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Chap 6 Study Guide
Things to know about the Integumentary System
| Question | Answer |
|---|---|
| What is the name of the system that comprises the skin and all its associated structures? | Integumentary |
| Moving from the superficial to the deeper layer, what are the names of the two layers of the skin? | Epidermis is the superficial layer, the dermis is the deeper layer. |
| What is the composition of the subcutaneous layer? | Composed of loose connective tissue and adipose (fat) tissue. |
| What is the name of the skin glands that produce an oily secretion (sebum)? | Sebaceous glands |
| What is the scientific name for the sweat glands? | Sudoriferous glands |
| What is the name of the sheath in which a hair develops? | A hair follicle |
| Where are the active cells that produce a nail located? | In the nail root at the proximal end of the nail. |
| What two substances produced in the skin help to prevent dehydration? | Keratin and sebum |
| What two mechanisms involving the skin are used to regulate temperature? | Dilation(widening) and constriction (narrowing) of blood vessels and by evaporation of perspiration from the body surface. |
| Name some pigments that give color to the skin. | Melanin, hemoglobin, and carotene. |
| What is the term for a bluish skin discoloration caused by insufficient oxygen? | Cyanosis |
| What two categories of tissues repair themselves most easily? | Epithelial and connective tissue |
| Name four factors that affect skin healing. | Nutrition, blood supply, infection, and age |
| What is a lesion? | Any wound or local damage to tissue |
| What two factors are used to assess the severity of burns? | The depth of the burn and the extent of body surface involved. |
| What are some microorganisms that affect the skin? | Bacteria, viruses, and fungi |
| What is the general term for inflammation of the skin? | Dermatitis |
| What is the probable cause of chronic inflammatory skin diseases? | Autoimmunity |
| What skin disorder results from overactivity of the sebaceous glands? | Acne |
| What is the technical term for baldness? | Alopecia |
| Cells of the stratum corneum contain large amounts of a protein called _______ | Keratin |
| Sweat glands located in the axillae and groin are classifed as _______ glands. | Apocrine |
| The name of the muscle that raises the hair is the _______ | Arrector pili |
| A dark-colored pigment that protects the skin from the rays in sunlight is called __________ | Melanin |
| Refer to the integumentary system in "The Body Visible" overlays to find that Meissner and Ruffini" corpuscles are receptors for the sense of ________ | Touch |
| Skin sensitivity characterized by intense itching and inflammation | Eczema |
| A viral infection that follows nerve pathways, producing small lesions on the overlaying skin | Shingles |
| A fungal infection of the skin | Tinea |
| Allergic reaction characterized by the appearance of wheals | Urticaria |
| Chronic skin disease characterized by red flat areas covered with silvery scales | Psoriasis |
| The dermis is _________ to the epidermis. | Deep |
| What type of gland is involved in acne? | Sebaceous |
| Which of the following is not a type of skin lesion? | Pallor |
| Which skin discoloration is caused by an accumulation of bile pigment in the blood? | Jaundice |
| Which type of cells are involved in basal cell and squamous cell carcinomas? | Epidermal cells |
Created by:
Jessica Venyke
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