Question 1

The animal(s) often associated with Salmonella strains is/are

Accepted Answer

A)  turtles.
B)  iguanas.
C)  baby chickens.
D)  ducks.
E)  All of the choices are correct.F) C) and D)
G) All of the above

Question 2

Giardiasis may be contracted from

Accepted Answer

A)  another person.
B)  clear mountain streams.
C)  chlorinated city water.
D)  cold filtered beer.
E)  another person,clear mountain streams AND chlorinated city water.F) B) and C)
G) B) and D)

Question 3

Collections of bacteria that adhere to the surfaces of the teeth are called

Accepted Answer

A)  dental caries.
B)  dental plaque.
C)  halitosis.
D)  periodontal disease.E) B) and C)
F) A) and D)

Question 4

Entamoeba histolytica

Accepted Answer

A)  causes amebiasis.
B)  may form cysts.
C)  cysts survive passage through the stomach.
D)  may produce a cytotoxic enzyme.
E)  All of the choices are correct.F) A) and B)
G) A) and E) E

Question 5

The initial attachment required for establishment of an intestinal infection is by

Accepted Answer

A)  flagella.
B)  cilia.
C)  pseudopodia.
D)  pili.E) A) and C)
F) B) and C)

Question 6

The most commonly identified waterborne illness in the United States is

Accepted Answer

A)  amoebiasis.
B)  cryptosporidiosis.
C)  balantidiasis.
D)  giardiasis.E) A) and B)
F) None of the above

Question 7

Helicobacter pylori appears connected to stomach cancer and ulcers.

Accepted Answer

A) True 
 B)False

Question 8

Viral gastroenteritis in infants and children is most commonly caused by

Accepted Answer

A)  herpes.
B)  hepatitis
C)  Norovirus.
D)  rotavirus.E) None of the above
F) B) and D)

Question 9

Sucrose is one of the major contributors to the development of dental caries.

Accepted Answer

A) True 
 B)False

Question 10

In which of these organs does a carrier of typhoid bacilli maintain the bacteria?

Accepted Answer

A)  liver
B)  gallbladder
C)  Peyer's patches
D)  colon
E)  liver AND Peyer's patchesF) A) and B)
G) All of the above B

Question 11

Cyclospora cayetanensis has,so far,not been identified with an animal source.

Accepted Answer

A) True 
 B)False  True

Question 12

The diarrhea of cholera has been described as

Accepted Answer

A)  a viscous fluid.
B)  small in volume.
C)  somewhat watery.
D)  a rice water stool.E) C) and D)
F) A) and B)

Question 13

The primary treatment for cholera is

Accepted Answer

A)  the administration of antibiotics.
B)  vaccination.
C)  by blood transfusion.
D)  simply rehydration.
E)  vaccination AND by blood transfusion.F) A) and E)
G) C) and E)

Question 14

may infect

Accepted Answer

A)  dogs.
B)  pigs.
C)  cattle.
D)  humans.
E)  All of the choices are correct.F) B) and C)
G) B) and E)

Question 15

Both Giardia lamblia and parvum are resistant to chlorine.

Accepted Answer

A) True 
 B)False

Question 16

The symptoms of cholera are due to the action of

Accepted Answer

A)  an endotoxin.
B)  modified mucus.
C)  flagella.
D)  an exotoxin.E) A) and B)
F) B) and C)

Question 17

The food products most commonly contaminated with Salmonella strains are

Accepted Answer

A)  meat and seafood.
B)  milk and cheese.
C)  fruit and vegetables.
D)  eggs and poultry.E) A) and D)
F) None of the above

Question 18

The infectious dose for cholera is much larger than that for shigellosis.

Accepted Answer

A) True 
 B)False

Question 19

The most common chronic blood-borne infection in the U.S.is

Accepted Answer

A)  hepatitis A
B)  hepatitis B
C)  hepatitis C
D)  hepatitis DE) A) and C)
F) B) and D)

Question 20

The principal cause of dental caries is

Accepted Answer

A)  S.mutans.
B)  S.salivarius.
C)  S.mitis.
D)  S.sanguis.E) A) and C)
F) All of the above

Exam 24: Digestive System Infections

The animal(s) often associated with Salmonella strains is/are

Correct AnswerverifiedShow Answer

Giardiasis may be contracted from

Correct AnswerverifiedShow Answer

Collections of bacteria that adhere to the surfaces of the teeth are called

Correct AnswerverifiedShow Answer

Entamoeba histolytica

Correct AnswerverifiedE

The initial attachment required for establishment of an intestinal infection is by

Correct AnswerverifiedShow Answer

The most commonly identified waterborne illness in the United States is

Correct AnswerverifiedShow Answer

Helicobacter pylori appears connected to stomach cancer and ulcers.

Correct AnswerverifiedShow Answer

Viral gastroenteritis in infants and children is most commonly caused by

Correct AnswerverifiedShow Answer

Sucrose is one of the major contributors to the development of dental caries.

Correct AnswerverifiedShow Answer

In which of these organs does a carrier of typhoid bacilli maintain the bacteria?

Correct AnswerverifiedB

Cyclospora cayetanensis has,so far,not been identified with an animal source.

Correct AnswerverifiedTrue

The diarrhea of cholera has been described as

Correct AnswerverifiedShow Answer

The primary treatment for cholera is

Correct AnswerverifiedShow Answer

may infect

Correct AnswerverifiedShow Answer

Both Giardia lamblia and parvum are resistant to chlorine.

Correct AnswerverifiedShow Answer

The symptoms of cholera are due to the action of

Correct AnswerverifiedShow Answer

The food products most commonly contaminated with Salmonella strains are

Correct AnswerverifiedShow Answer

The infectious dose for cholera is much larger than that for shigellosis.

Correct AnswerverifiedShow Answer

The most common chronic blood-borne infection in the U.S.is

Correct AnswerverifiedShow Answer

The principal cause of dental caries is

Correct AnswerverifiedShow Answer

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E

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B

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True

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