Question 1

Botulin, the toxin of botulism is

Accepted Answer

A)   not as virulent as tetanospin.
B)   detected and diagnosed by analyzing a patient's blood.
C)   the cause of rigid paralysis.
D)   only produced under anaerobic conditions.
E)   produced when spores germinate in the intestines of adults after ingesting contaminated food.F) A) and B)
G) A) and C)

Question 2

Which of the following pertains to both tetanus and food-borne botulism?

Accepted Answer

A)   It can be treated with antibiotics.
B)   It is caused by enterotoxins of the pathogen.
C)   Exotoxin blocks acetylcholine release.
D)   Nausea and diarrhea are symptoms.
E)   Treatment involves antitoxin therapy.F) D) and E)
G) A) and D)

Question 3

All of the following are true about diphtheria toxin, except

Accepted Answer

A)   it inhibits cellular protein synthesis.
B)   it must be neutralized with antitoxin.
C)   it primarily targets the heart and nerves.
D)   it is an exotoxin.
E)   antitoxin DAT)  comes from immunized human pla donors.F) C) and D)
G) All of the above

Question 4

Propionibacterium acnes is normal flora of sebaceous glands of the skin.

Accepted Answer

A) True 
 B)False

Question 5

Mycobacterium tuberculosis

Accepted Answer

A)   produces several virulence factor enzymes and an exotoxin.
B)   has a cord factor that can prevent destruction by lysosomes and macrophages.
C)   is a spore-former.
D)   has a capsule.
E)   lives in the soil.F) A) and B)
G) A) and C)

Question 6

Which of the following would be a significant risk factor for the development of listeriosis?

Accepted Answer

A)   consumption of meat, poultry, eggs, and dairy products.
B)   being a vegan.
C)   receiving immunosuppressive drugs for treatment of an autoimmne disease
D)   consuming home-canned foods.E) All of the above
F) A) and B)

Question 7

Which is not a characteristic of Nocardia?

Accepted Answer

A)   It can be transmitted by respiratory droplets.
B)   It can cause pneumonia with symptoms similar to tuberculosis.
C)   They are filamentous rods that grow in clusters called sulfur granules in infected tissue.
D)   It lives in the soil.
E)   It causes most cases in the immunocompromised.F) A) and B)
G) A) and E)

Question 8

People who have received the BCG immunization will generally have a negative tuberculin skin test.

Accepted Answer

A) True 
 B)False

Question 9

Leprosy is a disease

Accepted Answer

A)   of lung tissue.
B)   that has been eradicated around the world.
C)   caused by a pathogen that cannot be cultured in the lab.
D)   can be diagnosed by the Mantoux test.
E)   caused by a spore-forming, gram-positive bacillus.F) All of the above
G) A) and D)

Question 10

Discuss the types of foods and food preparation associated with food-borne botulism, and explain how neurotoxins gain entry to the foods.

Accepted Answer

Food-borne botulism is typically associa...

Question 11

Vegans are not at risk for infection caused by Listeria monocytogenes because they don't consume animal products.

Accepted Answer

A) True 
 B)False  False

Question 12

A specimen was collected from a deep wound. A smear was prepared and Gram stained and samples were inoculated onto two blood agar plates. Both blood agar plates were incubated for 48 hours at 35°C, but one blood agar plate was incubated aerobically and the other was incubated in an anaerobe jar. The Gram stain of the original specimen showed large gram-positive bacilli. After incubation, there was no growth on the blood agar plate that was incubated aerobically, but the plate incubated in the anaerobe jar grew beta hemolytic colonies. A Gram stain of these colonies showed large gram positive bacilli, some with unstained inclusions, suggestive of endospores. What is the most likely genus of bacteria observed?

Accepted Answer

A)   Bacillus
B)   Mycobacterium
C)   Listeria
D)   Clostridium
E)   CorynebacteriumF) C) and E)
G) D) and E)

Question 13

Which of the following may be recommended for treating gangrene?

Accepted Answer

A)   debridement of the wound
B)   hyperbaric chamber
C)   amputation of affected limb
D)   rigorous cleansing of deep wounds
E)   All of these choices are correct.F) A) and D)
G) A) and E)

Question 14

The granulomas that develop in the lung tissue during tuberculosis are termed _____.

Accepted Answer

The answer of The granulomas that develop in the lung...

Question 15

A diagnosis of tuberculosis involves

Accepted Answer

A)   chest X-ray.
B)   acid-fast stain of sputum.
C)   sputum culture.
D)   tuberculin skin test.
E)   All of these choices are correct.F) B) and C)
G) A) and C)

Question 16

Production of a neurotoxin that prevents acetylcholine release from motor neurons at neuromuscular junctions is a characteristic of

Accepted Answer

A)   Clostridium botulinum.
B)   Clostridium perfringens.
C)   Clostridium difficile.
D)   Clostridium tetani.
E)   All of these choices are correct.F) A) and E)
G) C) and E) A

Question 17

Production of enterotoxin is a characteristic of

Accepted Answer

A)   Clostridium botulinum.
B)   Clostridium perfringens.
C)   Clostridium difficile.
D)   Clostridium tetani.
E)   All of these choices are correct.F) C) and E)
G) C) and D)

Question 18

Botox injections contain botulinum toxin.

