Anatomy 1 test 2
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45 terms
Terms | Definitions |
|---|---|
 Which of these lists the stages of prenatal development in correct order? | zygote, cleavage, morula, blastocyst, embryo, fetus |
| The epithelium that lines the stomach and intestines is | simple columnar. |
| The hyaline costal cartilage that attaches a rib to the sternum forms | a synchondrosis. |
| All new epidermal cells are produced by the stratum granulosum | false |
| The protein fibers of the bone matrix are composed of | collagen |
| The nonliving material surrounding cells is called | matrix |
| During embryogenesis, the embryoblast flattens into an bilaminar embryonic disc composed of | ectoderm and endoderm. |
| Most of the space within a cell is filled with interstitial fluid. | FALSE |
| The most abundant protein of the epidermis is keratin, while the most abundant protein of the dermis is collagen. | TRUE |
| A loss of bone mass, especially spongy bone, is usually a result of lack of exercise or deficiency of estrogen after menopause. This disorder is called | osteoporosis |
| The ___ forms by endochondral ossification. | HUMERUS |
| The most common fiber in connective tissue is | COLLAGEN |
| This part of a synovial joint encloses the cavity, retains the synovial fluid, and is continuous with the periosteum. | FIBROUS CAPSULE |
| Children have more bones than adults do. | TRUE |
| In places, the dermis may exhibit either smooth or skeletal muscle fibers. | TRUE |
| Which of the following tissues is found in the dermis of the skin? | DENSE IRREGULAR |
| The contraction of the piloerector muscles (arrector pili) in humans causes | hairs to stand on end with no apparent function. |
| Which one of the following bone cells would have the greatest number of lysosomes? | OSTEOCLASTS |
| The only type of cell seen in a tendon is | FIBROBLASTS |
| Shiny hair gets its sheen from oil produced by the ___ glands | sudoriferous |
| The house mite, Dermatophagoides, feeds on dandruff which is composed of | keratin and oil |
| Endochondral ossification is the development of a bone from a cartilage model. | true |
| Bones of the skull and clavicle develop by | intramembranous ossification. |
| The embryonic disc, when first formed, has no mesoderm. | true |
| Tendons and ligaments are made predominantly of the protein | collagen |
| In the zone of bone deposition, _____ cells rapidly invade the calcified matrix and lay down bone. Then ______ cells erode the spongy bone to form the marrow cavity. | osteoblast; osteoclast |
| The epidermis is composed of columnar epithelium. | false |
| Intervertebral discs form cartilagenous joints between the vertebrae | true |
| Tendons and ligaments, not just bones, are considered part of the skeletal system. | true |
| Which of the following is not one of the four primary classes of tissue? | cartilage tissue (epithelial, connective, nervous, muscle) |
| All glands that release their products by way of ducts, rather than directly into the bloodstream, are called ___ glands | exocrine |
| In thick skin, the layers of the epidermis from deep to superficial, respectively, are the stratum | basale, spinosum, granulosum, lucidum, and corneum. |
| A uniaxial joint like the elbow is capable of which one of the following movements? | flexion and extension |
| When bone is stressed on one side, it usually bends slightly on the other side and does not fracture. This is due to tensile strength caused by | collagenous fibers |
| A synchondrosis and symphysis differ only with respect to what type of cartilage joins adjacent bones to each other. | true |
| The internal lining of the esophagus and adult vagina is | a stratified squamous epithelium |
| Stretch marks result from | torn collagen fibers |
| What type of joint is the epiphyseal plate? | synchondrosis |
| After a cartilage cell becomes trapped in a lacuna, it is called a chondrocyte. | true |
| The shoulder is a good example of a hinge joint. | false |
| The fastest rate of mitosis is seen in | the stratum basale |
| All new epidermal cells arise from | the stratum basale |
| The epithelia of the digestive tract, respiratory tract, urinary bladder, and accessory reproductive and digestive system glands are derived from | endoderm |
| During wound healing, macrophages serve to | phagocytize foreign material and the blood clot |
| A uniaxial joint like the elbow is capable of which one of the following movements? | ABDUCTION |
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