Question 1

Which of the following etiologic agents results in the formation of abscesses?

Accepted Answer

A)  Streptococcus 
B)  Coccidioides 
C)  Mycoplasma 
D)  Blastomyces 
E)  Staphylococcus 
A)  Streptococcus 
B)  Coccidioides 
C)  Mycoplasma 
D)  Blastomyces 
E)  Staphylococcus D

Question 2

Which of the following is mismatched?

Accepted Answer

A)  Mycobacterium - acid- fast rod 
B)  Haemophilus - gram- negative rod 
C)  Mycoplasma - gram- positive pleomorphic rod 
D)  Bordetella - gram- negative pleomorphic rod 
E)  Corynebacterium - gram- positive rod 
A)  Mycobacterium - acid- fast rod 
B)  Haemophilus - gram- negative rod 
C)  Mycoplasma - gram- positive pleomorphic rod 
D)  Bordetella - gram- negative pleomorphic rod 
E)  Corynebacterium - gram- positive rod C

Question 3

A patient who presents with red throat and tonsils can be diagnosed as having

Accepted Answer

A)  scarlet fever. 
B)  diphtheria. 
C)  the common cold. 
D)  streptococcal pharyngitis. 
E)  The answer cannot be determined based on the information provided. 
A)  scarlet fever. 
B)  diphtheria. 
C)  the common cold. 
D)  streptococcal pharyngitis. 
E)  The answer cannot be determined based on the information provided. E

Question 4

The symptoms of diphtheria are due to an exotoxin that blocks proteins synthesis in host cells.

Accepted Answer

A) True 
 B)False

Question 5

All of the following can lead to a positive tuberculin skin test EXCEPT

Accepted Answer

A)  vaccination. 
B)  immunity to tuberculosis. 
C)  previous tuberculosis infection. 
D)  current tuberculosis infection. 
E)  being near someone with tuberculosis. 
A)  vaccination. 
B)  immunity to tuberculosis. 
C)  previous tuberculosis infection. 
D)  current tuberculosis infection. 
E)  being near someone with tuberculosis.

Question 6

The patient is suffocating because of the accumulation of dead tissue and fibrin in her throat. What is the etiology of the symptoms?

Accepted Answer

A)  Bordetella 
B)  Corynebacterium 
C)  Haemophilus 
D)  Mycobacterium 
E)  The answer cannot be determined based on the information provided. 
A)  Bordetella 
B)  Corynebacterium 
C)  Haemophilus 
D)  Mycobacterium 
E)  The answer cannot be determined based on the information provided.

Question 7

Which of the following does NOT cause otitis media?

Accepted Answer

A)  Coxiella burnetii 
B)  Moraxella catarrhalis 
C)  Streptococcus pneumoniae 
D)  Haemophilus influenzae 
E)  Streptococcus pyogenes 
A)  Coxiella burnetii 
B)  Moraxella catarrhalis 
C)  Streptococcus pneumoniae 
D)  Haemophilus influenzae 
E)  Streptococcus pyogenes

Question 8

Which of the following diseases is NOT correctly matched to its reservoir?

Accepted Answer

A)  histoplasmosis - soil 
B)  psittacosis - parakeets 
C)  coccidioidomycosis - air 
D)  tuberculosis - cattle 
E)  pneumocystis - humans 
A)  histoplasmosis - soil 
B)  psittacosis - parakeets 
C)  coccidioidomycosis - air 
D)  tuberculosis - cattle 
E)  pneumocystis - humans

Question 9

All of the following are classified as fungi EXCEPT

Accepted Answer

A)  Mycobacterium. 
B)  Pneumocystis. 
C)  Histoplasma. 
D)  Coccidioides. 
E)  Blastomyces. 
A)  Mycobacterium. 
B)  Pneumocystis. 
C)  Histoplasma. 
D)  Coccidioides. 
E)  Blastomyces.

Question 10

Which of the following causes opportunistic infections in AIDS patients?

Accepted Answer

A)  Aspergillus 
B)  Rhizopus 
C)  Mucor 
D)  Pneumocystis 
E)  All of the answers are correct. 
A)  Aspergillus 
B)  Rhizopus 
C)  Mucor 
D)  Pneumocystis 
E)  All of the answers are correct.

Question 11

The patient has a sore throat. What is the etiology of the symptoms?

Accepted Answer

A)  Rhinovirus 
B)  Corynebacterium 
C)  Streptococcus 
D)  Bordetella 
E)  The answer cannot be determined based on the information provided. 
A)  Rhinovirus 
B)  Corynebacterium 
C)  Streptococcus 
D)  Bordetella 
E)  The answer cannot be determined based on the information provided.

Question 12

Which of the following statements about mycoplasmal pneumonia is TRUE?

Accepted Answer

A)  Treatment is tetracyclines. 
B)  Annual vaccination can prevent infection. 
C)  The symptoms resemble pneumococcal pneumonia. 
D)  The causative agent is a virus. 
E)  The causative agent cannot be cultured. 
A)  Treatment is tetracyclines. 
B)  Annual vaccination can prevent infection. 
C)  The symptoms resemble pneumococcal pneumonia. 
D)  The causative agent is a virus. 
E)  The causative agent cannot be cultured.

