front 1 Despite its apparent durability, the dermis is subject to tearing. How might a person know that the dermis has been previously stretched and/or torn? | back 1 The appearance of visible, silvery-white scars is an indication of stretching of the dermis. |
front 2 _____ marrow is found between the trabeculae of spongy bone. | back 2 red *** check this |
front 3 eyebrow hairs are always shorter than hairs on your head because ____. | back 3 eyebrow follicles are only active for a few months. |
front 4 Which of the following is the single most important stimulus for epiphyseal plate activity during infancy and childhood? | back 4 growth hormone |
front 5 What kind of tissue is the forerunner of long bones in the embryo? | back 5 hyaline cartilage |
front 6 bones united by hyaline cartilage | back 6 syndesmosis |
front 7 A splinter penetrated into the skin of the sole of the foot, almost to the papillary region of the dermis. Which layer of the epidermis would be the final layer injured? | back 7 basale |
front 8 Osteomalacia is ______. | back 8 literally known as "soft bone" |
front 9 Tendon sheaths______. | back 9 act as friction-reducing structures |
front 10 Why hair appears the way it does? | back 10 Curly hair has flat, ribbonlike hair shafts. |
front 11 _____ are cells in the epidermis that are part of the immune system. | back 11 dendritic cells |
front 12 The design of a person's epidermal ridges is determined by the manner in which the papillae rest upon the dermal ridges to produce the specific pattern known as handprints, footprints, and fingerprints. Which of the following statements is true regarding these prints or ridges? | back 12 They are genetically determined, therefore unique to each person. |
front 13 In addition to protection (physical and chemical barrier), the skin serves other functions. What is another vital function of the skin? | back 13 It converts epidermal cholesterol to a vitamin D precursor important to calcium metabolism. |
front 14 The growth pattern of bone in which matrix is laid down on the surface. | back 14 appositional growth |
front 15 The appearance of this structure signals the end of bone growth. | back 15 epiphyseal line |
front 16 Area where bone longitudinal growth takes place | back 16 epiphyseal plate |
front 17 The canal that runs through the core of each osteon (the Haversian canal) is the site of ______. | back 17 blood vessels and nerve fibers |
front 18 The layer of the epidermis where the cells are considered protective but nonviable. | back 18 stratum corneum |
front 19 The glands that serve an important function in thermoregulation | back 19 sudoriferous glands |
front 20 Hair that lacks pigment and is often called "immature hair." | back 20 vellus |
front 21 _____ accounts for almost two-thirds of the weight of adult bone. | back 21 calcium phosphate |
front 22 _____ fractures are completely internal; they do not break through the skin. | back 22 closed |
front 23 When the arrestor pili muscles contract, | back 23 "goose bumps" are formed |
front 24 _____bone reduces the weight of the skeleton and reduces the load on muscles. | back 24 spongy |
front 25 The sebaceous glands are simple alveolar glands that secrete a substance known as sebum. The secretion of sebum is stimulated _____. | back 25 by hormones, especially adrogens. |
front 26 Select the most correct statement concerning skin cancer. | back 26 Melanomas are rare but must be removed quickly to prevent them from metastasizing. |
front 27 Thin skin contains ______ layer(s) of keratinocytes, and thick skin contains ____ layers. | back 27 4;5 |
front 28 An albino individual lacks the ability to produce | back 28 melanin |
front 29 A child with rickets often has | back 29 bowed legs |
front 30 The term diploe refers to the _____. | back 30 internal layer of spongy bone in flat bones |
front 31 Which hormone increases osteoclast activity to release more calcium ions into the bloodstream? | back 31 parathyroid hormone |
front 32 Cranial bones develop_____ | back 32 within fibrous membranes |
front 33 synovial fluid is present in joint cavities of freely movable joints. What is true about the fluid? | back 33 it contains hyaluronic acid |
front 34 What is not a function of the skeletal system | back 34 communication |
front 35 A surgical incision parallel to the lines of cleavage | back 35 closes and heals with relatively little scarring |
front 36 What is the structural unit of compact bone? | back 36 the osteon |
front 37 sensible perspiration for the thermoregulation is produced by ____ glands. | back 37 eccrine |
