Question 1

Which is incorrect about Staphylococcus aureus food intoxication?

Accepted Answer

A)   Food gets contaminated by a human carrier
B)   Common associated foods include custards, ham, cream pastries, and processed meats
C)   After contamination, food must be left unrefrigerated for a few hours
D)   Ingestion of the pathogen allows it to multiply and damage the GI tract lining
E)   Symptoms come on quickly and include nausea, vomiting, and diarrheaF) A) and C)
G) A) and E)

Question 2

The most immediate and important treatment needed to prevent death in cholera victims is ________.

Accepted Answer

A)   water and electrolyte replacement
B)   antimicrobials
C)   antitoxin
D)   surgery
E)   None of the choices are correct.F) C) and D)
G) A) and B)

Question 3

Defenses of the GI tract against pathogens include ________.

Accepted Answer

A)   mucus, acid, and saliva
B)   secretory IgA and lysozyme
C)   peristalsis
D)   GALT
E)   All of the choices are correct.F) A) and D)
G) B) and E)

Question 4

Helicobacter pylori causes ________.

Accepted Answer

A)   gastritis
B)   duodenal ulcers
C)   stomach ulcers
D)   increased risk for stomach cancer
E)   All of the choices are correct.F) A) and B)
G) A) and E)

Question 5

The causative organism for mumps is ________.

Accepted Answer

A)   Paramyxovirus
B)   Morbillivirus
C)   Streptococcus pyogenes
D)   Corynebacterium
E)   VibrioF) D) and E)
G) A) and B)

Question 6

Cholera symptoms include ________.

Accepted Answer

A)   copious watery diarrhea
B)   loss of blood volume
C)   acidosis, sunken eyes, and thirst
D)   hypotension, tachycardia, and shock
E)   All of the choices are correct.F) A) and D)
G) A) and C)

Question 7

After drawing the patient's blood for hepatitis B testing, the healthcare worker set the needle on a counter instead of disposing of it in a sharps container. Several hours later, another healthcare worker accidentally stuck herself with the needle. How concerned should she be that she could contract hepatitis B?

Accepted Answer

A)   She should not be concerned at all. The virus dies once the blood dries.
B)   She should not be concerned at all. The virus is not transmitted via blood.
C)   She should be very concerned. The virus can survive several days in dried blood.
D)   She should be very concerned. The virus multiplies indefinitely on hard surfaces.E) A) and B)
F) B) and D)

Question 8

Mumps causes permanent sterility in young male adults.

Accepted Answer

A) True 
 B)False

Question 9

All of the following pertain to tapeworms except ________.

Accepted Answer

A)   scolex is the head
B)   strobila is made up of proglottids
C)   proglottids are reproductive segments
D)   cysticerci are young infective larvae ingested in undercooked meat
E)   eosinophilia does not occurF) B) and E)
G) A) and E) E

Question 10

Trichinosis includes all the following except ________.

Accepted Answer

A)   encysted larvae get ingested
B)   associated with undercooked pork or bear meat
C)   migrate from intestines to blood and various body tissues
D)   coiled larvae encyst in skeletal muscle
E)   All of the choices are correct.F) B) and E)
G) C) and D)

Question 11

The mucinous glycoprotein covering teeth that streptococci attach to is called the ________.

Accepted Answer

A)   enamel
B)   pellicle
C)   gingiva
D)   lactoferrin
E)   oral membraneF) D) and E)
G) A) and B)

Question 12

Certain molecules contribute to the first line of defense in the gastrointestinal tract, including ________.

Accepted Answer

A)   lysozyme and lactoferrin
B)   complement and interleukin-1
C)   interferon and complement
D)   histamine and leukotrieneE) C) and D)
F) All of the above

Question 13

Production of enterotoxin is a characteristic of ________.

Accepted Answer

A)   Clostridium botulinum
B)   Clostridium perfringens
C)   Clostridium difficile
D)   Clostridium tetani
E)   All of the choices are correct.F) A) and B)
G) None of the above

Question 14

The most common infectious disease in humans is ________.

Accepted Answer

A)   the common cold
B)   dental caries
C)   pharyngitis
D)   diarrhea
E)   gastritisF) A) and D)
G) C) and D)

Question 15

All of the following pertain to Clostridium difficile infection except it ________.

Accepted Answer

A)   is due to ingestion of contaminated, improperly stored, cooked meats and gravies
B)   is a colitis that is a superinfection
C)   often has an endogenous source
D)   is associated with disruption of normal flora due to broad-spectrum antimicrobials
E)   is the major cause of diarrhea in hospitalsF) A) and B)
G) None of the above

Question 16

Boiling will not kill Giardia lamblia cysts in contaminated water.

