Chapter 24 Quiz

Front 1

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

Select one:

a. Mycobacterium

b. Bordetella

c. Corynebacterium

d. Haemophilus

e. Can't tell

Back 1

can't tell

Front 2

Which of the following statements about otitis media is false?

Select one:

a. It is a complication of tonsillitis.

b. It is caused by rhinovirus.

c. It is caused by Streptococcus pyogenes.

d. It is transmitted by swimming pool water.

e. It is caused by Staphylococcus aureus.

Back 2

It is caused by rhinovirus.

Front 3

Which of the following is an opportunistic pathogen?

Select one:

a. Histoplasma

b. Rhinovirus

c. Mycoplasma

d. Pneumocystis

e. Legionella

Back 3

Pneumocystis

Front 4

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

Select one:

a. Coccidioidomycosis

b. Diphtheria

c. Psittacosis

d. Legionellosis

e. Scarlet fever

Back 4

Diphtheria

Front 5

Which one of the following causes a disease characterized by a red rash?

Select one:

a. RSV

b. Blastomyces

c. Streptococcus

d. Coccidioides

e. Mycoplasma

Back 5

Streptococcus

Front 6

A healthy carrier state exists for

Select one:

a. Streptococcus pneumoniae.

b. Corynebacterium diphtheriae.

c. Haemophilus influenzae.

d. Beta-hemolytic streptococci.

e. All of the above.

Back 6

All of the above.

Front 7

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

Select one:

a. Mycoplasma

b. Corynebacterium

c. Klebsiella

d. Mycobacterium

e. Bordetella

Back 7

Bordetella

Front 8

Which one of the following causes a disease characterized by the catarrhal, paroxysmal, and convalescent stages?

Select one:

a. Mycobacterium tuberculosis

b. Bordetella pertussis

c. Respiratory syncytial virus

d. Streptococcus pyogenes

e. Corynebacterium diphtheriae

Back 8

Bordetella pertussis

Front 9

Which of the following respiratory infections can be contracted by ingestion?

Select one:

a. Tuberculosis

b. Mycoplasmal pneumonia

c. Diphtheria

d. Streptococcal pharyngitis

e. Haemophilus pneumonia

Back 9

Tuberculosis

Front 10

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

Select one:

a. Streptococcus

b. Coccidioides

c. Mycoplasma

d. Chlamydophila

e. Blastomyces

Back 10

Coccidioides

Front 11

You are trying to identify the cause of a patient's middle ear infection. After 24 hours, there is no growth on blood agar incubated aerobically at 37°C. Your next step is to try again,

Select one:

a. Incubating at 45°C.

b. Incubating at 25°C.

c. Then give up.

d. Using nutrient agar.

e. Incubating anaerobically.

Back 11

Incubating anaerobically.

Front 12

Which one of the following is an irregular, gram-positive rod?

Select one:

a. Bordetella pertussis

b. Streptococcus pyogenes

c. Pneumocystis jirovecii

d. Myobacterium tuberculosis

e. Corynebacterium diphtheriae

Back 12

Corynebacterium diphtheriae

Front 13

Legionella is transmitted by

Select one:

a. Airborne transmission.

b. Person-to-person contact.

c. Vectors.

d. Fomites.

e. Foodborne transmission.

Back 13

Airborne transmission.

Front 14

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

Select one:

a. Scarlet fever.

b. Streptococcal pharyngitis.

c. Common cold.

d. Diphtheria.

e. There is insufficient information.

Back 14

There is insufficient information.

Front 15

Which of the following is most susceptible to destruction by phagocytes?

Select one:

a. Streptococcus pneumoniae

b. Chlamydophila psittaci

c. Influenza virus

d. Streptococcus pyogenes

e. Histoplasma capsulatum

Back 15

Streptococcus pyogenes

Front 16

Mycoplasmal pneumonia differs from viral pneumonia in that

Select one:

a. Mycoplasmal pneumonia is treated with tetracyclines.

b. Mycoplasma can't be cultured.

c. Viral pneumonia is treated with tetracyclines.

d. Mycoplasmal pneumonia doesn't have any known etiologic agent.

e. The symptoms are distinctly different.

