Question 1

Symptoms of influenza include

Accepted Answer

A)  nasal discharge,mild fever,and absence of cough.
B)  fever,diarrhea,and vomiting.
C)  fever,myalgia,sore throat,cough,and nasal discharge.
D)  fever,sore throat,rash,and cough.
E)  fever and pneumonia.F) A) and E)
G) A) and D)

Question 2

Cold viruses are transmitted by

Accepted Answer

A)  droplet contact.
B)  indirect contact.
C)  direct contact.
D)  All of the choices are correct.E) None of the above
F) All of the above

Question 3

Your dog has flu caused by an H3N8 strain.Assume that you breathe in this strain,after you have already come in contact with an H1N1 strain.Both viruses go into the cells of your upper respiratory tract.During the viral replication cycle inside of your epithelial cells,genetic information for hemagglutinin antigen and for neuraminidase antigen are recombined.Your cells end up producing a new variant---H3N1.Predict what might happen as a result of this set of events.

Accepted Answer

A)  Only people who have never had flu before will get sick from the new H3N1 variant.
B)  This is not a problem because the human immune system can respond quickly to any new antigens never seen before.
C)  This novel virus will spread through the human population without much resistance.
D)  Since this new virus has antigens from a dog strain,the new strain will not be able to infection human cells.E) C) and D)
F) A) and D)

Question 4

In addition to antimicrobials,patients with diphtheria are treated with

Accepted Answer

A)  antitoxin.
B)  tracheostomy.
C)  heart medication.
D)  bronchoscopy.
E)  All of the choices are correct.F) A) and B)
G) B) and E) E

Question 5

Diphtheria is considered to be an upper respiratory tract infection.However,it can have a very high mortality rate if not caught early and treated.Predict why this is so.

Accepted Answer

A)  It makes a toxin that can be carried in blood and produce organ damage,particularly the heart.
B)  It successfully hides from the immune system of the patient.
C)  The patient cannot eat or drink and so basically starves to death.
D)  The bacterium moves from the throat to the brain,causing strokes to occur.E) A) and B)
F) A) and C) A

Question 6

Which of the following is not true of S.pyogenes?

Accepted Answer

A)  group A streptococcus
B)  gram-positive
C)  forms endospores
D)  sensitive to bacitracin
E)  beta-hemolyticF) A) and D)
G) A) and C)

Question 7

What features of the respiratory system protect it from infection?

Accepted Answer

A)  nasal hairs
B)  cilia
C)  mucus
D)  macrophages
E)  All of the choices are correct.F) B) and E)
G) All of the above

Question 8

The major reservoir for the hantavirus is the deer mouse.

Accepted Answer

A) True 
 B)False  True

Question 9

Infection travels to the middle ear by way of the

Accepted Answer

A)  auditory canal.
B)  sinuses.
C)  nasal cavity.
D)  eustachian (auditory) tubes.
E)  subarachnoid space.F) D) and E)
G) B) and C)

Question 10

Which disease involves transmission by aerosolized water from whirlpool spas,air conditioners,cooling towers,and supermarket vegetable misters?

Accepted Answer

A)  legionellosis
B)  pertussis
C)  brucellosis
D)  plague
E)  traveler's diarrheaF) A) and E)
G) None of the above

Question 11

Disease/s caused by Streptococcus pneumoniae include

Accepted Answer

A)  otitis media.
B)  meningitis.
C)  lobar pneumonia.
D)  bronchial pneumonia.
E)  All of the choices are correct.F) C) and D)
G) A) and E)

Question 12

A paroxysmal cough is associated with Legionnaires' disease.

Accepted Answer

A) True 
 B)False

Question 13

The pathogen that causes Legionnaires' pneumonia also causes a milder infection called Pontiac fever.

Accepted Answer

A) True 
 B)False

Question 14

Treatment for diphtheria requires only penicillin or erythromycin.

Accepted Answer

A) True 
 B)False

Question 15

Virulence factors of S.pyogenes include

Accepted Answer

A)  polysaccharides on the cell wall.
B)  lipoteichoic acid.
C)  spiky M proteins.
D)  hyaluronic acid capsule.
E)  All of the choices are correct.F) B) and D)
G) A) and C)

Question 16

Mycobacterium tuberculosis

Accepted Answer

A)  produces several virulence factor enzymes and an exotoxin.
B)  integrates its genome into host cell DNA.
C)  can survive for 8 months in fine aerosol particles.
D)  has a capsule.
E)  lives in the soil.F) A) and B)
G) C) and D)

Question 17

The most common causative agent of otitis media is

Accepted Answer

A)  Aspergillus fumigatus.
B)  Haemophilus influenzae.
C)  Candida albicans.
D)  Corynebacterium diphtheriae.
E)  Streptococcus pneumoniae.F) D) and E)
G) C) and E)

Question 18

Which of the following is not a virulence factor of Bordetella pertussis?

