Anatomy & Physiology Lab: The Integumentary System Review Questions Fully Solved Edition.

The superficial region of the skin is the: - Answer epidermis The epidermis is composed of what kind of tissue? (3 words) - Answer stratified squamous epithelial The deeper region tissue is the _________________, composed of connective tissue. - Answer dermis The most numerous cell of the epidermis is the - Answer keratinocytes. The two primary layers of the dermis are the _____________ and the ________________. - Answer papillary & reticular The papillary layer of the dermis is composed of - Answer areolar connective tissue The reticular layer of the dermis is composed of - Answer dense irregular connective tissue Four Protective Functions of the Skin - Answer 1. Insulating and cushioning the underlying tissues 2. Protecting the body from abrasion 3. Protecting the body from harsh chemicals 4. Preventing water loss from internal reserves Stratum Lucidum - Answer -layer of translucent cells in thick skin containing dead keratinocytes Stratum Corneum - Answer -layer containing scalelike dead cells full of keratin that constantly slough off Stratum Granulosum - Answer -named for the granules present -layer that secretes a glycolipid that prevents water loss from the skin