Accepted Answer

A) True 
 B)False

Question 17

In the absence of dietary carbohydrates, bacteria do not cause tooth decay.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following is not a normal causative agent of food poisoning?

Accepted Answer

A)   Clostridium perfringes
B)   Staphylococcus aureus exotoxin
C)   Clostridium difficile
D)   Bacillus cereus
E)   All of the choices are correct.F) B) and C)
G) A) and E) C

Question 19

Research does not indicate a link between the numbers and types of bacteria causing periodontitis and thicker carotid arteries in an individual.

Accepted Answer

A) True 
 B)False  False

Question 20

Hepatitis B virus ________.

Accepted Answer

A)   is principally transmitted by blood
B)   transmission risks include shared needles, anal intercourse, and heterosexual intercourse
C)   is transmitted to the newborn from chronic carrier mothers
D)   has many chronic carriers
E)   All of the choices are correct.F) A) and C)
G) D) and E)

Exam 20: Infectious Diseases Affecting the Gastrointestinal Tract

Which is incorrect about Staphylococcus aureus food intoxication?

Correct Answer
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The most immediate and important treatment needed to prevent death in cholera victims is ________.

Correct Answer
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Defenses of the GI tract against pathogens include ________.

Correct Answer
verified

Helicobacter pylori causes ________.

Correct Answer
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The causative organism for mumps is ________.

Correct Answer
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Cholera symptoms include ________.

Correct Answer
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Correct Answer
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Mumps causes permanent sterility in young male adults.

Correct Answer
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All of the following pertain to tapeworms except ________.

Correct Answer
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E

Trichinosis includes all the following except ________.

Correct Answer
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The mucinous glycoprotein covering teeth that streptococci attach to is called the ________.

Correct Answer
verified

Certain molecules contribute to the first line of defense in the gastrointestinal tract, including ________.

Correct Answer
verified

Production of enterotoxin is a characteristic of ________.

Correct Answer
verified

The most common infectious disease in humans is ________.

Correct Answer
verified

All of the following pertain to Clostridium difficile infection except it ________.

Correct Answer
verified

Boiling will not kill Giardia lamblia cysts in contaminated water.

Correct Answer
verified

In the absence of dietary carbohydrates, bacteria do not cause tooth decay.

Correct Answer
verified

Which of the following is not a normal causative agent of food poisoning?

Correct Answer
verified
C

Research does not indicate a link between the numbers and types of bacteria causing periodontitis and thicker carotid arteries in an individual.

Correct Answer
verified
False

Hepatitis B virus ________.

Correct Answer
verified

Exam 20: Infectious Diseases Affecting the Gastrointestinal Tract

Which is incorrect about Staphylococcus aureus food intoxication?

Correct AnswerverifiedShow Answer

The most immediate and important treatment needed to prevent death in cholera victims is ________.

Correct AnswerverifiedShow Answer

Defenses of the GI tract against pathogens include ________.

Correct AnswerverifiedShow Answer

Helicobacter pylori causes ________.

Correct AnswerverifiedShow Answer

The causative organism for mumps is ________.

Correct AnswerverifiedShow Answer

Cholera symptoms include ________.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Mumps causes permanent sterility in young male adults.

Correct AnswerverifiedShow Answer

All of the following pertain to tapeworms except ________.

Correct AnswerverifiedE

Trichinosis includes all the following except ________.

Correct AnswerverifiedShow Answer

The mucinous glycoprotein covering teeth that streptococci attach to is called the ________.

Correct AnswerverifiedShow Answer

Certain molecules contribute to the first line of defense in the gastrointestinal tract, including ________.

Correct AnswerverifiedShow Answer

Production of enterotoxin is a characteristic of ________.

Correct AnswerverifiedShow Answer

The most common infectious disease in humans is ________.

Correct AnswerverifiedShow Answer

All of the following pertain to Clostridium difficile infection except it ________.

Correct AnswerverifiedShow Answer

Boiling will not kill Giardia lamblia cysts in contaminated water.

Correct AnswerverifiedShow Answer

In the absence of dietary carbohydrates, bacteria do not cause tooth decay.

Correct AnswerverifiedShow Answer

Which of the following is not a normal causative agent of food poisoning?

Correct AnswerverifiedC

Research does not indicate a link between the numbers and types of bacteria causing periodontitis and thicker carotid arteries in an individual.

Correct AnswerverifiedFalse

Hepatitis B virus ________.

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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E

Correct Answer
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C

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False

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