Microbiology Ch. 24/25

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

• Haemophilus

• Mycobacterium

• Can't tell

• Corynebacterium

• Bordetella

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

• Histoplasma

• Mycobacterium

• Pneumocystis

• Coccidioides

• Blastomyces

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

• Klebsiella

• Bordetella

• Corynebacterium

• Mycoplasma

• Mycobacterium

Which of the following does NOT confirm a diagnosis of strep throat?

• Symptoms

• Hemolytic reaction

• Bacitracin inhibition

• Serological tests

• Gram stain

Which of the following diseases is NOT correctly matched to a virulence factor?

• Diphtheria - exotoxin

• Scarlet fever - exotoxin

• Pneumococcal pneumonia - exotoxin

• Haemophilus pneumonia - endotoxin

• Whooping cough - endotoxin

Which of the following is an opportunistic pathogen?

• Legionella

• Pneumocystis

• Histoplasma

• Rhinovirus

• Mycoplasma

Which of the following CANNOT lead to a positive tuberculin skin test?

• Previous tuberculosis infection

• Being near someone with tuberculosis

• Immunity to tuberculosis

• Vaccination

• Current tuberculosis infection

Which one of the following produces the most potent exotoxin?

• Mycobacterium tuberculosis

• Bordetella pertussis

• Corynebacterium diphtheriae

• Streptococcus pyogenes

• Streptococcus pneumoniae

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

• Staphylococcus

• Streptococcus

• Coccidioides immitis

• Mycoplasma

• Blastomyces

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

• Legionellosis

• Diphtheria

• Scarlet fever

• Psittacosis

• Coccidioidomycosis