Which of the following statements is TRUE concerning diphtheria?
A) No effective vaccine is available to prevent infection.
B) A diffuse rash is the major sign of diphtheria.
C) The signs and symptoms of the disease are directly caused by a bacterial toxin.
D) The pseudomembrane is easily removed by surgery.
E) A microscopic exam of bacterial samples is sufficient for conclusive diagnosis.
C
Bloom's Taxonomy: Comprehension
Section: Bacterial Diseases of the Upper Respiratory System, Sinuses, and Ears
Learning Outcome: 22.7
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