A threshing floor in Santorini in Greece. Russian women using a hand powered winnowing machine in a barn. Note the board across the doorway to prevent grain from spilling out of the barn, this is the origin of the term threshold.
Psoriasis is not contagious. It is not something you can âcatchâ or that others can catch from you. Psoriasis lesions are not infectious and cannot be passed from person to person.It is okay to have contact with people who have psoriasis.t is not something you can âcatchâ or that others can catch from you. Psoriasis lesions are not infectious and cannot be passed from person to person. It is okay to have contact with people who have psoriasis.
Psoriasis Quiz: Test Your Medical IQ. Q:Psoriasis causes the top layer of skin cells to become inflamed and grow too quickly and flake off. Q:Psoriasis causes the top layer of skin cells to become inflamed and grow too quickly and flake off. The correct answer is: â¢ True. Explanation: Psoriasis, a chronic skin condition, causes skin cells to grow too quickly. Symptoms include thick white, silvery, or red patches of skin, inflammation, and itchy, flaking skin. Q:Symptoms of psoriasis are known to come and go. Q:Symptoms of psoriasis are known to come and go.