A/P chapter 6 part 2

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  1. Regarding skeletal system function,

    A) tendons connect bone to bone
    B) all of these
    C) bone often serves as a model for cartilage growth.
    D) cartilage serves as an important mineral storage area.
    E) blood cells are produced in the marrow of many bones.
    E)
    (this multiple choice question has been scrambled)
  2. Which of these connective tissue types has proteoglycans in its matrix?

    A) ligaments
    B) cartilage
    C) both c and d
    D) bone
    E) tendons
    B)
    (this multiple choice question has been scrambled)
  3. Cells that produce new carilage matrix are called

    A) chondroblasts
    B) osteoblasts
    C) fibroblasts
    D) chondrocytes
    E) chondroclasts
    A)
    (this multiple choice question has been scrambled)
  4. The perichondrium

    A) covers the surface of articular cartilage
    B) contains mainly loose connective tissue
    C) is important for the storage of fat
    D) surrounds each lacuna in the matrix
    E) contains blood vessels and nerves
    E)
    (this multiple choice question has been scrambled)
  5. Cartilage

    A) is easily replaced if damaged
    B) has a good blood supply
    C) A and B
    D) receives nutrients and oxygen by diffusion
    E) often occurs in thin plates or sheets
    C)
    (this multiple choice question has been scrambled)
  6. Which of these correctly describes appositional growth of cartilage?

    A) fibroblasts produce new chondroblasts
    B) chondrocytes in the center of the carilage lay down new matrix
    C) new osteons are formed from osteoblasts
    D) chondroblasts in the perichondrium lay down new matrix
    E) canaliculi connect between chondrocytes to allow transport of nutrients.
    D)
    (this multiple choice question has been scrambled)
  7. Which of these bone type is NOT match with the correct example?

    A) irregular bone-vertebrae
    B) flat bone-scapula
    C) short bone-clavicle
    D) long bone-humerus
    C)
    (this multiple choice question has been scrambled)
  8. In a lone bone, the epiphyseal plate is

    A) located in the center of the diaphysis
    B) produced when the epiphyseal line changes to bone
    C) the outer membrane layer on the diaphysis
    D) the location where growth occurs
    E) the location for fat storage
    D)
    (this multiple choice question has been scrambled)
  9. Which portion of a long bone store yellow marrow in adults?

    A) periosteum
    B) the medullary cavity
    C) the epiphyseal plate
    D) the epiphysis
    E) compact bone
    B)
    (this multiple choice question has been scrambled)
  10. Which of these locations does NOT contain red marrow in an adult?

    A) proximal femur
    B) ribs
    C) skull
    D) sternum
    E) vertebrae
    C)
    (this multiple choice question has been scrambled)
  11. The outer layer of the bone, composed of dense, irregular, collagenous connective tissue that contains blood vessels and nerves is called

    A) concentric lamellae
    B) periosteum
    C) endosteum
    D) the diaphysis
    E) the epiphyseal plate
    B)
    (this multiple choice question has been scrambled)
  12. Which of these statements is NOT true regarding bone?

    A) osteocytes are found in lacunae
    B) osteoclasts break down bone
    C) osteocytes are osteoblasts that have become surrounded by matrix
    D) osteoblasts produce bone matrix
    E) osteocytes are connected to each other by Volkmann's canals.
    E)
    (this multiple choice question has been scrambled)
  13. Bundles of collagen fibers that penetrate the periosteum into the outer part of the bone are called

    A) epiphyses
    B) trabeculae
    C) endosteums
    D) diaphyses
    E) perforating fibers
    E)
    (this multiple choice question has been scrambled)
  14. Which of these substances is present in the largest quantity in a mature bone?

    A) lacunae cartilage
    B) proteoglycan aggregates
    C) collagen
    D) hydroxyapatite
    D)
    (this multiple choice question has been scrambled)
  15. Hydrogen ions are pumped across the ruffled border, producing an acid environment. This describes the activity of

    A) osteocytes
    B) osteoclasts
    C) osteoblasts
    B)
    (this multiple choice question has been scrambled)
  16. Fetal bone tissue that has collagen fibers randomly oriented in many directions is

    A) long bone
    B) lamellar bone
    C) short bone
    D) woven bone
    D)
    (this multiple choice question has been scrambled)
  17. Which of these structures is found in compact bone, but not in cancellous bone?

