A common chronic skin disorder characterized by circumscribed red patches that are covered by thick, dry, silvery scales is called:
A) ichthyosis.
B) pediculosis.
C) psoriasis.
D) xerosis.

Question

Quizplus · Accepted Answer

The description matches the symptoms of psoriasis, a chronic skin disorder that causes skin cells to grow too quickly, creating thick, dry, silvery scales on red patches. Ichthyosis is a genetic disorder that causes dry, scaly skin. Pediculosis is a parasitic infestation by lice. Xerosis is dry skin caused by a lack of moisture.

A Common Chronic Skin Disorder Characterized by Circumscribed Red Patches