Print Options

Card layout: ?

← Back to notecard set|Easy Notecards home page

Instructions for Side by Side Printing
  1. Print the notecards
  2. Fold each page in half along the solid vertical line
  3. Cut out the notecards by cutting along each horizontal dotted line
  4. Optional: Glue, tape or staple the ends of each notecard together
  1. Verify Front of pages is selected for Viewing and print the front of the notecards
  2. Select Back of pages for Viewing and print the back of the notecards
    NOTE: Since the back of the pages are printed in reverse order (last page is printed first), keep the pages in the same order as they were after Step 1. Also, be sure to feed the pages in the same direction as you did in Step 1.
  3. Cut out the notecards by cutting along each horizontal and vertical dotted line
To print: Ctrl+PPrint as a list

72 notecards = 18 pages (4 cards per page)

Viewing:

Microbiology Chapter 25 Diseases of the Gastrointestinal Tract

front 1

Diseases of the ___________ are the second most common illnesses in the United States.

back 1

digestive system

front 2

Diseases of the digestive system usually result from ingesting _____________________________

back 2

microorganisms or their toxins in food
and water

front 3

The fecal–oral cycle of transmission can be broken by the:
____________________
____________________
____________________.

back 3

proper disposal of sewage,
the disinfection of drinking water,
and proper food preparation and storage

front 4

True or False
Small numbers of bacteria colonize the mouth

back 4

False:
Large numbers of bacteria colonize the mouth

front 5

True or False:
The stomach and small intestine have a lot of resident microorganisms

back 5

False
The stomach and small intestine have few resident microorganisms

front 6

Bacteria in the large intestine assist ______________________________________

back 6

in degrading food and synthesizing vitamins

front 7

Up to _____ of fecal mass is microbial cells

back 7

40%

front 8

_______________, found in the mouth, uses sucrose to form dextran from glucose and lactic acid
from fructose

back 8

Streptococcus mutans

front 9

Bacteria adhere to teeth by the sticky _________, forming dental plaque

back 9

dextran

front 10

Caries of the cementum and gingivitis are caused by
-
-
-

back 10

streptococci,
actinomycetes,
and anaerobic gram-negative bacteria

front 11

Acute necrotizing ulcerative gingivitis is often caused by -----------------

back 11

Prevotella intermedia

front 12

Staphylococcal food poisoning is caused by the ingestion of an _________ produced in improperly
stored foods.

back 12

enterotoxin

front 13

S. aureus is inoculated into foods during __________. The bacteria grow and produce enterotoxin in food stored at room temperature

back 13

preparation

front 14

True or False
Boiling for 30 minutes is not sufficient to denature the exotoxin

back 14

True

front 15

Foods with high osmotic pressure (like salt) and those not cooked immediately before consumption are most
often the source of _____________________________

back 15

staphylococcal enterotoxicosis

front 16

Shigellosis (Bavillary Dysentery) is caused by any of four species of ______________

back 16

Shigella

front 17

Symptoms include blood and mucus in stools, abdominal cramps, and fever.

back 17

Symptoms of Shigellosis

front 18

Infections by __________result in ulceration of the intestinal mucosa

back 18

S. dysenteriae

front 19

Salmonellosis, or Salmonella gastroenteritis, is caused by many ____________________________

back 19

Salmonella enterica serovars.

front 20

Symptoms include nausea, abdominal pain, and diarrhea and begin 12 to 36 hours after eating large numbers of Salmonella

back 20

Salmonellosis

front 21

True or False
Salmonellosis can cause Septic shock to occur in infants and in the elderly

back 21

True

front 22

True or False
Cooking food will usually kill Salmonella

back 22

True

front 23

_________ causes typhoid fever; the bacteria are transmitted by contact with human feces

back 23

Salmonella typhi

front 24

S. typhi is harbored in the ___________ of carriers

back 24

gallbladder

front 25

Typhoid fever is treated with ___________ and ________

back 25

quinolones and cephalosporins

front 26

Vibrio cholerae O:1 and O:139 produce an exotoxin that ________________________________________

back 26

alters the membrane permeability of the intestinal
mucosa

front 27

Vibrio gastroenteritis can be caused by ______________________ and _______________________

back 27

V. parahaemolyticus and V. vulnificus

front 28

Noncholera Vibrios diseases are contracted by __________________________________

back 28

eating contaminated crustaceans or contaminated mollusks

front 29

Traveler’s diarrhea may be caused by enterotoxigenic or enteroinvasive strains of __________.