    A) canaliculi
    B) osteoclasts
    C) contral (haversian) canals
    D) osteocytes
    E) lamellae
    C)
    (this multiple choice question has been scrambled)
  18. Cancellous bone

    A) does not contain marrow
    B) has no osteocytes
    C) is composed of delicate interconnection rods or plates called trabeculae.
    D) forms the outer surface of most bones other than long bones.
    E) is located in the diaphyses of long bones
    C)
    (this multiple choice question has been scrambled)
  19. Which of these structures is found within an osteon?

    A) interstitial lamella
    B) periosteum
    C) all of these
    D) concentric lamella
    E) circumferential lamella
    D)
    (this multiple choice question has been scrambled)
  20. Given these passageways:
    1. canaliculi
    2. central (haversian) canal
    3. blood vessels in periosteum
    4. perforating (Volkmann's) canal

    A) 2,4,1,3
    B) 4,3,2,1
    C) 1,2,3,4
    D) 3,1,4,2
    E) 3,4,2,1
    E)
    (this multiple choice question has been scrambled)
  21. Which of these bones is produces at least partly by intramembranous ossification

    A) frontal
    B) all of these
    C) mandible
    D) clavicle
    E) pariental
    B)
    (this multiple choice question has been scrambled)
  22. Intramembranous ossification is usually complete by ___years of age, whereas endrochondral ossification is usually complete by ___ years of age.

    A) 10,25
    B) 5,10
    C) 10,2
    D) 25,5
    E) 2,25
    E)
    (this multiple choice question has been scrambled)
  23. Membrane-covered spaces between developing skull bones are called

    A) centers of ossification
    B) central canals
    C) perforating canals
    D) fontanels
    D) endochondral openings
    D)
    (this multiple choice question has been scrambled)
  24. Endrochondral ossification

    A) occurs primarily in the bones of the skull
    B) involves calcification of the cartilage matrix
    C) produces bone in connective tissue membranes.
    D) occurs when chondrocytes replace osteoblasts in the matrix
    B)
    (this multiple choice question has been scrambled)
  25. Secondary ossification centers

    A) are located in the fontanels
    B) appear during early fetal development
    C) are located in the diaphysis of the bone
    D) are locations for intramembranous ossification
    E) are located in the epiphysis of the bone
    E)
    (this multiple choice question has been scrambled)
  26. In endochondral ossification, the perichondrium that surrounded they hyaline carilage becomes

    A) circumferential lamellae
    B) peristeum
    C) osteons
    D) perfortating canals
    E) lacunae
    B)
    (this multiple choice question has been scrambled)
  27. Given these zones within the epiphyseal plate:
    1. zone of calcification
    2. zone of hypertrophy
    3. zone of proliferation
    4. zone of resting carilage
    arrange them in the correct order, form the epiphysis to the diaphysis.

    A) 4,3,2,1
    B) 3,2,1,4
    C) 1,2,3,4
    D) 1,3,4,2
    E) 2,4,1,3
    A)
    (this multiple choice question has been scrambled)
  28. Growth in the length of a lone bones stops when

    A) the epiphyseal plate becomes completely ossified.
    B) appositional growth as the periosteum stops
    C) intramembranous ossification is complete
    D) the articular carilage becomes completely ossified
    A)
    (this multiple choice question has been scrambled)
  29. Which type of bone growth is responsible for an increae in the diameter of bones?

    A) endochondral growth
    B) intramembranous growth
    C) interstitial growth
    D) trabecular growth
    E) appositional growth
    E)
    (this multiple choice question has been scrambled)
  30. Which of these statements concerning bone growth are correct?

