19 Questions
What is the main purpose of the integument according to the text?
Protecting deeper tissues from injury
Which layer of the epidermis is responsible for metabolizing vitamin D?
Stratum Basale
What is the function of the Stratum Corneum in the epidermis?
Provides waterproofing and protection
Which layer of the dermis is responsible for providing structural strength and elasticity to the skin?
Reticular dermis
What is the main purpose of a shave biopsy?
Removal of a 'shave' superficial lesion tissue to establish a diagnosis
Why is it recommended to biopsy characteristic areas in their diagnostic stage?
To capture histopathology at one point in time in evolution of a lesion
'Come Let’s Get Sun Burnt' can be used as a mnemonic to remember the layers of which part of the integument?
Epidermis
'Biopsy a primary lesion' is associated with which procedure according to the text?
'Shave Biopsy'
'Removal of a 'core' of tissue to establish a definitive diagnosis or to remove a small lesion' describes which type of biopsy?
'Punch Biopsy'
What is the size of a macule?
Less than 10mm
Which skin lesion is characterized by a discontinuity of skin causing complete loss of epidermis and possible loss of dermis?
Ulceration
What is the distinguishing feature of a vesicle?
Fluid-filled area less than 10mm
Which histological change involves thickening of the cornified layer with a prominent granular layer?
Hyperkeratosis
What causes the formation of weals on the skin?
Dermal edema
Which term refers to the extravasation of RBCs into the skin or mucous membranes?
Purpura
In what condition do keratinocytes splay apart due to intraepidermal edema?
Spongiosis and Vesicles
Which skin lesion is a solid, palpable area greater than 20mm in size?
Nodule
What is the main characteristic of excoriation?
A deep, linear scratch often self-induced
What is a cyst?
An encapsulated cavity or sac lined by true epithelium filled with keratin
Test your knowledge about the integument system, which consists of the skin and its appendages. Learn about the layers of the epidermis and their functions in protecting deeper tissues, thermoregulation, and more.
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