Question 1

Which one of the following statements about mycoplasmal pneumonia is TRUE?

Accepted Answer

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

Question 2

In Q fever cases,involvement of which organ/system is responsible for the rare fatalities observed?

Accepted Answer

A) gastrointestinal tract 
B) central nervous system 
C) heart tissue 
D) kidneys/urinary tract 
E) pancreas/endocrine system 
A) gastrointestinal tract 
B) central nervous system 
C) heart tissue 
D) kidneys/urinary tract 
E) pancreas/endocrine system

Question 3

Coccidioides immitis causes Valley fever,a fungal pulmonary disease that is endemic to the Mississippi Valley.

Accepted Answer

A) True 
 B)False

Question 4

A patient has a paroxysmal cough and mucus accumulation.What is the etiology of the symptoms?

Accepted Answer

A) Bordetella 
B) Corynebacterium 
C) Burkholderia 
D) Mycobacterium 
E) Mycoplasma 
A) Bordetella 
B) Corynebacterium 
C) Burkholderia 
D) Mycobacterium 
E) Mycoplasma

Question 5

All of the following are classified as fungi EXCEPT

Accepted Answer

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

Question 6

A patient has fever,difficulty breathing,chest pains,fluid in the alveoli,and a positive tuberculin skin test.Gram-positive cocci are isolated from the sputum.The patient most likely has

Accepted Answer

A) tuberculosis. 
B) influenza. 
C) pneumococcal pneumonia. 
D) mycoplasmal pneumonia. 
E) the common cold. 
A) tuberculosis. 
B) influenza. 
C) pneumococcal pneumonia. 
D) mycoplasmal pneumonia. 
E) the common cold.

Question 7

Which one of the following diseases has a cutaneous form,especially in individuals over 30 years of age?

Accepted Answer

A) coccidioidomycosis 
B) diphtheria 
C) legionellosis 
D) scarlet fever 
E) psittacosis 
A) coccidioidomycosis 
B) diphtheria 
C) legionellosis 
D) scarlet fever 
E) psittacosis

Question 8

The most common causative agent of bacterial pneumonia is Streptococcus pneumoniae.

Accepted Answer

A) True 
 B)False

Question 9

Microscopic examination of a lung biopsy shows thick-walled cysts.What is the etiology of the symptoms?

Accepted Answer

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

Question 10

Which one of the following statements regarding tuberculosis is FALSE?

Accepted Answer

A) Nearly 1/3 of the world's population is infected with tuberculosis. 
B) Nearly 1/3 of the world's population shows symptoms of tuberculosis. 
C) It is responsible for nearly 2 million deaths per year. 
D) At least 1/3 of those who are TB-positive are also HIV-positive. 
E) Treatment requires at least six months of antibiotic therapy. 
A) Nearly 1/3 of the world's population is infected with tuberculosis. 
B) Nearly 1/3 of the world's population shows symptoms of tuberculosis. 
C) It is responsible for nearly 2 million deaths per year. 
D) At least 1/3 of those who are TB-positive are also HIV-positive. 
E) Treatment requires at least six months of antibiotic therapy.

Question 11

Which one of the following does NOT cause otitis media?

Accepted Answer

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

Question 12

All of the following are used as first-line drugs for treating tuberculosis EXCEPT

Accepted Answer

A) ethambutol. 
B) isoniazid. 
C) fluoroquinolones. 
D) rifampin. 
E) pyrazinamide. 
A) ethambutol. 
B) isoniazid. 
C) fluoroquinolones. 
D) rifampin. 
E) pyrazinamide.

Question 13

The best diagnostic method for detection of chlamydial pneumonia is

Accepted Answer

A) direct brightfield light microscopic examination. 
B) PCR detection. 
C) biochemical testing of cultured microbes. 
D) serological testing of the patient's blood. 
E) fluorescent microscopy. 
A) direct brightfield light microscopic examination. 
B) PCR detection. 
C) biochemical testing of cultured microbes. 
D) serological testing of the patient's blood. 
E) fluorescent microscopy.

Question 14

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

Accepted Answer

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

Question 15

Which one of the following produces the most potent exotoxin?

Accepted Answer

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

Question 16

Which one of the following is NOT an intracellular parasite?

Accepted Answer

A) Chlamydophila 
B) Coccidioides 
C) Coxiella 
D) Influenza virus 
E) RSV 
A) Chlamydophila 
B) Coccidioides 
C) Coxiella 
D) Influenza virus 
E) RSV

Question 17

Infection by which one of the following results in the formation of Ghon complexes?

Accepted Answer

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

Question 18

Pneumonia is diagnosed by the presence of fluid (dark shadows in an X-ray image)in the alveoli.Given that pneumonia usually is caused by a microorganism,what causes the fluid accumulation? Name a bacterium,a virus,a fungus,a protozoan,and a helminth that can cause pneumonia.

Accepted Answer

The fluid accumulation in the alveoli in

Question 19

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

Accepted Answer

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

Question 20

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

Accepted Answer

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

Exam 24: Microbial Diseases of the Respiratory System

Which one of the following statements about mycoplasmal pneumonia is TRUE?

In Q fever cases,involvement of which organ/system is responsible for the rare fatalities observed?

Coccidioides immitis causes Valley fever,a fungal pulmonary disease that is endemic to the Mississippi Valley.

A patient has a paroxysmal cough and mucus accumulation.What is the etiology of the symptoms?

All of the following are classified as fungi EXCEPT

A patient has fever,difficulty breathing,chest pains,fluid in the alveoli,and a positive tuberculin skin test.Gram-positive cocci are isolated from the sputum.The patient most likely has

Which one of the following diseases has a cutaneous form,especially in individuals over 30 years of age?

The most common causative agent of bacterial pneumonia is Streptococcus pneumoniae.

Microscopic examination of a lung biopsy shows thick-walled cysts.What is the etiology of the symptoms?

Which one of the following statements regarding tuberculosis is FALSE?

Which one of the following does NOT cause otitis media?

All of the following are used as first-line drugs for treating tuberculosis EXCEPT

The best diagnostic method for detection of chlamydial pneumonia is

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

Which one of the following produces the most potent exotoxin?

Which one of the following is NOT an intracellular parasite?

Infection by which one of the following results in the formation of Ghon complexes?

Pneumonia is diagnosed by the presence of fluid (dark shadows in an X-ray image)in the alveoli.Given that pneumonia usually is caused by a microorganism,what causes the fluid accumulation? Name a bacterium,a virus,a fungus,a protozoan,and a helminth that can cause pneumonia.

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

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

The Microbial World and You

Chemical Principles

Observing Microorganisms Through a Microscope

Functional Anatomy of Prokaryotic and Eukaryotic

Microbial Metabolism

Microbial Growth

The Control of Microbial Growth

Microbial Genetics

Biotechnology and Dna Technology

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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