A 19 -year old man comes to the physician because of a severely itchy, blistering rash on his legs for 2 days. The rash began 1 dayafter he went for a walk in a wooded area and has increased in size since then. Physical exmaintaion shows erythematous plaques with vesicles and bullae over both lower extremities. Which of the following is the most likely caise of the patients condition? (A) Activation of the alternative complement pathway (B) Chemical burn caused by toxic plant resins (C) Deposition of immune complexes in the epidermis (D) Infiltrtion of the skin by lymphocytes and macrophages (E) Local discharge of histamine in response to IgE cross lnking of allergen.
A 19 -year old man comes to the physician because of a severely itchy, blistering rash on his legs for 2 days. The rash began 1 dayafter he went for a walk in a wooded area and has increased in size since then. Physical exmaintaion shows erythematous plaques with vesicles and bullae over both lower extremities. Which of the following is the most likely caise of the patients condition? (A) Activation of the alternative complement pathway (B) Chemical burn caused by toxic plant resins (C) Deposition of immune complexes in the epidermis (D) Infiltrtion of the skin by lymphocytes and macrophages (E) Local discharge of histamine in response to IgE cross lnking of allergen.
Chapter15: The Lymphatic And Immune Systems
Section: Chapter Questions
Problem 1M
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20) A 19 -year old man comes to the physician because of a severely itchy, blistering rash on his legs for 2 days. The rash began 1 dayafter he went for a walk in a wooded area and has increased in size since then. Physical exmaintaion shows erythematous plaques with vesicles and bullae over both lower extremities. Which of the following is the most likely caise of the patients condition?
(A) Activation of the alternative complement pathway
(B) Chemical burn caused by toxic plant resins
(C) Deposition of immune complexes in the epidermis
(D) Infiltrtion of the skin by lymphocytes and macrophages
(E) Local discharge of histamine in response to IgE cross lnking of allergen.
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