Question 1

Inhalation of respiratory secretions is involved in the transmission of the following except

Accepted Answer

A)  influenza.
B)  rhinitis.
C)  legionella.
D)  diphtheria.
E)  All involve respiratory secretions.F) B) and C)
G) B) and E)

Question 2

Which of the following is not true of influenza?

Accepted Answer

A)  It has glycoprotein spikes of hemagglutinin (H) and neuraminidase (N) .
B)  Antigenic drift which changes the antigens to reduce immune recognition.
C)  Antigenic shift causes changes in the RNA strands.
D)  Symptoms are very similar to the common cold.
E)  The virus can infect both humans and swine.F) B) and D)
G) None of the above

Question 3

A paroxysmal cough is associated with Legionnaires' disease.

Accepted Answer

A) True 
 B)False

Question 4

Medical professionals actually observe MDRTB patients take their medicine through a program called DOT.

Accepted Answer

A) True 
 B)False

Question 5

Influenza is predominantly transmitted by the fecal-oral route.

Accepted Answer

A) True 
 B)False

Question 6

Drug-resistant strains of Streptococcus pneumoniae are now treated with

Accepted Answer

A)  penicillin v.
B)  eryrthromycin.
C)  tetracyline.
D)  vancomycin.
E)  cefotaxime.F) None of the above
G) C) and D)

Question 7

Streptococcus pneumoniae is

Accepted Answer

A)  alpha-hemolytic on blood agar.
B)  often referred to as pneumococcus.
C)  a gram-positive diplococcus with a capsule.
D)  most likely to cause infection in older adults.
E)  All of the choices are correct.F) A) and B)
G) B) and E)

Question 8

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) A) and E)
G) All of the above

Question 9

Virulence factors of Streptococcus 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) None of the above E

Question 10

This opportunist is the most frequent cause of life-threatening pneumonia in AIDS patients.

Accepted Answer

A)  Cryptococcus neoformans
B)  Candida albicans
C)  Malassezia furfur
D)  Pneumocystis (carinii) jiroveci
E)  None of the choices is correct.F) B) and D)
G) A) and B)

Question 11

Rheumatic fever is caused by

Accepted Answer

A)  a primary streptococcal infection with Streptococcus pyogenes.
B)  a combination of infection with Streptococcus pyogenes and the rheumatic fever virus.
C)  a secondary streptococcal infection with a different type of streptococcus.
D)  an immunological cross-reaction in which anti-streptococcal antibodies target the heart.
E)  both a primary viral infection and a secondary streptococcal infection.F) All of the above
G) A) and B)

Question 12

Which of the following is not part of the upper respiratory tract?

Accepted Answer

A)  mouth
B)  nasal cavity
C)  trachea
D)  pharynx
E)  larynxF) C) and D)
G) A) and C)

Question 13

The major virulence factor of Corynebacterium diphtheriae that causes serious systemic effects is

Accepted Answer

A)  its capsules.
B)  metachromatic granules.
C)  an exotoxin.
D)  endospores.
E)  an endotoxin.F) A) and E)
G) A) and B)

Question 14

Extrapulmonary TB can involve the

Accepted Answer

A)  kidneys.
B)  long bones.
C)  spine.
D)  brain.
E)  All of the choices are correct.F) All of the above
G) D) and E)

Question 15

Tuberculin skin testing

Accepted Answer

A)  injects PPD intradermally.
B)  uses a purified protein filtrate of Mycobacterium tuberculosis.
C)  will be positive if the person has had previous exposure to TB.
D)  will be positive if the person has active TB.
E)  All of the choices are correct.F) B) and E)
G) A) and B) E

Question 16

What features of the respiratory system protect us from infection?

Accepted Answer

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

Question 17

Normal biota of the upper respiratory tract include

Accepted Answer

A)  Corynebacterium.
B)  Candida albicans.
C)  Haemophilus influenzae.
D)  Staphlococcus aureus.
E)  All of the choices are correct.F) A) and D)
G) C) and D)

Question 18

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) C) and D)
G) A) and B)

Question 19

Which of the following is not true of whooping cough?

Accepted Answer

A)  secondary infections can occur during the convalescent phase
B)  caused by a small gram-positive rod
C)  incubation period is 3-21 days
D)  coldlike symptoms are common for the paroxysmal stage
E)  an uncontrollable cough occurs during the paroxysmal stageF) A) and D)
G) A) and B)

Question 20

Pertussis outbreaks still occur in the United States.

Accepted Answer

A) True 
 B)False  True

Exam 19: Infectious Diseases Affecting the Respiratory Systems

Inhalation of respiratory secretions is involved in the transmission of the following except

Correct AnswerverifiedShow Answer

Which of the following is not true of influenza?

Correct AnswerverifiedShow Answer

A paroxysmal cough is associated with Legionnaires' disease.

Correct AnswerverifiedShow Answer

Medical professionals actually observe MDRTB patients take their medicine through a program called DOT.

Correct AnswerverifiedShow Answer

Influenza is predominantly transmitted by the fecal-oral route.

Correct AnswerverifiedShow Answer

Drug-resistant strains of Streptococcus pneumoniae are now treated with

Correct AnswerverifiedShow Answer

Streptococcus pneumoniae is

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

Virulence factors of Streptococcus pyogenes include

Correct AnswerverifiedE

This opportunist is the most frequent cause of life-threatening pneumonia in AIDS patients.

Correct AnswerverifiedShow Answer

Rheumatic fever is caused by

Correct AnswerverifiedShow Answer

Which of the following is not part of the upper respiratory tract?

Correct AnswerverifiedShow Answer

The major virulence factor of Corynebacterium diphtheriae that causes serious systemic effects is

Correct AnswerverifiedShow Answer

Extrapulmonary TB can involve the

Correct AnswerverifiedShow Answer

Tuberculin skin testing

Correct AnswerverifiedE

What features of the respiratory system protect us from infection?

Correct AnswerverifiedShow Answer

Normal biota of the upper respiratory tract include

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following is not true of whooping cough?

Correct AnswerverifiedShow Answer

Pertussis outbreaks still occur in the United States.

Correct AnswerverifiedTrue

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E

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E

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True