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Anatomy Ch. 5
Integumentary System
| Question | Answer |
|---|---|
| List the functions of the skin | Protects inner organs, Temperature maintenance, Synthesis and storage of nutrients, sensory reception, Excretion and secretion |
| What causes the different skin color in people (different races)? | Melanin production |
| Skin is blue, poor circulation | Cyanosis |
| Skin is yellow, possible liver malfunction | Jaundice |
| Small internal bleeding | Bruises |
| (T or F) Greater amounts of the pigment "carotene are produced when the skin is exposed to the sun. | False, Melanin |
| (T or F) The most abundant protein in dead epidermal structures such as hair and nails is "melanin". | False, Karatin |
| (T or F) "Sebum" is an oily mixture of lipids, cholesterol, and cell fragments. | True |
| (T or F) The oldest epidermal cells in the epidermis are found in the "stratum basale". | False, Stratum Corneum |
| (T or F) The externally observable part of a hair is called the "root". | False, Hair shaft |
| (T or F) The "epidermis" provides mechanical strength to the skin | False, Dermis |
| What does the ABCD refer to in reference to assessing pigmented areas for the likelihood of skin cancer? | A-Asymmetry, B-Border, C-Color, D-Diameter |
| What are Sebaceous glands? | Oil glands |
| Where are Sebaceous glands found? | In the dermis |
| What do Sebaceous glands produce? | Oily lipid secretion into hair follicles or onto skin |
| What are Whiteheads and Blackheads? | Result of acne, a bunch of sebum accumulated at the top of the skin |
| Where are eccrine (sweat glands) found? | Found in dermis |
| What do eccrine glands produce? | Sweat |
| Why are they important to homeostasis of the body? | Produce sweat which cools down the body during physical activity |
| Where are apocrine (sweat glands) found? | In the hypodermis |
| What do apocrine glands produce? | Secrete products into hair follicles in armpits etc. |
| Where do apocrine glands release there secretions? | The secretion is food for bacteria which creates the oder |
| When, during development, do they start to function? | At puberty |
| Why doesn't it hurt to cut your fingernails? | Because it doesn't have nerves in it |
| Where do the fingernail and toenails form? | In the nail root, an epithelial fold not visible from the surface, in the Lunula |
| Full thickness burn; epidermal and dermal layers destroyed; skin is blanched | 3rd degree burn |
| Blisters form | 2nd degree burn |
| Epidermal damage, redness, and some pain (usually brief) | 1st degree burn |
| Epidermal and some dermal damage; pain, but regeneration is possible | 2nd degree burn |
| Regeneration impossible; requires graffing | 3rd degree burn |
| A dermatologist is a physician that specializes in the care of the skin. How many different aliments affect the skin? | Over 1,000 |
| Red and cracked, itchy, fungal infection | Athlete's foot |
| Large bum on skin from inflamed hair follicle or sebatious gland | Boils/Carbuncles |
| Bumpy blisters, from emotional upset, fever, or UV radiation | Cold Sores |
| Swelling and redness, can produce blisters; allergic response to chemical exposure | Contact Dermatitis |
| Pink raised lesions, bacterial infection | Impetigo |
| Red skin with flaky silver-white patches, triggered by bacterial/viral infections, dry skin, injury to skin, stress | Alopecia |
| Hair turns grey; genetic | Graying Hair |
| Oily secretion | Sebum |
| Outermost layer of epidermis | Stratum corneum |
| Development stimulated by sex hormones | Apocrine gland |
| Epidermal pigment | Melanin |
| Inner layer of skin | Dermis |
| Responds to elevated body temperature | Eccrine gland |
| Pigment-producing cell | Melanocyte |
| Outer layer of skin | Epidermis |
| Gland usually associated with hair follicle | Sebaceous gland |
| Hard protein of nails | Keratin |
| Binds skin to underlying organs | Subcutaneous layer |
| Reproductive layer of epidermis | Stratum basale |
| Process of hardening epidermal cells | Keratinization |
| Tubelike part that forms hair | Hair follicle |
| Causes hair to stand on end | Arrector pili muscle |
| What two kinds of tissues is the skin composed of and what are they made up of? | Thin skin- Epidermis, most upper part of the skin; Thick skin- Dermis, lower and thicker part of the skin |
Created by:
Danceman8