Chapter 7 Test FORM A Write all answers on the answer sheet Chapter 7: Bones and skeletal tissue test 1. The most abundant type of skeletal cartilage is: A) Fibrocartilage C) Elastic B) Hyaline D) Expandic 2. Spongy bone consists of honeycomb, needle-like, flat pieces called: A) Lacunae B) Trabeculae C) Canaliculi D) Osteocytes 3. As the embryo develops, its cartilage skeleton becomes bone through the process of A) endochondral ossification B) intramembranous ossification C) interstitial ossification D) appositional osteogenesis 4. A greenstick facture A) is a common sports facture; a ragged break due to twisting forces B) occurs most often in people over 70 who experience trauma C) common in children; breaks incompletely with one side bending and one side breaking D) tends to occur where cartilage cells are dying and calcification of matrix is occurring 5. Formation of the bony callus in fracture repair is followed by A) hematoma formation B) fibrocartilaginous callus formation C) bone remodeling to convert woven bone to compact bone D) formation of granulation tissue 6. What type of cartilage connects the ribs to the sternum (breastbone)? A) elastic B) articular C) costal D) nasal 7. Which of the following bones is adapted to withstand stress? A) trabecular bone B) irregular bone C) Compact bone 8. A mass of clotted blood that forms at a fracture site is A) a callus C) a hematoma D) Spongy bone B) an ossification D) hematopoietic tissue 9. , secreted when blood calcium levels rise, inhibits bone resorption and encourages calcium deposit in the bone matrix. A) Parathyroid hormone (PTH) B) Vitamin D C) Growth hormone D) Calcitonin 10. Bones are constantly undergoing resorption for various reasons. Which of the following cells accomplishes this process? A) chondrocyte B) osteocyte C) osteoclast D) melanocyte Chapter 7: Bones and skeletal tissue test 11. Which hormone increases osteoclast activity to release more calcium ions into the bloodstream? A) thyroxine B) parathyroid hormone(PTH) C) calcitonin D) estrogen 12. Mechanical stress A) causes bone to thicken, develop heavy prominences or rearrange their trabeculae B) causes bones to weaken and breaks down the trabeculae C) increase the production of calcitonin D) closes the epiphyseal plate 13. A soccer player has a ragged break from excessive twisting forces. It is a A) spiral fracture B) comminuted fracture C) compression fracture D) greenstick fracture 14. A bone fracture that penetrates the skin is a A) simple fracture B) compound fracture C) closed fracture 15. Red bone marrow is A) osseous tissue C) Connective tissue B) adipose tissue D) hematopoietic tissue 16. A fracture in the shaft of the bone would break in the: A) articular cartilage B) epiphysis 17. The structural unit of compact bone is: A) lamellar bone B) the osteon D) complete fracture C) metaphysis C) spongy bone D) diaphysis D) osseous matrix 18. In a fracture, the broken bone ends return to their original location after the break. A) nondisplaced B) transverse C) complete D) Simple 19. Which of the following is NOT a way to classify fractures? A) position of the bone ends after the fracture B) completeness of the break C) the type of bone broken D) the orientation of the break to the long axis of the bone E) whether the bone ends penetrate the skin 20. Cartilage grows in two ways, appositional and interstitial. Appositional growth is: A) the lengthening of hyaline cartilage B) growth at the epiphyseal plate causing it to grow in length C) the section of new matrix against existing cartilage causing it to grow in width D) along the edges only Chapter 7: Bones and skeletal tissue test 21. Important anatomical landmarks that reveal sites of muscle attachment, points of articulation, and sites of blood vessel and nerve passage are A) bone markings B) appendages C) endochondrial sites D) sutures 22. Which of the following bones are part of the axial skeleton? A) breastbone, skull, vertebrae B) humerus, scapula, metatarsals C) femur, tibia, fibula D) mandible, ulna, carpals 23. The canal that runs through the core of each osteon (the Haversian canal) is the site of: A) yellow marrow and spicules B) cartilage and interstitial lamellae C) osteoclasts and osteoblasts D) blood vessels and nerve fibers 24. Vertebrae are considered A) short B) long bones. C) irregular D) flat 25. Which of the following is part of the appendicular skeleton? A) femur B) skull C) ribs D) clavicle 26. A bone fracture in which the bone fragments into three or more pieces is a A) simple fracture B) greenstick fracture C) comminuted fracture D) spiral fracture 27. Osteogenesis is the process of: A) bone healing C) bone formation B) bone remodeling D) bone formation and remodeling 28. What type of cartilage is highly compressible, has great tensile strength, and is found in the knee and the discs between the vertebrae? A) elastic B) hyaline C) articular D) fibrocartilage 29. During infancy and childhood, the most important stimulus of epiphyseal plate activity is: A) growth hormone B) differentiation of osteoclasts C) the secretion of bone matrix into the medullary cavity D) calcification of the matrix 30. In children the epiphyseal line is the A) canaliculi B) osteon C) Haversian canal D) epiphyseal plate 31. Which is NOT a bone marking: A) tuberosity B) canaliculi C) head D) epicondyle Chapter 7: Bones and skeletal tissue test 32. Red bone marrow is located A) in most irregular bones of an adult B) in the diaphysis in the long bones in an adult C) in the skull and pelvic bones of children only D) in trabecular cavities of spongy bones in flat bones and epiphyses of long bones 33. The patient is diagnosed as having a crushed vertebra. What type of fracture is it? A) compression B) comminuted C)greenstick D) spiral 34. Bones that continue to grow in length after adolescence are: A) skull and femur B) ribs and femur C) nose and jaw D) carpals and tarsals 35. Which if the following is NOT a function of the skeletal system? A) strength B) Storage of minerals C) production of blood cells (hematopoiesis) D) support and protection 36. The small spaces in bone tissue that are holes in which osteocytes are found are called: A) trabeculae B) perforating canals C) central canals D) lacunae 37. What type of cartilage is found at the ends of bones that form joints? A) elastic B) hyaline C) articular D) fibrocartilage 38. Which of the following correctly describes osteocytes? A) They break down the matrix of the bone B) They are mature bone cells that develop from osteoblasts C) They are the structural units of compact bones D) They are responsible for secreting the matrix of the bone 39. Yellow bone marrow contains a large percentage of: A) blood forming cells C) necrotic tissue B) elastic tissue D) fat 40. What process forms membrane bone from fibrous connective tissue membranes and in the results in the cranial bones and clavicle? A) intramembranous ossification B) endochondrial ossification C) skeletal ossification D) marrow ossification 41.A bone with approximately the same height, length , and width is most likely A) a long bone B) a short bone C) a flat bone D) an irregular bone 42. The cell responsible for secreting the matrix of bone is the: A) osteoclast B) chondrocyte C) osteocyte D) osteoblast Chapter 7: Bones and skeletal tissue test 43. The osteon is made up of layers of bone matrix called Haversian system. A) perforating canals B) lamellae C) canaliculi , that surround the D) trabeculae 44. Hydroxyapatite, which makes up 65% bone mass, is largely A) calcium phosphate B) calcium hydroxide C) calcium carbonate D) calcium peroxide 45. Which of the following hormones stimulate the growth of bone? A) Progesterone and estrogen B) estrogen, testosterone, and growth hormone C) Growth hormone and adrenaline D) calcitonin and growth hormone Chapter 7: Bones and skeletal tissue test Match the following parts with its name and write the letter on the answer sheet A Near body’s core 46. Diaphysis 47. Periosteum B 48. Compact bone 49. proximal epiphysis 50. distal epiphysis 51. medullary cavity G 52. Central Canal F E C D