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Unit 2 pt 2
Unit 2
| Question | Answer |
|---|---|
| moves two structures further apart → | Extension, |
| brings two structures closer together → | flexion |
| A burn that destroys only the superficial cells of the epidermis, such as a mild sunburn, is classified as | 1st degree burn |
| Epidermal cells synthesize this vitamin when exposed to sunlight. | Vitamin D |
| The skin is also called the ___ membrane. | cutaneous |
| Skin is protected by a thick, oily substance called ___. | sebum |
| Exposure of the skin to ultraviolet light | can increase melanocyte production. |
| Functions of the skin include; | regulating body temperature |
| The observed differences in skin color reflect the levels of ________ production. | melanin |
| Injections made under the skin are called; | subcutaneous injections |
| The number one way to prevent the spread of disease is ___. | handwashing |
| As cells are pushed from the deeper portion of the epidermis toward the surface | they keratinize (die off) |
| The bones that form the palms of the hands and your knuckles are the | metacarpals |
| Ribs 1-7 are connected directly to the sternum by separate cartilaginous extensions are called ________ ribs. | true |
| The appendicular skeleton contains ________ bones. | 126 |
| Ribs that totally do not connect to any part of the sternum, surrounding cartilage, or other ribs, are called ________. | floating ribs |
| Collagen is responsible for firmness, this is why people often get collagen injections to increase firmness and decrease the appearance of wrinkles. | True |
| Risk factor(s) for osteoporosis: | Being female and old |
| Endochondral bones often start off as (during fetal development): | Hyaline cartilage models |
| The major bone breaking cell (demolition team): | Osteoclast |
| Red marrow makes _____, but yellow marrow mainly stores _____. | Blood cells; fat |