Accepted Answer

A)  endotoxin
B)  tracheal cytotoxin
C)  M protein
D)  pertussis toxin
E)  filamentous hemagglutininF) B) and E)
G) B) and D)

Question 19

When the centers of tubercles break down into _____ lesions,they gradually heal by calcification that replaces normal lung tissue.

Accepted Answer

A)  primary
B)  secondary
C)  necrotic caseous
D)  granuloma
E)  tertiaryF) B) and E)
G) A) and B)

Question 20

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

Accepted Answer

A) True 
 B)False

Exam 21: Infectious Diseases Affecting the Respiratory System

Symptoms of influenza include

Correct Answer
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Cold viruses are transmitted by

Correct Answer
verified

Correct Answer
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In addition to antimicrobials,patients with diphtheria are treated with

Correct Answer
verified
E

Diphtheria is considered to be an upper respiratory tract infection.However,it can have a very high mortality rate if not caught early and treated.Predict why this is so.

Correct Answer
verified
A

Which of the following is not true of S.pyogenes?

Correct Answer
verified

What features of the respiratory system protect it from infection?

Correct Answer
verified

The major reservoir for the hantavirus is the deer mouse.

Correct Answer
verified
True

Infection travels to the middle ear by way of the

Correct Answer
verified

Which disease involves transmission by aerosolized water from whirlpool spas,air conditioners,cooling towers,and supermarket vegetable misters?

Correct Answer
verified

Disease/s caused by Streptococcus pneumoniae include

Correct Answer
verified

A paroxysmal cough is associated with Legionnaires' disease.

Correct Answer
verified

The pathogen that causes Legionnaires' pneumonia also causes a milder infection called Pontiac fever.

Correct Answer
verified

Treatment for diphtheria requires only penicillin or erythromycin.

Correct Answer
verified

Virulence factors of S.pyogenes include

Correct Answer
verified

Mycobacterium tuberculosis

Correct Answer
verified

The most common causative agent of otitis media is

Correct Answer
verified

Which of the following is not a virulence factor of Bordetella pertussis?

Correct Answer
verified

When the centers of tubercles break down into _____ lesions,they gradually heal by calcification that replaces normal lung tissue.

Correct Answer
verified

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

Correct Answer
verified

Exam 21: Infectious Diseases Affecting the Respiratory System

Symptoms of influenza include

Correct AnswerverifiedShow Answer

Cold viruses are transmitted by

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

In addition to antimicrobials,patients with diphtheria are treated with

Correct AnswerverifiedE

Diphtheria is considered to be an upper respiratory tract infection.However,it can have a very high mortality rate if not caught early and treated.Predict why this is so.

Correct AnswerverifiedA

Which of the following is not true of S.pyogenes?

Correct AnswerverifiedShow Answer

What features of the respiratory system protect it from infection?

Correct AnswerverifiedShow Answer

The major reservoir for the hantavirus is the deer mouse.

Correct AnswerverifiedTrue

Infection travels to the middle ear by way of the

Correct AnswerverifiedShow Answer

Which disease involves transmission by aerosolized water from whirlpool spas,air conditioners,cooling towers,and supermarket vegetable misters?

Correct AnswerverifiedShow Answer

Disease/s caused by Streptococcus pneumoniae include

Correct AnswerverifiedShow Answer

A paroxysmal cough is associated with Legionnaires' disease.

Correct AnswerverifiedShow Answer

The pathogen that causes Legionnaires' pneumonia also causes a milder infection called Pontiac fever.

Correct AnswerverifiedShow Answer

Treatment for diphtheria requires only penicillin or erythromycin.

Correct AnswerverifiedShow Answer

Virulence factors of S.pyogenes include

Correct AnswerverifiedShow Answer

Mycobacterium tuberculosis

Correct AnswerverifiedShow Answer

The most common causative agent of otitis media is

Correct AnswerverifiedShow Answer

Which of the following is not a virulence factor of Bordetella pertussis?

Correct AnswerverifiedShow Answer

When the centers of tubercles break down into _____ lesions,they gradually heal by calcification that replaces normal lung tissue.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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E

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A

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True

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