10 Questions
Which skin condition is characterized by a solid, palpable area greater than 20mm?
Nodule
What is the term for an encapsulated cavity or sac lined by true epithelium, squamous lined, and filled with keratin?
Cyst
What condition results in a discontinuity of the skin causing complete loss of epidermis and possible loss of dermis?
Ulceration
Which skin condition is a dry, plate-like excrescence usually due to excess stratum corneum?
Scale
What results from the extravasation of RBCs into the skin or mucous membranes?
Purpura
What term is used for visible persistent dilation of small, superficial cutaneous blood vessels that may blanch?
Telangiectasia
What condition involves the separation of the nail plate?
Onycholysis
Which histological change involves the loss of desmosomes between keratinocytes and a change in cell shape from polygonal to round?
Acantholysis
What term refers to the thickened cornified layer with a prominent granular layer?
Hyperkeratosis
Which skin condition causes intraepidermal edema resulting in keratinocytes splaying apart and vesicle formation due to sheared desmosomes?
Spongiosis and Vesicles
Test your knowledge on the integument system, which is composed of skin and its appendages. Learn about the layers of the skin and its functions in protecting deeper tissues, thermoregulation, sensory perception, and more.
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