Dear staff: This is Yu.zhou. May anybody who is good at Pathophysiology help me

Question

Dear staff:

This is Yu.zhou. May anybody who is good at Pathophysiology help me with the question below. Thank you, sincerely.

Systemic sclerosis causes antigen-antibody complexes to be deposited in the dermis. Why would they be deposited here?

A. Exposure to cold causes the target chemical to be released.

B. Allergic reactions to skin lotions are often the trigger for the disease.

C. The skin tissue is more easily invaded than other tissues.

D. The oils in the skin are the targets of this response.

Explanation / Answer

Systemic sclerosis causes antigen-antibody complexes to be deposited in the dermis;

A. Exposure to cold causes the target chemical to be released (As the exposure to cold leads to the production of epinephrine that leads to systemic sclerosis due to excess production of collagen)

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