A 20 year old garden presents to his family for treatment of what he described as poison ivy. The patient hand and arm appear red and are covered with oozing blisters and crusts. Which of the following best describes the pathogenesis of this skin lesions?

Cytotoxic antibody production

Delayed-type hypersensitivity

Deposition of antigulten antibodies

Deposition of circulating immune complexes

Ig-mediated mast cell degranulation