• BIO201_MH_V3 Topic 7: Bones and Skeletal System EXAM Questions and Answers | 100% GRADED

• BIO201_MH_V3 • Topic 7: Bones and Skeletal System Question text Question text The type of lamellae found between osteons (Haversian systems) is Select one: a. circumferential. b. concentric. c. interstitial. d. appositional. e. oppositional. Question 3 Correct 1.75 points out of 1.75 Flag question Some flat and irregular bones of the skull have air-filled spaces called Select one: a. epiphyseal spaces. b. medullary cavities. c. lacunae. d. sinuses. e. trabeculae. Question 4 Correct 1.75 points out of 1.75 Flag question Question text Some marrow of long bones is termed "yellow" marrow under normal conditions. The function of yellow marrow is to Select one: a. manufacture blood cells. b. manufacture tissue cells for the skin. c. store adipose tissue. d. store bone-forming cells. e. make vitamin D. Question 5 Correct 1.75 points out of 1.75 Flag question The compression (weight-bearing) strength of bone matrix is due to the presence of Select one: a. elastin fibers. b. collagenase. c. hydroxyapatite crystals. d. collagen fibers. e. bone marrow. Question 6 Correct 1.75 points out of 1.75 Flag question Question text Cartilage Select one: a. is composed of osteons. b. is surrounded by a membrane called the periosteum. c. contains chondrocytes located in lacunae. d. does not need nutrients and oxygen so it has no blood vessels. e. is well vascularized. Question 7 Correct 1.75 points out of 1.75 Flag question Which of the following matrix molecules in cartilage tends to trap large quantities of water? Select one: a. collagen b. proteoglycan c. hyaluronic acid d. elastin e. chondrocytes Question 8 Correct 1.75 points out of 1.75 Flag question Question text Which of the following statements about bone remodeling and repair is correct? Select one: a. Bone remodeling involves removal of old bone by osteoblasts. b. As a long bone increases in diameter, the size of the marrow cavity decreases. c. The rate of bone remodeling increases in the elderly. d. Exposure of a bone to increased mechanical stress can lead to bone remodeling. e. Bone remodeling does not involve the activity of the osteoclasts and the osteoblasts. Question 9 Correct 1.75 points out of 1.75 Flag question A bone fracture generally found in children that is incomplete is a(an) Select one: a. complicated fracture. b. hairline fracture. c. spiral fracture. d. dentate fracture. e. greenstick fracture. Question 10 Correct 1.75 points out of 1.75 Flag question Question text How does the integumentary system contribute to osteoporosis? Select one: a. Lack of exposure to sunlight reduces vitamin D production and decreases calcium absorption. b. Immune cells resist infections and release chemicals that promote tissue repair. c. Excessive smoking lowers estrogen levels, which increases bone loss. d. Calcium ions released from the bones are excreted. e. Decreased estrogen levels following menopause contribute to the disease. Question 11 Correct 1.75 points out of 1.75 Flag question When comparing the female pelvis with the male pelvis, which of the following statements is false? Select one: a. The female pelvis is heavier. b. The ilium is more flared in the female pelvis. c. The ischial spines are further apart in the female pelvis. d. The subpubic angle is 90 degrees or greater in the female pelvis. e. The female pelvis is broader. Question 12 Correct 1.75 points out of 1.75 Flag question b. sacral hiatus c. superior articular facet d. median sacral crest Question 13 Correct 1.75 points out of 1.75 Flag question Question text Which of the following is a function of the vertebral column? Select one: a. It supports the weight of the body. b. It allows spinal nerves to exit the spinal cord. c. It serves as a passageway for the cranial nerves. d. It contains numerous foramens for the passageway of blood vessels. e. It protects the brain. Question 14 Correct 1.75 points out of 1.75 Flag question Question text b. vomer - forms the hard palate c. inferior nasal conchae - contain nasolacrimal canals d. zygomatic - provides attachment point for temporalis muscle Question 15 Correct 1.75 points out of 1.75 Flag question Question text In a herniated ("ruptured" or "slipped") disc, the ring of fibrocartilage called the cracks and the oozes out. Select one: a. nucleus pulposus; anulus fibrosus b. lamina; nucleus pulposus c. anulus fibrosus; nucleus pulposus d. anulus fibrosus; body e. nucleus pulposus; lamina Question 16 Correct 1.75 points out of 1.75 Flag question Question text b. kyphosis c. scoliosis d. spina bifida e. herniated disk Question 17 Correct 1.75 points out of 1.75 Flag question Question text The junction of two pubic bones is the Select one: a. anterior superior iliac spine. b. sacroiliac joint. c. symphysis pubis. d. iliac fossa. e. ischial tuberosity. Question 18 Correct 1.75 points out of 1.75 Flag question Question text b. clavicle articulates with the sternum. c. humerus articulates with the clavicle. d. humerus articulates with the scapula. e. radius articulates with humerus. Question 19 Correct 1.75 points out of 1.75 Flag question Question text The loss of height that occurs with aging is due to compression of the Select one: a. pelvic girdle. b. vertebral arches. c. vertebral bodies. d. vertebral foramen. e. intervertebral discs. Question 20 Correct 1.75 points out of 1.75 Flag question Question text a. cleft lip. b. cleft chin. c. cleft palate. d. deviated septum. e. clogged sinus.