Question 1

A pneumonia caused by Gram-positive diplococci is known as

Accepted Answer

A)   pneumococcal pneumonia.
B)   primary atypical pneumonia.
C)   pneumocystic pneumonia.
D)   pneumonic plague.
E)   pleurisy.

Question 2

Even though mycoplasmas pass through filters that normally trap bacteria, they are known to be bacteria, not viruses, because they

Accepted Answer

A)   synthesize peptidoglycan.
B)   contain both DNA and RNA.
C)   synthesize peptidoglycan and divide by snapping division.
D)   contain both DNA and RNA and divide by binary fission.
E)   divide by binary fission.

Question 3

Diphtheria toxin kills cells by interfering with which of the following processes?

Accepted Answer

A)   adenylate cyclase activity
B)   complement function
C)   nucleic acid synthesis
D)   protein synthesis
E)   cytoplasmic membrane function

Question 4

Exposure to large accumulations of bird dropping may result in which of the following mycoses?

Accepted Answer

A)   coccidioidomycosis
B)   blastomycosis
C)   histoplasmosis
D)   valley fever
E)   Pneumocystis pneumonia

Question 5

Specimens suspected to contain Bordetella pertussis must be inoculated onto appropriate media at the patientʹs bedside.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following statements is TRUE concerning diphtheria?

Accepted Answer

A)   The pseudomembrane is easily removed by surgery.
B)   The signs and symptoms of the disease are directly caused by a bacterial toxin.
C)   A diffuse rash is the major sign of diphtheria.
D)   A microscopic exam of bacterial samples is sufficient for conclusive diagnosis.
E)   No effective vaccine is available to prevent infection.

Question 7

Microscopic evaluation of suitable specimens is a useful way of diagnosing histoplasmosis.

Accepted Answer

A) True 
 B)False

Question 8

Pathogenic streptococci of the upper respiratory tract (such as Streptococcus pyogenes)  are distinguished from non-pathogenic streptococci by

Accepted Answer

A)   alpha hemolytic activity.
B)   the presence of a lysogenic phage.
C)   beta hemolytic activity.
D)   the absence of a capsule.
E)   no hemolytic activity.

Question 9

Inhalation anthrax is frequently fatal even with antibiotic therapy because

Accepted Answer

A)   the dying cells release lipid A, triggering a severe inflammatory response.
B)   it is transmitted by endospores.
C)   the anthrax toxin triggers severe edema of the lungs.
D)   Bacillus anthracis is resistant to a wide range of antibiotics.
E)   the bacteria are enclosed within a biofilm that antibiotics cannot penetrate.

Question 10

Cold viruses are prevented from infecting most areas of the body because these areas are either too warm or too acidic.

Accepted Answer

A) True 
 B)False

Question 11

Elongation factor, a protein required for eukaryotic (transcription/translation/expression), is the cellular target of the toxin produced by Corynebacterium diphtheriae.

Accepted Answer

The answer of Elongation factor, a protein required for eukaryotic...

Question 12

A type of pneumonia in which the alveoli and bronchioles become filled with pus is (emphysema/empyema/pleurisy).

Accepted Answer

The answer of A type of pneumonia in which the...

Question 13

Compare and contrast pneumococcal and mycoplasmal pneumonia.

Accepted Answer

Pneumonia describes a general pathogenic...

Question 14

Macrophages effectively phagocytize and kill Mycobacterium tuberculosis.

Accepted Answer

A) True 
 B)False

Question 15

ʺSyncytiumʺ is a term used to describe a mass of necrotic tissue.

Accepted Answer

A) True 
 B)False  False

Question 16

Which of the following statements is TRUE regarding the common cold?

Accepted Answer

A)   Only coronaviruses cause the common cold.
B)   Cold viruses reproduce most effectively at 37°C.
C)   Cold viruses are frequently spread by contaminated fomites.
D)   The immune system cannot develop an effective response to cold viruses.
E)   The viruses can infect both the upper and lower respiratory tracts.

Question 17

Inflammation of the trachea and bronchi, commonly called (croup/pertussis/pneumonia), is frequently caused by paramyxoviruses.

Accepted Answer

The answer of Inflammation of the trachea and bronchi, commonly...

Question 18

A young man who works on a ranch and lives in the log bunkhouse experiences sudden fever with muscle aches. A few days later he begins to cough and have difficulty breathing, and goes to an urgent care clinic. A blood sample reveals a high leukocyte count and low platelets. A Gram stain of a sputum sample shows only a few small bacteria present. Which of the following is the most likely infecting agent?

Accepted Answer

A)   Hantavirus
B)   Mycoplasma pneumonia
C)   Histoplasma capsulatum
D)   Bacillus anthracis
E)   influenza A

Question 19

Limiting exposure to rodents and their waste materials is an important means of preventing

Accepted Answer

A)   bronchiolitis.
B)   coccidioidomycosis.
C)   histoplasmosis.
D)   Hantavirus pulmonary syndrome.
E)   inhalational anthrax.

Question 20

Which of the following is a common cause of otitis media?

