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Skin Anatomy and Pathology

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Questions and Answers

Which type of burns requires the use of skin grafts?

3rd degree burns (full thickness) (correct)

4th degree burns (muscle and bone)

2nd degree burns (partial thickness)

1st degree burns (epidermal)

What is the function of the Follicular Bulge stem cells in wound healing?

They differentiate into new skin cells

They form a scab to protect the wound

They migrate to the injury site and promote re-epithelialization (correct)

They release growth factors to stimulate collagen production

What is the name of the muscle responsible for 'goosebumps'?

Epidermal Muscle

Dermal Papillae Muscle

Arrector Pili Muscle (correct)

Hair Follicle Muscle

What is the function of the Langerhans cells in the epidermis?

They recognize and process antigens for immune response Signup and view all the answers

What is the name of the structure where sebum is expelled from the sebaceous gland?

Infundibulum Signup and view all the answers

What is the characteristic of the cells in the sebaceous gland that undergo holocrine secretion?

They have a 8-day life span Signup and view all the answers

What is the function of the Merkel cells in the epidermis?

They are involved in mechanoreception and touch Signup and view all the answers

What is the name of the structure that is responsible for the formation of the hair shaft?

Hair Bulb Signup and view all the answers

What is the characteristic of the hair follicle that develops from the same epithelium of the external root sheath?

It is composed of stratified cells Signup and view all the answers