5 Written Questions

1. Keratinized epithelial cells
2. Hairs, Nails, Sudoriferous (Sweat) Glands, Sebaceous (Oil) Glands
3. Produce keratin, a protein that hardens and waterproofs the skin. Mature keratinocytes at the skin surface are dead and filled almost entirely with keratin
4. Hair Shaft, Hair Root, Hair Follicle, Bulb, Matrix, Arrector Pili
5. Connective and Epithelial

5 Matching Questions

1. Two Layers of the Dermis:
2. Melanocytes.
3. Name some functions of the skin.
4. Hair Root:
5. Four Types Of Sudoriforous Glands:

1. a Protection, Sensation, Thermo-regulation and Homeostasis, Metabolism of Vitamin-D, Excretion of Salts and Wastes
2. b Portion of the hair that penetrates the epidermis and dermis.
3. c Papillary Layer, Reticular Layer
4. d Produce Melanin, a pigment that protects cells from ultraviolet radiation. Melanin from the melanocytes is transferred to the keratinocytes.
5. e Eccrine Glands, Apocrine Glands, Ceruminous Glands, Mammary Glands

5 Multiple Choice Questions

1. Second Layer of skin consisting of various connective tissues.
   1. Dermis.
   2. Hairs:
   3. Nails
   4. Epidermis.
2. Provides strength, extensibility (stretchability), elasticity (ability to return to original form).
   1. Two Layers of the Dermis:
   2. Functions of the Hypodermis:
   3. Function of the Dermis:
   4. Keratinocytes.
3. Secrete sebum, an oily substance, into hair follicles and through the pores of the skin. Serves to inhibit bacterial growth and prevent drying of hair and skin.
   1. Ceruminous Glands
   2. Apocrine Glands:
   3. Sudoriferous (Sweat) Glands
   4. Sebaceous (Oil) Glands
4. Layer between the dermis and underlying tissues and organs. Storage site for most body fat.
   1. Papillary Layer:
   2. Reticular Layer:
   3. Hypodermis (Subcutaneous Layer):
   4. Ceruminous Glands
5. Sheath that surrounds the hair in the skin.
   1. Hair Root:
   2. Hairs:
   3. Hair Follicle:
   4. Hair Shaft:

5 True/False Questions

1. Ceruminous Glands → Glands under most skin surfaces that secrete a watery substance through the pores, which serves to cool the skin as it evaporates

   True        False

2. Papillary Layer: → Thick layer, below the papillary layer, that makes up most of the dermis

   True        False

3. Epidermis. → Second Layer of skin consisting of various connective tissues.

   True        False

4. Eccrine Glands: → Glands under most skin surfaces that secrete a watery substance through the pores, which serves to cool the skin as it evaporates

   True        False

5. Hairs: → Elongated filaments of keratinized epithelial cells that arise and emerge from the skin of mammals.

   True        False