Integument Lecture: Layers of Skin and Epidermis
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Integument Lecture: Layers of Skin and Epidermis

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@SuperiorAntigorite4686

Questions and Answers

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?

<p>Reticular dermis</p> Signup and view all the answers

What is the main purpose of a shave biopsy?

<p>Removal of a 'shave' superficial lesion tissue to establish a diagnosis</p> Signup and view all the answers

Why is it recommended to biopsy characteristic areas in their diagnostic stage?

<p>To capture histopathology at one point in time in evolution of a lesion</p> Signup and view all the answers

'Come Let’s Get Sun Burnt' can be used as a mnemonic to remember the layers of which part of the integument?

<p>Epidermis</p> Signup and view all the answers

'Biopsy a primary lesion' is associated with which procedure according to the text?

<p>'Shave Biopsy'</p> Signup and view all the answers

'Removal of a 'core' of tissue to establish a definitive diagnosis or to remove a small lesion' describes which type of biopsy?

<p>'Punch Biopsy'</p> Signup and view all the answers

What is the size of a macule?

<p>Less than 10mm</p> Signup and view all the answers

Which skin lesion is characterized by a discontinuity of skin causing complete loss of epidermis and possible loss of dermis?

<p>Ulceration</p> Signup and view all the answers

What is the distinguishing feature of a vesicle?

<p>Fluid-filled area less than 10mm</p> Signup and view all the answers

Which histological change involves thickening of the cornified layer with a prominent granular layer?

<p>Hyperkeratosis</p> Signup and view all the answers

What causes the formation of weals on the skin?

<p>Dermal edema</p> Signup and view all the answers

Which term refers to the extravasation of RBCs into the skin or mucous membranes?

<p>Purpura</p> Signup and view all the answers

In what condition do keratinocytes splay apart due to intraepidermal edema?

<p>Spongiosis and Vesicles</p> Signup and view all the answers

Which skin lesion is a solid, palpable area greater than 20mm in size?

<p>Nodule</p> Signup and view all the answers

What is the main characteristic of excoriation?

<p>A deep, linear scratch often self-induced</p> Signup and view all the answers

What is a cyst?

<p>An encapsulated cavity or sac lined by true epithelium filled with keratin</p> Signup and view all the answers

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