Accepted Answer

A) True 
 B)False

Question 19

Which is not correct about Mycobacterium species?

Accepted Answer

A)   All species are human pathogens.
B)   Mycobacterial cell walls have waxy lipids.
C)   Mycobateria are acid-fast.
D)   Many mycobacterial species have a slow growth rate.
E)   Mycobacterial cells are long, slender rods.F) A) and E)
G) D) and E) A

Question 20

Treatment and control of anthrax includes

Accepted Answer

A)   use of antimicrobics, such as ciprofloxacin for active cases.
B)   vaccination of livestock.
C)   toxoid for military and those with occupational exposure.
D)   proper disposal of animals that have died from anthrax.
E)   All of these choices are correct.F) B) and D)
G) C) and D)

Exam 19: The Gram-Positive Bacilli of Medical Importance

Botulin, the toxin of botulism is

Correct Answer
verified

Which of the following pertains to both tetanus and food-borne botulism?

Correct Answer
verified

All of the following are true about diphtheria toxin, except

Correct Answer
verified

Propionibacterium acnes is normal flora of sebaceous glands of the skin.

Correct Answer
verified

Mycobacterium tuberculosis

Correct Answer
verified

Which of the following would be a significant risk factor for the development of listeriosis?

Correct Answer
verified

Which is not a characteristic of Nocardia?

Correct Answer
verified

People who have received the BCG immunization will generally have a negative tuberculin skin test.

Correct Answer
verified

Leprosy is a disease

Correct Answer
verified

Discuss the types of foods and food preparation associated with food-borne botulism, and explain how neurotoxins gain entry to the foods.

Correct Answer
Answered by ExamLex AI
Food-borne botulism is typically associa...
View Answer

Vegans are not at risk for infection caused by Listeria monocytogenes because they don't consume animal products.

Correct Answer
verified
False

Correct Answer
verified

Which of the following may be recommended for treating gangrene?

Correct Answer
verified

The granulomas that develop in the lung tissue during tuberculosis are termed _____.

Correct Answer
verified

A diagnosis of tuberculosis involves

Correct Answer
verified

Production of a neurotoxin that prevents acetylcholine release from motor neurons at neuromuscular junctions is a characteristic of

Correct Answer
verified
A

Production of enterotoxin is a characteristic of

Correct Answer
verified

Botox injections contain botulinum toxin.

Correct Answer
verified

Which is not correct about Mycobacterium species?

Correct Answer
verified
A

Treatment and control of anthrax includes

Correct Answer
verified

Exam 19: The Gram-Positive Bacilli of Medical Importance

Botulin, the toxin of botulism is

Correct AnswerverifiedShow Answer

Which of the following pertains to both tetanus and food-borne botulism?

Correct AnswerverifiedShow Answer

All of the following are true about diphtheria toxin, except

Correct AnswerverifiedShow Answer

Propionibacterium acnes is normal flora of sebaceous glands of the skin.

Correct AnswerverifiedShow Answer

Mycobacterium tuberculosis

Correct AnswerverifiedShow Answer

Which of the following would be a significant risk factor for the development of listeriosis?

Correct AnswerverifiedShow Answer

Which is not a characteristic of Nocardia?

Correct AnswerverifiedShow Answer

People who have received the BCG immunization will generally have a negative tuberculin skin test.

Correct AnswerverifiedShow Answer

Leprosy is a disease

Correct AnswerverifiedShow Answer

Discuss the types of foods and food preparation associated with food-borne botulism, and explain how neurotoxins gain entry to the foods.

Correct AnswerAnswered by ExamLex AIFood-borne botulism is typically associa...View AnswerShow Answer

Vegans are not at risk for infection caused by Listeria monocytogenes because they don't consume animal products.

Correct AnswerverifiedFalse

Correct AnswerverifiedShow Answer

Which of the following may be recommended for treating gangrene?

Correct AnswerverifiedShow Answer

The granulomas that develop in the lung tissue during tuberculosis are termed _____.

Correct AnswerverifiedShow Answer

A diagnosis of tuberculosis involves

Correct AnswerverifiedShow Answer

Production of a neurotoxin that prevents acetylcholine release from motor neurons at neuromuscular junctions is a characteristic of

Correct AnswerverifiedA

Production of enterotoxin is a characteristic of

Correct AnswerverifiedShow Answer

Botox injections contain botulinum toxin.

Correct AnswerverifiedShow Answer

Which is not correct about Mycobacterium species?

Correct AnswerverifiedA

Treatment and control of anthrax includes

Correct AnswerverifiedShow Answer

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Correct Answer
Answered by ExamLex AI
Food-borne botulism is typically associa...
View Answer

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False

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A

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