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Chap 6 Study Guide

Things to know about the Integumentary System

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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