front 1 A condition that produces a reduction in bone mass sufficient to compromise normal function is __________.
| back 1 A. osteoporosis. |
front 2 Which of the following statements concerning the periosteum of a bone is NOT true?
| back 2 C. All bone surfaces in the body are covered by
|
front 3 During fetal development, intramembranous ossification takes place in __________.
| back 3 D. fibrous connective tissue membranes. |
front 4 Mary is 50 years old. During a checkup, a bone scan reveals that portions of her skeleton show signs of osteoporosis. After reviewing the test results, her physician suggests hormone therapy. What hormone is prescribed for Mary?
| back 4 C. estrogen |
front 5 The bones of the skeleton store energy reserves as lipids in areas of __________.
| back 5 A. yellow marrow
|
front 6 The cells that maintain mature compact bone are __________.
| back 6 A. osteocytes
|
front 7 The lacunae of bone contain __________.
| back 7 D. osteocytes |
front 8 The process of bone growth at the epiphyseal plate is similar to __________.
| back 8 E. endochondral ossification |
front 9 The two types of osseous tissue are __________.
| back 9 E. compact bone and spongy bone |
front 10 When the epiphyseal plate is replaced by bone,_____
| back 10 C. long bones have reached their adult length |
front 11 Intramembranous ossification __________.
| back 11 A. begins within a connective tissue membrane |
front 12 A fracture in the shaft of a bone would occur in the __________.
| back 12 B. diaphysis |
front 13 Growth of a cartilage in which the chondrocytes within the matrix become active and proliferate is known as __________.
| back 13 D. interstitial growth |
front 14 Osteocytes maintain contact with the blood vessels of the central canal through __________.
| back 14 B. canaliculi |
front 15 Spongy bone contains all of the following, EXCEPT __________.
| back 15 B. true osteons |
front 16 The bones in the long axis of the body make up the __________.
| back 16 B. axial skeleton |
front 17 Which of the following is a canal-like passageway?
| back 17 C. meatus |
front 18 Which of the following characteristics of skeletal cartilage limits its thickness?
| back 18 A. It's avascular and receives most of its
|
front 19 The menisci of the knee are made of __________.
| back 19 A. fibrocartilage |
front 20 Which of the following statements best describes interstitial growth of cartilage?
| back 20 C. Chondrocytes divide and secrete new matrix from
|
front 21 __________ bones act to alter the direction of tendon pull.
| back 21 C. Sesamoid |
front 22 All of the following are stored in the matrix of bones, EXCEPT __________.
| back 22 C. vitamin D |
front 23 A narrow, slitlike opening in a bone is referred to as a __________.
| back 23 B. fissure |
front 24 Which of the following structures anchors the periosteum to the underlying bone?
| back 24 C. perforating fibers |
front 25 Which of the following sites is the site where bone marrow is routinely sampled in an adult?
| back 25 C. the sternum |
front 26 Bone-forming cells originate from __________.
| back 26 D. osteoprogenitor cells |
front 27 The twisting of a long bone is prevented by which of the following?
| back 27 D. circumferential lamellae |
front 28 Hydroxyapatite in bone matrix that gives bone its hardness is primarily composed of __________.
| back 28 B. calcium and phosphates |
front 29 Before eight weeks, the skeleton of the human embryo is composed of __________.
| back 29 A. fibrous membrane. |
front 30 If a breastfeeding mother becomes vitamin D deficient, what disease is most likely to develop in the nursing infant?
| back 30 A. rickets |
front 31 Osteomyelitis is a condition that produces a reduction in bone mass sufficient to compromise normal function.
| back 31 False |
front 32 Collagen in the bone matrix provides flexible strength.
| back 32 True |
front 33 Endochondral ossification begins with the formation of a calcified model.
| back 33 False |
front 34 Excess growth hormone prior to puberty would result in gigantism.
| back 34 True |
front 35 Mature bone cells are called chondrocytes.
| back 35 False |
front 36 Parathyroid hormone stimulates osteoblast activity.
| back 36 False |
front 37 Scapulae are formed by intramembranous ossification.
| back 37 False |
front 38 Secondary ossification centers occur in the center of the diaphysis.
| back 38 False |
front 39 The central canal of an osteon contains osteocytes.
| back 39 False |
front 40 The hormone calcitonin may function to decrease the calcium ion in the blood.
| back 40 True |
front 41 The presence of an epiphyseal line indicates that long bone growth is still in process.
| back 41 False |
front 42 The shaft of the long bone is called the diaphysis.
| back 42 True |
front 43 Vitamin D is necessary for the formation of the organic framework of bone.
| back 43 False |
front 44 Osseous tissue is avascular.
| back 44 False |
front 45 Appositional growth in a skeletal cartilage will increase its overall length.
| back 45 False |
front 46 A metacarpal is an example of a long bone.
| back 46 True |
front 47 An increase in parathyroid hormone can cause bones to become porous and brittle.
| back 47 True |
front 48 Increasing the percentage of collagen in a bone would make it become more rigid.
| back 48 False |
front 49 A bone that is imbedded in a ligament or tendon is a short bone.
| back 49 True |
front 50 Spongy bone in flat bones is called diploë.
| back 50 True |