Chapter 20 Flashcards

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1
Q

Does that gastrointestinal system have normal biota?

A

Yes

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2
Q

Normal intestinal biota in cattle, poultry, rodents,
and reptiles. Known to cause gastrointestinal
distress.

A

Salmonella

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3
Q

Produces a Shiga Toxin that seems to be
responsible for more serious damage to the
intestine and systemic effects

A

Shigella

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4
Q

Able to superinfect the large intestine when broad
spectrum antibiotics have disrupted the normal
biota.

A

Clostridium difficile

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5
Q

Diarrhea contains flecks of mucus and is described
as “rice water stool”. Fluid losses of 1 liter per
hour have been reported.

A

Cholera

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6
Q

The Virulence of V.cholerae is due entirely to the

A

Cholera toxin (CT)

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7
Q

Refers to symptoms in the gut that are caused by a

preformed toxin of some sort.

A

Food poisoning

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8
Q

Produces two exotoxins: One causes a diarrheal like disease The other causes an emetic, or
vomiting disease

A

Bacillus cereus

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9
Q

Associated with eating foods such as custards,
sauces, cream pastries, processed meats, chicken
salad, or ham

A

Staphylococcus aureus

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10
Q

Causative agent of Gastritis and Gastric Ulcers

A

Helicobacter pylori

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11
Q

Helicobacter pylori Secretes _______ to neutralize

its surroundings for survival in the stomach

A

Urease

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12
Q

Causes inflammation of the parotid salivary
glands, producing the gopher like swelling of the
cheeks

A

Mumps

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13
Q

Inflammatory disease marked by necrosis of
hepatocytes and a mononuclear response that
swells and disrupts the liver architecture.

A

Hepatitis

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14
Q

Yellow tinge in the skin and eyes caused by

bilirubin accumulation in the blood and tissues

A

Jaundice

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15
Q

Hepatitis viruses transmitted through the fecal-oral

route

A

A and E

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16
Q

Symptoms of a Hepatitis A or E infection include:

A

Subclinical or accompanied by vague, flu-like

symptoms

17
Q

Hepatitis viruses transmitted via blood and other

bodily fluids.

A

B, C and D

18
Q

This Virus Can propagate only in the presence of

HBV

A

Hepatitis D virus

19
Q

This virus causes direct damage to liver cells and
in a small population of individuals can lead to an
chronic infection.

A

Hepatitis B virus

20
Q

Liver failure from hepatitis ____is one of the most

common reasons for liver transplants in the U.S.

A

C

21
Q

This Hepatitis virus is prone to chronic infections

in most individuals infected and can lead to cancer

A

Hepatitis C virus