small intestine 1

48 cards

patho��

Created Mar 16, 2010
by esk001

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	Side A	Side B
1	double bubble on Xray failure of recanalization	duodenal atresia and down syndrome
2	comes from failure of involution of the vitelline duct that connects fetal intestine to yolk...	meckel diverticulum
3	Dx meckel diverticulum with? doesn't work without gastric mucosa	nuclear medicine scan technetium 99 concentrates in gastric mucosa
4	hereditary abscence of Auerbach's and/or Meissner's nerve plexus in a portion of the colon...	Hirschsprung disease
5	assoc. with down syndrome presents w/in 1st year: constipation and abdominal distention...	Hirschsprung disease
6	diarrhea that resolves with fasting	osmotic diarrhea
7	isotonic, diarrhea persists w/fasting	secretory diarrhea
8	mucosal destruction leads to purulent bloody stools that persist on fasting	exudative disease
9	neuromuscular abnormality causing diarrhea	deranged motility
10	increased osmolality and steatorrhea; usually abates on fasting	malabsorption
11	low volume painful bloody stool	dysentery
12	most common viral diarrhea in those <2 RNA virus infects and destroys mature enterocyte...	rotavirus
13	1 week incubation moderate disease w/vomiting and diarrhea causes atrophy...	adenovirus
14	nonbacterial food-borne epidemic gastroenteritis in all age groups RNA virus dairrhea,...	Norwalk virus
15	properties of bacteria that lead to entercolitis	adhere to mucosa and replicate elaborate enterotoxins capacity to invade
16	causes dysentery Gram - fecal oral spread from food contamination infects...	Shigella
17	Shiga toxin causes?	hemorrhagic colitis hemolytic syndrome
18	Gram - cause self limited diarrheal illness or typhoid fever in chicken or...	salmonella
19	caused by salmonella typhi only transmitted b/w humans (systemic illness) fever...	Typhoid fever
20	flagellated gram - bacterium most common enteroinvasive diarrhea undercooked...	campylobacter jejuni
21	gram - does not invade produces enterotoxin-->causes increase cAMP ...	vibrio cholera
22	gram - fecal-oral spread cause ileitis, also infect appendix and colon mucosal...	Yersinia enterocolitica
23	e.coli damages the small bowel by adhering to the mucosa and effacing it	classic enteropathic
24	e.coli adhere to the enterocytes and then secrete enterotoxins	enterotoxigenic
25	e.coli invasion, local spread	enteroinvasive
26	e. coli similar to shigella causes hemorrhagic diarrhea and hemolytic uremic syndrome O157:H7	enterohemorrhagic
27	gram + spore forming bacteria found in soil and water that produces potent neurotoxin transmitted...	clostridium botulinum
28	1 gram will kill 1 million people protease that blocks the synaptic release of acetylcholine...	botulinum toxin
29	gram + pt undergoing tx w/broad spectrum antibiotics which changes the gut flora...	C. diff
30	infective eggs found in soil and eaten by humans remain ineffective for years can...	Nematodes-Ascaris
31	go through lungs, pulmonary infiltrates w/eosinophilia eggs hatch in intestines can...	Strongyloides
32	entry through skin develop allergic itching reaction "ground itch" attach...	Hookworm
33	most common worm infection do not invade hypersensitivity rxn w/perianal...	Nematodes Pinworm
34	humans only host eggs not found in feces Dx: apply cellophane tape to perianal...	Pinworm
35	encysted larvae found in muscle from undercooked pork Sx: fever, muscle...	Trichinosis
36	transmitted by raw or undercooked meat do not invade, attach and grow using ingested...	cestodes tapeworm
37	entamoeba histolytica, protozoan dysentery fecal-oral spread colitis...	Amebiasis
38	most common pathogenic parasitic infection in humans protozoan fecal-oral spread public...	Giardiasis
39	middle aged/older females chronic watery diarrhea, predominately secretory band...	collagenous colitis
40	chronic watery diarrhea, predominately secretory usually intermittent mucosa looks...	lymphocytic colitis
41	obligate intracellular org. can cause proctitis (homosexuals and immunosuppressed)	chlamydia
42	life threatening acute inflammatory destruction of the mucosa of the cecal region in chemo...	neutropenic colitis
43	what is reiter's syndrome?	chronic arthritis
44	shiga toxin causes?	hemorrhagic colitis hemolytic uremic syndrome
45	what cause antibiotic induced diarrhea?	changes inthe gut flora and decreased fermentation of carbs resulting in an osmotic diarrhea
46	sx of bacterial overgrowth syndrome	chornic dirrhea, abdominal pain, malabsorption, and weight loss
47	gas within walls of the bowel, indicates serious damage, seen on xray	pneumoatosis intestinalis
48	pneumoatosis intestinalis assoc with? premature infants perforation strictures...	necrotizing entercolitis