front 38 The function of the root hair plexus is to _____. | back 38 allow the hair to assist in touch sensation |
front 39 Order of steps in the process of endochondral ossification | back 39 1. Perichondrial cells become osteoblasts and produce a thin layer collar of bone around the hyaline cartilage model 2. Chondrocytes enlarge and the surrounding matrix begins to calcify 3. Enlarged chondrocytes die 4. Blood vessels invade the perichondrium 5. Osteoblasts replace calcified cartilage with spongy bone |
front 40 Sudoriferous (sweat) glands are categorized as two distinct types. What are the two types? | back 40 eccrine and apocrine |
front 41 What glands produce ear wax? | back 41 ceruminous glands |
front 42 Vernix caseosa is a _____ | back 42 whitish material produced by fetal sebaceous glands |
front 43 In the epiphyseal plate, cartilage grows_____. | back 43 by pushing the epiphysis away from the diaphysis |
front 44 The structural unit of spongy bone | back 44 trabaculae |
front 45 THe sebaceous glands are simple alveolar glands that secrete a substance known as sebum. The secretion of sebum is stimulated______. | back 45 by hormones, especially androgens. |
front 46 Through the action of osteoclasts | back 46 bony matrix is dissolved |
front 47 what kind of tissue is the forerunner of long bones in the embryo? | back 47 hyaline cartlige |
front 48 Melanocystes and keratinocytes work together in protecting the skin from UV damage when keratinocystes____ | back 48 accumulate the melanin granules on their superficial portion, forming a UV-blocking pigment layer |
front 49 the _____ glands in the axilla becomes active in the time of puberty (Think: axe deodorant…) | back 49 apocrine sweat. (you would sweat a lot if you were stung by a porcupine ) |
front 50 The effects of aging on the skin include | back 50 a decline in the activity of sebaceous glands (old people don't get zits… sebaceous glands is what makes zits) |
front 51 the process of bones or cartilage increasing in width by growth from the surface is known as____ | back 51 appositional growth (you can get an "ap" to increase the width of your photos on instagram) |
front 52 osteogenesis is the process of____ | back 52 bone formation (genesis always means growth osteo is obvi bone) |
front 53 the cell responsible for secreting the matrix of bones is the Think matrix the movie | back 53 osteoblast lots of explosions were in the movie thus lots of blasts :) |
front 54 the resilience of bone is primarily due to which of the following? | back 54 sacrificial bonds in or between collagen molecules (the resilience of catholic is due to the SACRIFICE of jesus on the cross and he was pretty damn boney when he died) |
front 55 the periosteum is secured to the underlying bone by dense connective tissue called___ | back 55 perforating (sharpeys) fibers |
front 56 Which of the following statements describes interstitial growth? | back 56 Chondrocytes in the lacunae divide and secrete matrix, allowing the cartilage to grow from within. |
front 57 The structure of bone tissue suits the function. Which of the following bone tissues is adapted to support weight and withstand tension stress? | back 57 compact bone |
front 58 Which structure allows the diaphysis of the bone to increase in length until early childhood? | back 58 epiphyseal plate |
front 59 Yellow bone marrow contains a large percentage of____. | back 59 fat |
front 60 The single most important risk for skin cancer is______. | back 60 overexposure to UV radiation |
front 61 Best way to describe osteocyte | back 61 mature bone cell |
front 62 Example of why hair appears the way it does | back 62 Kinky hair has flat, ribbonlike hair shafts |
front 63 Cranial bones develop_____. | back 63 within fibrous membranes |
front 64 Although the integument is a covering, it is by no means simple, and some of its functions include_____. | back 64 resident macrophage-like cells who function is to ingest antigenic invaders and present them to the immune system |
front 65 What tissue forms the model for endochondrial ossification? | back 65 cartilage |
front 66 Ossification of the end of long bones____. | back 66 is produced by secondary ossification centers |
front 67 Bones are covered and lined by a protective tissue called periosteum. The inner (osteogenic) layer consists primarily of____. | back 67 cartilage |
front 68 Variations in hair color reflect differences in the pigment produced by | back 68 melanocytes |
front 69 Accessory structures of the skin include all of the following except: a. epidermis b. sebaceous glands c. hair follicles d. nails e. swear glands | back 69 epidermis |