    A) increased amounts of testosterone and estrogen cause a rapid increase in bone growth.
    B) Too little growth hormone can cuase a condition called acromegaly
    C) Testosterone and estrogen prevent ossification of the epiphyseal plate.
    D) arhondroplastic dwarfism is caused by too much thyroid hormone
    E) too much growth hormone can cause dwarfism
    A)
    (this multiple choice question has been scrambled)
  31. Arrange the following events in the correct order of occurrence after a bone is broken.
    1. osteoblasts produce ossification
    2. hematoma formation
    3. internal fibrocartilage callus and external bone-carilage callus formation
    4. woven bone is remodeled to form compact bone

    A) 1,2,3,4
    B) 2,3,4,1
    C) 2,4,1,3
    D) 2,3,1,4
    E) 2,4,3,1
    D)
    (this multiple choice question has been scrambled)
  32. PTH is secreted from the ____, whereas calcitonin is secreted from the _____.

    A) thyroid gland, parathyroid gland
    B) parathyroid gland, thyroid gland
    C) adrenal gland, thyroid gland
    D) pancreas, pituitary
    E) thyroid gland, pancreas
    B)
    (this multiple choice question has been scrambled)
  33. Parathyroid hormone causes

    A) increased bone breakdown
    B) all of these
    C) increased calcium lost in the urine
    D) increased chondroblast activity
    E) decreased blood calcium levels
    A)
    (this multiple choice question has been scrambled)
  34. Which of these is NOT a function of bone?

    A) vitamin D storage
    B) internal support and protection
    C) calcium and phosphate storage
    D) blood cell production
    E) provides attachment for the muscles
    A)
    (this multiple choice question has been scrambled)
  35. The extrcellular matrix for hyaline cartilage

    A) is produced by chondroblasts
    B) contains collagen
    C) contains proteoglycans
    D) is usually convered by the perichondrium
    E) all of the above
    E)
  36. Chondrocytes are mature cartilage cells found within the ____, and they are derived from ______.

    A) lacunae, chondroblasts
    B) perichondrium, chondroblasts
    C) perichondrium, fibroblasts
    D) lacunae, fibroblasts
    A)
    (this multiple choice question has been scrambled)
  37. Which of these statements concerning carilage is correct?

    A) articular cartilage has a thick perichondrium layer
    B) appositional growth of carilage occurs when chondrocytes within the tissue add more matrix from the inside
    C) the perichondrium has both chondrocytes and osteocytes
    D) chondrocytes receive nutrents and oxygen from blood vessels in the matrix
    E) cartilage often occurs in thin plates or sheets
    E)
    (this multiple choice question has been scrambled)
  38. A fracture in the shaft of a bone is a break in the

    A) epiphysis
    B) perichondrium
    C) articular cartilage
    D) diaphysis
    D)
    (this multiple choice question has been scrambled)
  39. The periosteum

    A) becomes continuous with collagen fibers of tendons or ligaments
    B) contains only osteoblasts
    C) covers the outer and internal surfaces of bone
    D) is an epithelial tissue membrane
    E) has a single fibrous layer
    A)
    (this multiple choice question has been scrambled)
  40. Osteochondral progenitor cells

    A) can become osteoblasts or chondroblasts
    B) are derived from mesenchymal stem cells
    C) are located in the perichondrium, periosteum, and endosteum
    D) do not produce osteoclasts
    E) all of the above
    E)
  41. Lamellar bone

    A) is the first type of bone formed during early fetal development
    B) is mature bone
    C) has collagen fibers randomly oriented in many directions.
    D) is remodeled to form woven bone
    E) all of the above
    B)
    (this multiple choice question has been scrambled)
  42. Central canals

    A) are where blood cells are produced
    B) are lined with periosteum
    C) are found only in cancellous bone
    D) connect perforating canals to canaliculi
    E) connect cancellous bone to compact bone
    D)
    (this multiple choice question has been scrambled)
  43. The type of lamellae found in osteons is ____ lamellae.

    A) interstitial
    B) concentric
    C) circumferential
    B)
    (this multiple choice question has been scrambled)
  44. Cancellous bone consists of interconnecting rodes or plates of bone called

    A) osteons
    B) circumferential lamellae
    C) trabeculae
    D) a haversian system
    E) canaliculi
    C)
    (this multiple choice question has been scrambled)
  45. Given these events:
    1. osteochondral progenitor cells become osteoblasts
    2. connective tiisue memebrane is formed
    3. osteoblasts produce woven bone
    which sequence best describes intramembranous bone formation?

