Anatomy Test Study Guide on the Integumentary System
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| What are the three categories of epithelial tissue membranes? | cutaneous, mucous, serous
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| What membranes are considered serous? | parietal peritoneum, visceral peritoneum, parietal pericardium, visceral pericardium, parietal pleura, visceral pleura.
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| Where do you find the parietal pericardium? | outer wall around the heart
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| The synovial membranes are which tissue type? | connective tissue
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| The skin is which membrane? | the body membrane
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| Where do you find mucous membranes? | mucosa of the NASAL CAVITY, mucosa of the MOUTH, ESOPHAGUS LINING, mucosa of the LUNG BRONCHI
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| Sweat glands in the axillary and genital areas are which type of glands? | Apocrine glands
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| What is the VITAL function of the skin? | Protection
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| Which protein substance helps to "waterproof" the skin? | Keratin
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| The most external skin region is composed of which type of epithelial tissue? | simple squamous
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| What insulating tissue composes the hypodermis? | subcutaneous
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| Does the epidermis have its own blood supply? | No, it's avascular
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| What is the correct sequence of the layers of the epidermis going from outermost to innermost? | Stratum: Corneum Come Lucidum Lets Granulosum Get Spinosum Some Basale Bananas
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| What causes contact dermatitis? | exposure of the skin to chemicals that provoke allergic reactions
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| Why does your skin tan? | melanocytes produce more melanin
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| Which layer of the epidermis do you find melanocytes? | stratum basale
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| Which layer are the sweat and oil glands found in? | dermis
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| What are stratum germinativum cells? | Cells that are constantly undergoing cell division
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| Describe the papillary layer of the skin. | 1. uneven. 2. fingerlike projections from superior surface called dermal papillae. 3. upper dermal region
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| Which glands become active when body temperature rises? | eccrine glands
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| What are dermal papillae? | fingerlike projections from superior surface of the papillary layer
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| Fingernails are the modification of what? | epidermis
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| Describe the contents of the secretion of eccrine glands. | Sweat: acidic, primarily water, salty
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| What stimulates the secretion of sebum? | androgen
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| Sebaceous glands are important for keeping skin and hair what? | moist/lubricated
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| What is a boil? | inflammation of hair follicles and sebaceous glands
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| What is the first threat to like from a massive third degree burn? | loss of fluids
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| Which layer of the epidermis do cells first die due to the inability to get nutrients and oxygen? | stratum lucidum
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| How do nutrients reach the surface of the skin? | capillary loops
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| Explain what is ment by the rule of nines | divides the body into 11 areas; each area representing 9% of the total surface area of the body
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| What are indicators of melanoma? | ABCD Rule: Asymmetry, Border irregularity, Color, Diameter
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| What is vernix caseosa? | white, cheesy looking substance produced by sebaceous glands that protect a baby's skin while floating in its water filed sack in the womb
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| Male pattern baldness has a genetic switch that turns on in response to what? | age
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| Membranes that line body cavities that lack openings to the exterior of the body are called _______ membranes | serous
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| What is the visceral pleura? | membrane that covers the lungs
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| What is responsible for the pinkish hue of healthy individuals with fair skin? | oxygen-rich hemoglobin flushes through the transparent cell layers above the dermis
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| The major portion of the skin is made of the what? | dermis
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| Are the apocrine glands important thermoregulation? | no
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| Describe the composition of a mucous membrane. | composed of epithelium resting on loose connective tissue membrane called lamina propria
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| Describe the structure of the hair. | outer layer is the cuticle, the middle layer is the cortex, and the center layer/part is the medulla
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| An infection of the sebaceous glands accompanied by skin pimples is what? | acne
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| Cancer of skin pigment cells is called? | malignant melanoma
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| Third degree burns are also referred to as? | full-thickness burns
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| Decubitous ulcers are also called? | bedsores
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| The part of the hair enclosed in the follicle is the what? | hair root
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| The matrix of hair divides to form? | epithelial cells
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| Distinguish between apocrine and eccrine glands. | Apocrine glands are in the genital area. Eccrine are everywhere, and secrete sweat.
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