back 29

E. coli

front 30

___________ is the second most common cause of diarrhea in the United States

back 30

Campylobacter

front 31

Campylobacter is transmitted in

back 31

unpasteurized cow’s milk or fruit juices and poorly cooked

front 32

___________________ produces ammonia, which neutralizes stomach acid; the bacteria colonize the stomach
mucosa and cause peptic ulcer disease.

back 32

Helicobacter pylori

front 33

with Yersinia Gastroenteritis ____________ and _______________ are transmitted in meat and milk.

back 33

Y. enterocolitica and Y. pseudotuberculosis

front 34

True or False:
Yersinia can grow at refrigeration temperatures

back 34

True

front 35

Growth of__________ following antibiotic therapy can result in mild diarrhea or severe colitis.

back 35

C. difficile

front 36

True or false C. diff condition is usually associated with hospitalized patients and nursing home residents.

back 36

true

front 37

Mumps virus enters and exits the body through the ____________________

back 37

respiratory tract

front 38

This virus causes inflammation of the parotid glands, fever, and
pain during swallowing. About 4 to 7 days later, orchitis may occur in males.

back 38

Mumps

front 39

With Mumps After onset of the symptoms, the virus is found in the
-
-
-

back 39

blood, saliva, and urine

front 40

Inflammation of the liver is called _________

back 40

hepatitis

front 41

Viral causes of hepatitis include hepatitis viruses, _____________ (___), and ____________ (___).

back 41

Epstein-Barr virus (EBV), and cytomegalovirus (CMV)

front 42

_____________ (____) causes hepatitis A

back 42

Hepatitis A virus (HAV

front 43

HAV is ingested in contaminated food or water

back 43

ingested in contaminated food or water,

front 44

HAV grows in the

back 44

cells of the intestinal mucosa, and
spreads to the liver, kidneys, and spleen in the blood

front 45

The virus is eliminated with ________

back 45

feces

front 46

_____________ causes hepatitis B, which is frequently serious

back 46

Hepatitis B virus (HBV)

front 47

HBV is transmitted by

back 47

blood transfusions, contaminated syringes, saliva, sweat, breast milk, and
semen

front 48

True or False
The average incubation period is 3 months; recovery is usually complete, but some patients develop
a chronic infection or become carriers.

back 48

True

front 49

Hepatitis C virus (HCV) is transmitted via

back 49

blood

front 50

Viral gastroenteritis is most often caused by a ___________ or _________________

back 50

rotavirus or norovirus

front 51

Ergot poisoning, or ergotism, is caused by the mycotoxin produced by _______________

back 51

Claviceps purpurea

front 52

____________ are the crop most often contaminated with the Claviceps mycotoxin

back 52

Cereal grains

front 53

Giardia lamblia grows in the intestines of humans and wild animals and is transmitted in

back 53

contaminated water

front 54

Cryptosporidiosis causative agent is

back 54

Crytosporidium hominis

front 55

Crytosporidium hominis causes diarrhea

back 55

diarrhea

front 56

Crytosporidium hominis is transmitted in

back 56

contaminated water

front 57

Cyclospora Diarrheal Infection is caused by

back 57

C. cayetanensis

front 58

Cyclospora Diarrheal Infection is transmited by

back 58

contaminated produce

front 59

Amoebic dysentery is caused by ___________________ growing in the large intestine

back 59

Entamoeba histolytica

front 60

Tapeworms are contracted by the consumption of _____________________ containing
encysted larvae (cysticerci

back 60

undercooked beef, pork, or fish

front 61

The ________ attaches to the intestinal mucosa of humans (the definitive host) and matures into an adult
tapeworm

back 61

scolex

front 62

_________________ in humans occurs when the pork tapeworm larvae encyst in humans

back 62

Neurocysticercosis

front 63

Humans are the __________ host for pinworms

back 63

definitive

front 64

Pinworms are acquired by

back 64

is acquired by ingesting Enterobius eggs

front 65

how do you contract hookworms

back 65

Hookworm larvae bore through skin and migrate to the intestine to mature into adults

front 66

hookworm larvae hatch from eggs _________

back 66

shed in feces

front 67

Ascariasis is caused by

back 67

. Ascaris lumbricoides

front 68

Ascaris lumbricoides adults live in _________________

back 68

human intestines

front 69

Ascariasis is acquired by _____________

back 69

ingesting Ascaris eggs

front 70

Trichinellosis is contracted by

back 70

contracted by ingesting undercooked meat containing larvae

front 71

Adult females mature in the 1._______ and lay eggs; the new larvae migrate to invade 2._______

back 71

1. intestine
2. muscles

front 72

Trichinellosis Symptoms include

back 72

fever, swelling around the eyes, and gastrointestinal upset