quiz 4 sm and lg bowel Deck (33)
#1 cause of gastroenteritis in all age groups?
#1 cause of gastroenteritis/severe diarrhea in pediatrics?
type of food associated with staph aureus?
type of food associated with B cereus?
rice and chicken
type of food associated with vibrio cholera?
salt water crabs and shrimp
type of food associated with c botulinum
what is associated with c dificile?
What is #1 cause of bloody diarrhea?
Do you need a large or small inoculation to get shigella?
What does necrotizing enterocolitis target in infants and what is the bug?
targets ileocecal valve
What does enterocolitis caused by c dificile lead to?
what is sequelae of c dificile enterocolitis?
what is most common location for ischemic colitis?
- 2nd most common location?
splenic flexure because it is between two major arteries
- transverse colon
#1 cause of food poisoning in US?
#2 cause of food poisoning in US?
histology of a leiomyoma
nests of elongated spindles and cigar shaped nuclei
- autosomal dominant disorder
- mucocutaneous hyperpigmentation
- benign GI hamartomas
where are polyps found in PJ syndrome?
small bowel (possibly stomach or large bowel)
What is histology of Pj syndrome?
stromal smooth muscle core
covered by acinar glands
no nuclear atypia
What are the benign small bowel tumors?
What two diseases are hamartomas associated with?
most common type of small bowel malignancy
Carcinoid tumor hist
soccer ball appearance
rounded neoplastic gland
darker crowded nuclei
What can become adenocarcinoma?
more likely to have cancer
Juvenile polyposis syndrome
multiple polyps in GI
increased risk of adenocarcinoma
familial adenomatous polyposis
hundreds to thousands of polyps in epithelium of large intestine
can turn into colon cancer if not treated
What is the term for combination of polyposis, osteomas, and sebaceous cysts?
greater cell density
more mitotic figures
secreted before or during lysis by gm- or gm+
destroyed by heat
encoded exotoxin produced and secreted by bacteria
not destroyed by heat
-e. coli 0157:H7