Question 13

Which of the following is NOT an intracellular parasite?

Accepted Answer

A)  RSV 
B)  Coccidioides 
C)  Influenzavirus 
D)  Coxiella 
E)  Chlamydophila 
A)  RSV 
B)  Coccidioides 
C)  Influenzavirus 
D)  Coxiella 
E)  Chlamydophila

Question 14

Which one of the following produces the most potent exotoxin?

Accepted Answer

A)  Streptococcus pneumoniae 
B)  Mycobacterium tuberculosis 
C)  Bordetella pertussis 
D)  Streptococcus pyogenes 
E)  Corynebacterium diphtheriae 
A)  Streptococcus pneumoniae 
B)  Mycobacterium tuberculosis 
C)  Bordetella pertussis 
D)  Streptococcus pyogenes 
E)  Corynebacterium diphtheriae

Question 15

Inhalation of arthroconidia is responsible for infection by which of the following organisms?

Accepted Answer

A)  Chlamydophila 
B)  Mycoplasma 
C)  Blastomyces 
D)  Coccidioides 
E)  Streptococcus 
A)  Chlamydophila 
B)  Mycoplasma 
C)  Blastomyces 
D)  Coccidioides 
E)  Streptococcus

Question 16

Microscopic examination of a lung biopsy shows spherules. What is the etiology of the symptoms?

Accepted Answer

A)  Mycobacterium 
B)  Blastomyces 
C)  Pneumocystis 
D)  Coccidioides 
E)  Histoplasma 
A)  Mycobacterium 
B)  Blastomyces 
C)  Pneumocystis 
D)  Coccidioides 
E)  Histoplasma

Question 17

A positive tuberculosis skin test indicates that the patient has active tuberculosis.

Accepted Answer

A) True 
 B)False

Question 18

It is common for a normal, healthy individual to carry potentially pathogenic organisms in their upper respiratory tract.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following is NOT a typical symptom of influenza?

Accepted Answer

A)  headache 
B)  muscle aches 
C)  fever 
D)  diarrhea 
E)  chills 
A)  headache 
B)  muscle aches 
C)  fever 
D)  diarrhea 
E)  chills

Question 20

Infections with Legionella pneumophila are usually transmitted via aerosols from contaminated air conditioning systems, showers, and humidifiers.

Accepted Answer

A) True 
 B)False

Exam 24: Microbial Diseases of the Respiratory System

Which of the following etiologic agents results in the formation of abscesses?

Which of the following is mismatched?

A patient who presents with red throat and tonsils can be diagnosed as having

The symptoms of diphtheria are due to an exotoxin that blocks proteins synthesis in host cells.

All of the following can lead to a positive tuberculin skin test EXCEPT

The patient is suffocating because of the accumulation of dead tissue and fibrin in her throat. What is the etiology of the symptoms?

Which of the following does NOT cause otitis media?

Which of the following diseases is NOT correctly matched to its reservoir?

All of the following are classified as fungi EXCEPT

Which of the following causes opportunistic infections in AIDS patients?

The patient has a sore throat. What is the etiology of the symptoms?

Which of the following statements about mycoplasmal pneumonia is TRUE?

Which of the following is NOT an intracellular parasite?

Which one of the following produces the most potent exotoxin?

Inhalation of arthroconidia is responsible for infection by which of the following organisms?

Microscopic examination of a lung biopsy shows spherules. What is the etiology of the symptoms?

A positive tuberculosis skin test indicates that the patient has active tuberculosis.

It is common for a normal, healthy individual to carry potentially pathogenic organisms in their upper respiratory tract.

Which of the following is NOT a typical symptom of influenza?

Infections with Legionella pneumophila are usually transmitted via aerosols from contaminated air conditioning systems, showers, and humidifiers.

The Microbial World and You

Chemical Principles

Observing Microorganisms Through a Microscope

Functional Anatomy of Prokaryotic and Eukaryotic Cells

Microbial Metabolism

Microbial Growth

The Control of Microbial Growth

Microbial Genetics

Biotechnology and Recombinant Dna

Classification of Microorganisms

The Prokaryotes: Domains Bacteria and Archaea

The Eukaryotes: Fungi, Algae, Protozoa, and Helminths

Viruses, Viroids, and Prions

Principles of Disease and Epidemiology

Microbial Mechanisms of Pathogenicity

Innate Immunity: Nonspecific Defenses of the Host

Adaptive Immunity: Specific Defenses of the Host

Practical Applications of Immunology

Disorders Associated With the Immune System

Antimicrobial Drugs

Microbial Diseases of the Skin and Eyes

Microbial Diseases of the Nervous System

Microbial Diseases of the Cardiovascular and Lymphatic Systems

Microbial Diseases of the Digestive System

Microbial Diseases of the Urinary and Reproductive Systems

Environmental Microbiology

Applied and Industrial Microbiology

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