    A) 2,1,3
    B) 2,3,1
    C) 1,3,2
    D) 3,2,1
    E) 1,2,3
    A)
    (this multiple choice question has been scrambled)
  46. Given these processes:
    1. chondrocytes die
    2. cartilage matrix calcifies
    3. chondrocytes hypertrophy
    4. osteoblasts deposit bone
    5. blood vessels grow into lacunae
    Which sequence best represents the order in which they occur during endochondral bone formation?

    A) 3,2,5,1,4
    B) 5,2,3,4,1
    C) 3,2,1,5,4
    D) 3,2,1,4,5
    E) 3,5,2,4,1
    C)
    (this multiple choice question has been scrambled)
  47. Intramembranous bone formation

    A) is responsible for growth in diameter of a bone
    B) gives rise to the flat bones of the skull
    C) produces articular cartilage in the lone bones.
    D) occurs within a hyaline cartilage model
    E) occurs at the epiphyseal plate
    B)
    (this multiple choice question has been scrambled)
  48. The ossification regions formed during early fetal development

    A) become the epiphyses
    B) become medullary cavities
    C) are secondary ossification centers
    D) are primary ossification centers
    E) become articular cartilage
    D)
    (this multiple choice question has been scrambled)
  49. During growth in length of a long bone, cartilage is formed and then ossified. The location of the ossification is the zone of

    A) resting cartilage
    B) calcification
    C) proiferation
    D) hypertrophy
    B)
    (this multiple choice question has been scrambled)
  50. Given these processes:
    1. an osteon is produces
    2. osteoblasts from the periosteum form a series of ridges
    3. the periosteum becomes the endosteum
    4. osteoblasts lay down bone to produce a concnetric lamella
    5. grooves are changed into tunnels
    Which sequence best represents the order in which these processes occur during growth in width of a long bone?

    A) 3,4,2,1,5
    B) 1,4,2,3,5
    C) 2,5,3,4,1
    D) 4,2,1,5,3
    E) 5,4,2,1,3
    C)
    (this multiple choice question has been scrambled)
  51. Chronic vitamin D deficiency results in which of these consequences?

    A) scurvy occurs
    B) the percentage of bone composed of hydroxyapatite increases
    C) bones become brittle
    D) bones becomes soft and pliable
    E) both A and B
    D)
    (this multiple choice question has been scrambled)
  52. Estrogen

    A) tends to prolong the growth phase of the epiphyseal plates
    B) stimulates a burst of growth at puberty
    C) causes a long growth period i females than testosterone causes in males
    D) causes a later closure of the epiphyseal plate than does testosterone
    E) all of the above
    B)
    (this multiple choice question has been scrambled)
  53. Bone remodeling can occur

    A) when woven bone is converted into lamellar bone.
    B) as bones are subjected to varying patterns of stress
    C) as a long bone increases in diameter
    D) when new osteons are formed in compact bone
    E) all of the above
    E)
  54. Given these processes:
    1. cartilage ossification
    2. external callus formation
    3. hematoma formation
    4. internal callus formation
    5. remodeling of woven bone into compact bone
    Which sequence best represents the order in which the processes occur during repair of a fracture?

    A) 1,2,3,4,5
    B) 3,4,2,1,5
    C) 2,4,3,1,5
    D) 5,3,4,2,1
    E) 4,1,5,2,3
    B)
    (this multiple choice question has been scrambled)
  55. Which of these processes during bone repair requires the longest period of time?

    A) external callus formation
    B) cartilage ossification
    C) remodeling of woven bone into compact bone
    D) heratoma formation
    E) internal callus formation
    C)
    (this multiple choice question has been scrambled)
  56. In the secretion of parathyroid hormone (PTH) increases, osteoclast activity ___, and blood Ca2+ levels_____.

    A) decreases, decrease
    B) decreases, increase
    C) increases, decrease
    D) increases, increase
    D)
    (this multiple choice question has been scrambled)
  57. Osteoclast activity is inhibited by

    A) sex hormones
    B) thyroid hormone
    C) growth hormone
    D) parathyroid hormone
    E) calcitonin
    E)
    (this multiple choice question has been scrambled)
Author:
tracyblome
ID:
40573
Card Set:
A/P chapter 6 part 2
Updated:
2010-10-08 02:10:22
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A/P chapter 6 part 2
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