Accepted Answer

A)   Mycobacterium tuberculosis
B)   Chlamydophila pneumoniae
C)   Streptococcus pneumoniae
D)   Pneumocystis jiroveci
E)   Blastomyces dermatitidis C

Exam 22: Microbial Diseases of the Respiratory System

A pneumonia caused by Gram-positive diplococci is known as

Correct Answer
verified

Even though mycoplasmas pass through filters that normally trap bacteria, they are known to be bacteria, not viruses, because they

Correct Answer
verified

Diphtheria toxin kills cells by interfering with which of the following processes?

Correct Answer
verified

Exposure to large accumulations of bird dropping may result in which of the following mycoses?

Correct Answer
verified

Specimens suspected to contain Bordetella pertussis must be inoculated onto appropriate media at the patientʹs bedside.

Correct Answer
verified

Which of the following statements is TRUE concerning diphtheria?

Correct Answer
verified

Microscopic evaluation of suitable specimens is a useful way of diagnosing histoplasmosis.

Correct Answer
verified

Pathogenic streptococci of the upper respiratory tract (such as Streptococcus pyogenes) are distinguished from non-pathogenic streptococci by

Correct Answer
verified

Inhalation anthrax is frequently fatal even with antibiotic therapy because

Correct Answer
verified

Cold viruses are prevented from infecting most areas of the body because these areas are either too warm or too acidic.

Correct Answer
verified

Elongation factor, a protein required for eukaryotic (transcription/translation/expression), is the cellular target of the toxin produced by Corynebacterium diphtheriae.

Correct Answer
verified

A type of pneumonia in which the alveoli and bronchioles become filled with pus is (emphysema/empyema/pleurisy).

Correct Answer
verified

Compare and contrast pneumococcal and mycoplasmal pneumonia.

Correct Answer
verified
Pneumonia describes a general pathogenic...
View Answer

Macrophages effectively phagocytize and kill Mycobacterium tuberculosis.

Correct Answer
verified

ʺSyncytiumʺ is a term used to describe a mass of necrotic tissue.

Correct Answer
verified
False

Which of the following statements is TRUE regarding the common cold?

Correct Answer
verified

Inflammation of the trachea and bronchi, commonly called (croup/pertussis/pneumonia), is frequently caused by paramyxoviruses.

Correct Answer
verified

Correct Answer
verified
A

Limiting exposure to rodents and their waste materials is an important means of preventing

Correct Answer
verified

Which of the following is a common cause of otitis media?

Correct Answer
verified
C

Exam 22: Microbial Diseases of the Respiratory System

A pneumonia caused by Gram-positive diplococci is known as

Correct AnswerverifiedShow Answer

Even though mycoplasmas pass through filters that normally trap bacteria, they are known to be bacteria, not viruses, because they

Correct AnswerverifiedShow Answer

Diphtheria toxin kills cells by interfering with which of the following processes?

Correct AnswerverifiedShow Answer

Exposure to large accumulations of bird dropping may result in which of the following mycoses?

Correct AnswerverifiedShow Answer

Specimens suspected to contain Bordetella pertussis must be inoculated onto appropriate media at the patientʹs bedside.

Correct AnswerverifiedShow Answer

Which of the following statements is TRUE concerning diphtheria?

Correct AnswerverifiedShow Answer

Microscopic evaluation of suitable specimens is a useful way of diagnosing histoplasmosis.

Correct AnswerverifiedShow Answer

Pathogenic streptococci of the upper respiratory tract (such as Streptococcus pyogenes) are distinguished from non-pathogenic streptococci by

Correct AnswerverifiedShow Answer

Inhalation anthrax is frequently fatal even with antibiotic therapy because

Correct AnswerverifiedShow Answer

Cold viruses are prevented from infecting most areas of the body because these areas are either too warm or too acidic.

Correct AnswerverifiedShow Answer

Elongation factor, a protein required for eukaryotic (transcription/translation/expression), is the cellular target of the toxin produced by Corynebacterium diphtheriae.

Correct AnswerverifiedShow Answer

A type of pneumonia in which the alveoli and bronchioles become filled with pus is (emphysema/empyema/pleurisy).

Correct AnswerverifiedShow Answer

Compare and contrast pneumococcal and mycoplasmal pneumonia.

Correct AnswerverifiedPneumonia describes a general pathogenic...View AnswerShow Answer

Macrophages effectively phagocytize and kill Mycobacterium tuberculosis.

Correct AnswerverifiedShow Answer

ʺSyncytiumʺ is a term used to describe a mass of necrotic tissue.

Correct AnswerverifiedFalse

Which of the following statements is TRUE regarding the common cold?

Correct AnswerverifiedShow Answer

Inflammation of the trachea and bronchi, commonly called (croup/pertussis/pneumonia), is frequently caused by paramyxoviruses.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedA

Limiting exposure to rodents and their waste materials is an important means of preventing

Correct AnswerverifiedShow Answer

Which of the following is a common cause of otitis media?

Correct AnswerverifiedC

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Pneumonia describes a general pathogenic...
View Answer

Correct Answer
verified

Correct Answer
verified
False

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
A

Correct Answer
verified

Correct Answer
verified
C