Back 16

Mycoplasmal pneumonia is treated with tetracyclines.

Front 17

The patient is suffocating because of an inflamed epiglottis. What is the etiology?

Select one:

a. Haemophilus

b. Mycobacterium

c. Bordetella

d. Corynebacterium

e. Can't tell

Back 17

Haemophilus

Front 18

Which of the following causes an infection of the respiratory system that is transmitted by the gastrointestinal route?

Select one:

a. Streptococcus pyogenes

b. Haemophilus influenzae

c. Mycobacterium tuberculosis

d. Streptococcus pneumoniae

e. Mycoplasma pneumoniae

Back 18

Mycobacterium tuberculosis

Front 19

Which one of the following produces the most potent exotoxin?

Select one:

a. Bordetella pertussis

b. Streptococcus pyogenes

c. Mycobacterium tuberculosis

d. Corynebacterium diphtheriae

e. Streptococcus pneumoniae

Back 19

Corynebacterium diphtheriae

Front 20

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

Select one:

a. Streptococcus

b. Mycoplasma

c. Staphylococcus

d. Coccidioides immitis

e. Blastomyces

Back 20

Blastomyces

Front 21

A patient has pneumonia. Gram-negative rods are cultured on nutrient agar from a sputum sample. The etiology is

Select one:

a. Burkholderia pseudomallei.

b. Haemophilus influenzae.

c. Legionella pneumophila.

d. Chlamydophila psittaci.

e. Streptococcus pneumonia.

Back 21

Burkholderia pseudomallei.

Front 22

Which of the following causes opportunistic infections in AIDS patients?

Select one:

a. Aspergillus

b. Mucor

c. Pneumocystis

d. Rhizopus

e. All of the above

Back 22

All of the above

Front 23

Which of the following microorganisms causes symptoms most like tuberculosis?

Select one:

a. Coccidioides

b. Influenzavirus

c. Legionella

d. Histoplasma

e. Mycoplasma

Back 23

Histoplasma

Front 24

The recurrence of influenza epidemics is due to

Select one:

a. HA spikes.

b. Lack of naturally acquired active immunity.

c. Lack of antiviral drugs.

d. Antigenic shift.

e. The Guillain-Barré syndrome.

Back 24

Antigenic shift.

Front 25

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

Select one:

a. Bordetella pertussis

b. Corynebacterium diphtheriae

c. Blastomyces dermatidis

d. Streptococcus pyogenes

e. Mycobacterium tuberculosis

Back 25

Mycobacterium tuberculosis

Front 26

Infection by which of the following begins in lungs and spreads to skin?

Select one:

a. Blastomyces

b. Histoplasma

c. Coccidioides

d. Pneumocystis

e. Mycobacterium

Back 26

Blastomyces

Front 27

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

Select one:

a. Influenza.

b. Mycoplasmal pneumonia.

c. Pneumococcal pneumonia.

d. Tuberculosis.

e. Common cold.

Back 27

Pneumococcal pneumonia.

Front 28

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

Select one:

a. Bordetella

b. Mycobacterium

c. Haemophilus

d. Corynebacterium

e. Can't tell

Back 28

Corynebacterium

Front 29

Which one of the following produces small "fried-egg" colonies on medium containing horse serum and yeast extract?

Select one:

a. Mycobacterium

b. Legionella

c. Chlamydophila

d. Mycoplasma

e. Streptococcus

Back 29

Mycoplasma

Front 30

Infection by which of the following is often confused with viral pneumonia?

Select one:

a. Mycoplasma

b. Streptococcus

c. Blastomyces

d. Coccidioides

e. None of the above

Back 30

Mycoplasma