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Study Helps Ch. 4
Anatomy Test Study Guide on the Integumentary System
| Question | Answer |
|---|---|
| What are the three categories of epithelial tissue membranes? | cutaneous, mucous, serous |
| What membranes are considered serous? | parietal peritoneum, visceral peritoneum, parietal pericardium, visceral pericardium, parietal pleura, visceral pleura. |
| Where do you find the parietal pericardium? | outer wall around the heart |
| The synovial membranes are which tissue type? | connective tissue |
| The skin is which membrane? | the body membrane |
| Where do you find mucous membranes? | mucosa of the NASAL CAVITY, mucosa of the MOUTH, ESOPHAGUS LINING, mucosa of the LUNG BRONCHI |
| Sweat glands in the axillary and genital areas are which type of glands? | Apocrine glands |
| What is the VITAL function of the skin? | Protection |
| Which protein substance helps to "waterproof" the skin? | Keratin |
| The most external skin region is composed of which type of epithelial tissue? | simple squamous |
| What insulating tissue composes the hypodermis? | subcutaneous |
| Does the epidermis have its own blood supply? | No, it's avascular |
| 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 |
| What causes contact dermatitis? | exposure of the skin to chemicals that provoke allergic reactions |
| Why does your skin tan? | melanocytes produce more melanin |
| Which layer of the epidermis do you find melanocytes? | stratum basale |
| Which layer are the sweat and oil glands found in? | dermis |
| What are stratum germinativum cells? | Cells that are constantly undergoing cell division |
| Describe the papillary layer of the skin. | 1. uneven. 2. fingerlike projections from superior surface called dermal papillae. 3. upper dermal region |
| Which glands become active when body temperature rises? | eccrine glands |
| What are dermal papillae? | fingerlike projections from superior surface of the papillary layer |
| Fingernails are the modification of what? | epidermis |
| Describe the contents of the secretion of eccrine glands. | Sweat: acidic, primarily water, salty |
| What stimulates the secretion of sebum? | androgen |
| Sebaceous glands are important for keeping skin and hair what? | moist/lubricated |
| What is a boil? | inflammation of hair follicles and sebaceous glands |
| What is the first threat to like from a massive third degree burn? | loss of fluids |
| Which layer of the epidermis do cells first die due to the inability to get nutrients and oxygen? | stratum lucidum |
| How do nutrients reach the surface of the skin? | capillary loops |
| 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 |
| What are indicators of melanoma? | ABCD Rule: Asymmetry, Border irregularity, Color, Diameter |
| 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 |
| Male pattern baldness has a genetic switch that turns on in response to what? | age |
| Membranes that line body cavities that lack openings to the exterior of the body are called _______ membranes | serous |
| What is the visceral pleura? | membrane that covers the lungs |
| 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 |
| The major portion of the skin is made of the what? | dermis |
| Are the apocrine glands important thermoregulation? | no |
| Describe the composition of a mucous membrane. | composed of epithelium resting on loose connective tissue membrane called lamina propria |
| 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 |
| An infection of the sebaceous glands accompanied by skin pimples is what? | acne |
| Cancer of skin pigment cells is called? | malignant melanoma |
| Third degree burns are also referred to as? | full-thickness burns |
| Decubitous ulcers are also called? | bedsores |
| The part of the hair enclosed in the follicle is the what? | hair root |
| The matrix of hair divides to form? | epithelial cells |
| Distinguish between apocrine and eccrine glands. | Apocrine glands are in the genital area. Eccrine are everywhere, and secrete sweat. |
Created by:
biggreg19
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