Lec 25 Intestinal Diseases

Question 1

Colon contains how many microbes? How many cells are in our body?

Answer 1

10^14 microbes, 10^13 cells in body

Question 2

Normal flora of GI tract do what jobs?

Answer 2

digestion, vitamin secretion, work immune system, prevent pathogens from growing

Question 3

What is something that can disrupt normal flora?

Answer 3

antibiotics

Question 4

House dust has the same microbes as

Answer 4

baby feces

Question 5

Transmission of diarrhea is

Answer 5

fecal/oral or environmental/oral

Question 6

Who is most affected with diarrhea?

Answer 6

children

Question 7

Ecoli is a model organism that is a marker for what?

Answer 7

Coliform

Question 8

Enterotoxigenic e coli ETEC is what?

Answer 8

traveler’s diarrhea

Question 9

Enteroinvasive e coli EIEC is what?

Answer 9

bloody diarrhea that goes through intestine ET

Question 10

Enteropathogenic E coli is what? EPEC

Answer 10

hospital baby diarrhea that has no toxin or invasion

Question 11

Enterohemorrhagic E coli EHEC causes what?

Answer 11

Hemolytic uremic syndrome and kidney failure

Question 12

EHEC is what strain? Where is it mostly present?

Answer 12

O157: H7; cattle (raw meat)

Question 13

Classify vibrio cholera

Answer 13

g neg, toxin producing

Question 14

Where is v cholera found?

Answer 14

brackish water (saltwater moving into freshwater or vice versa)

Question 15

Cholera causes what symptoms?

Answer 15

severe dehydration because of lots of diarrhea. shock and throw up too

Question 16

Which blood type is most susceptible to v cholera?

Answer 16

blood type O

Question 17

Which blood type is least susceptible to v cholera?

Answer 17

blood type AB

Question 18

Treatment of cholera includes?

Answer 18

IV, rehydration, support

Question 19

Does a cholera vaccine exist?

Answer 19

Yes

Question 20

Salmonella is __ so it is associated with___

Answer 20

zoonosis, turtles,chickens,eggs

Question 21

Mortality for salmonella is __%

Answer 21

10

Question 22

Does a salmonella vaccine exist?

Answer 22

Yes

Question 23

Describe shigella?

Answer 23

g neg, produce toxin,

Question 24

The g neg diseases intestinal are?

Answer 24

cholera, shigella, salmonella, campylobacter, c diff

Question 25

Campylobacter is associated with

Answer 25

raw chicken, tap water etc

Question 26

Describe c diff bacteria

Answer 26

anaerobic, makes spores, makes a toxin

Question 27

C diff can cause what?

Answer 27

pseudomembranous colitis

Question 28

Describe l monocytogenes, who is most susceptible?

Answer 28

g POS, pregnant women/elderly

Question 29

Listeria is able to grow in which unexpected place?

Answer 29

the fridge

Question 30

How do we treat bacterial intestinal infections?

Answer 30

fluid, sulfa drugs, anti-diarrheals

Question 31

What are the viral intestinal diseases?

Answer 31

rotavirus, norovirus

Question 32

Describe rotavirus makeup:

Answer 32

dsRNA

Question 33

Where is rotovirus most common

Answer 33

south africa, asia, south india, south america

Question 34

How can we diagnose rotavirus?

Answer 34

as an outbreak, viral antigens in ELISA

Question 35

What are viruses that don’t make diarrhea but attack intestine?

Answer 35

Adeno and entero viruses, hep A and E

Question 36

Individual prevention of intestinal diseases can be done by

Answer 36

handwashing, cooking meat, using CDC/FDA rules

Question 37

You can get e coli 0157 H7, salmonella, and helminths from?

Answer 37

Beef

Question 38

You can get l monocytogenes from?

Answer 38

Deli meats

Question 39

You can get salmonella, campylobacter, helminths from?

Answer 39

Poultry

Question 40

You can get v cholerae, typhoid, giardia, entameoba, helminths, cyrptosporidium

Answer 40

water

Question 41

You can get salmonella , shigela, helminths, listeria, e coli 0157 H7 from?

Answer 41

Vegetables