Oral Path Quiz 3 with Questions and Answers

Oral Path Quiz 3 with Questions and Answers A condition thought to be a hypersensitivity reaction is characterized by skin and mucous membrane lesions. The skin lesions are referred to as target, iris, or bull'seye lesions. The lip and mucosal lesions are more extensive and painful and often appear bloody and crusted. The intraoral lesions are extensive superficial ulcerations. The onset is explosive. On the basis of these clinical features, what condition is suspected? a. Erythema multiforme b. Fixed drug reaction c. Behçet syndrome d. Angioedema ANSWER a) erythema multiforme A prodromal period begins a. 1 to 2 days before the onset of ulcers. b. 1 week before the onset of ulcers. c. the day the ulcers erupt. d. 7 to 10 days before ulcers erupt. ANSWER a) 1 to 2 days before the onset of ulcers An example of natural passive immunity occurs when a. antibodies from a mother pass through the placenta to the developing fetus b. a microorganism causes a disease. c. a person receives a vaccination.