Chapter 6 (AP I)

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mc166589
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Chapter 6 (AP I)
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2011-11-05 11:53:41
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Osseous Tissue Bone Structure
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Anatomy lecture test three.
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  1. The axial skeleton consists of which of the following?

    a) Pelvic Girdle
    b) Limbs
    c) Skull
    d) both a and c
    C
  2. Which of these is not a function of the skeletal system?

    a) Storage of minerals
    b) Blood Cell Production
    c) Leverage
    d) Heat Regulation
    e) Protection
    D
  3. What is the most abundant mineral in the body?

    a) Phosphate
    b) Sodium Bicarbonate
    c) Citrate
    d) Calcium
    D
  4. Which of these would be considered a Flat bone?

    a) Carpals
    b) Facial Bones
    c) Vertebrae
    d) Sternum
    D
  5. Which of the following would not be considered a long bone?

    a) Radius
    b) Tibia
    c) Ischium
    d) Femur
    C
  6. Which of the following would not be considered an Irregular bone?

    a) Facial Bone
    b) Sternum
    c) Vertebrae
    d) Bones of the Pelvis
    B
  7. Which of the following bones develop in tendons in the knee, hands, and feet?

    a) Flat bones
    b) Sutural bones
    c) Short bones
    d) Sesamoid bones
    D
  8. Which of the following would be considered a short bone?

    a) Carpals
    b) Ulna
    c) Tarsals
    d) Scapula
    e) Both A and C
    E
  9. Which of the following covers portions of the epiphysis ?

    a) Elastic Cartilage
    b) Metaphysis
    c) Articular Cartilage
    d) None of the above
    C
  10. Which of the following connects the epiphysis to the shaft?

    a) Diaphysis
    b) Compact bone
    c) Metaphysis
    d) Periosteum
    C
  11. Which of the following contain the medullary cavity?

    a) Metaphysis
    b) Osteocanal
    c) Diaphysis
    d) none of the above
    C
  12. Which of the following is the site of red blood cell production?

    a) Yellow bone marrow
    b) Red bone marrow
    c) Medullary bone marrow
    d) all of the above
    B
  13. What supplies the osteons of compact bone with blood?

    a) Metaphyseal artery
    b) Compact canal
    c) Nutrient artery
    d) Osculum
    C
  14. What carries blood to the metaphysis?

    a) Nutrient artery
    b) Osculum
    c) Metaphyseal artery
    d) Osteon
    C
  15. Which of the following are the most numerous bone cell types?

    a) Osteocytes
    b) Osteoblasts
    c) Osteoprogenitor cells
    d) Osteoclasts
    A
  16. Which of the following produce new bony matrix?

    a) Osteocytes
    b) Osteoblasts
    c) Osteoprogenitor cells
    d) Osteoclasts
    B
  17. Which of the following are important in fracture repair?

    a) Osteocytes
    b) Osteoblasts
    c) Osteoprogenitor cells
    d) Osteoclasts
    C
  18. Which of the following are mesenchymal cells that differentiate into other cells?

    a) Osteocytes
    b) Osteoblasts
    c) Osteoprogenitor cells
    d) Osteoclasts
    C
  19. Which of the following occupy lacunae?

    a) Osteocytes
    b) Osteoblasts
    c) Osteoprogenitor cells
    d) Osteoclasts
    A
  20. Which of the following are found in the lining of the periosteum?

    a) Osteocytes
    b) Osteoblasts
    c) Osteoprogenitor cells
    d) Osteoclasts
    C
  21. Which of the following remove bone matrix by secreting acids and proteolytic enzymes?

    a) Osteocytes
    b) Osteoblasts
    c) Osteoprogenitor cells
    d) Osteoclasts
    D
  22. Which of the following cells have 50+ nuclei?

    a) Osteocytes
    b) Osteoblasts
    c) Osteoprogenitor cells
    d) Osteoclasts
    D
  23. Which of the following accounts for one third of bone weight?

    a) Osteoblasts
    b) Elastic fibers
    c) Calcium phosphate
    d) Collagen fibers
    D
  24. Which of the following account for two thirds of bone weight?

    a) Osteoblasts
    b) Elastic fibers
    c) Calcium phosphate
    d) Collagen fibers
    C
  25. Which of the following are located in areas of bone which are not heavily stressed?

    a) Periosteum
    b) Osteon
    c) Trabeculae
    d) non of the above
    C
  26. What terms best describes the increase of diameter of existing bone growth?

    a) Longitudinal bone growth
    b) Appostional bone growth
    c) Osteogenisis
    d) none of the above
    C
  27. Which of the following is not a function of the periosteum?

    a) Isolate bone from surrounding tissue
    b) Route for blood and nervous supply
    c) Actively participate in bone growth and repair
    d) none of these are functions of the periosteum
    e) all of these are functions of the periosteum
    E
  28. Which of the following connect tendons, ligaments, and joint capsules to bones through periosteum?

    a) Collagen Fibers
    b) Elastic Fibers
    c) Peripheral Fibers
    d) Perforating Fibers
    D
  29. Which of the following are true about the Endosteum?

    a) It is an incomplete cellular layer lining medullary cavity
    b) Covers spongy bones and lines central canals
    c) Consists of a simle layer of Osteoprogenitor cells
    d) All of these are true
    D
  30. Which of the following disorders cause shortened bones?

    a) Pituitary growth failure
    b) Giantism
    c) Marfan Syndrome
    d) Achondroplasia
    e) Both a and d
    E
  31. Which of the following disorders leads to reduced epiphyseal cartilage activity and short bones?

    a) Pituitary growth failure
    b) Giantism
    c) Marfan Syndrome
    d) Achondroplasia
    A
  32. Which of the following disorders causes epiphyseal cartilage to grow slowly?

    a) Pituitary growth failure
    b) Giantism
    c) Marfan Syndrome
    d) Achondroplasia
    D
  33. Which of the following disorders cause lengthened bones?

    a) Pituitary growth failure
    b) Giantism
    c) Marfan Syndrome
    d) Achondroplasia
    e) Both B and C
    E
  34. Which of the following disorders cause excessive formation at epiphyseal cartilage?

    a) Pituitary growth failure
    b) Giantism
    c) Marfan Syndrome
    d) Achondroplasia
    C
  35. Which of the following disorders cause an overproduction of growth hormone before puberty?

    a) Pituitary growth failure
    b) Giantism
    c) Marfan Syndrome
    d) Achondroplasia
    B
  36. Which of the following disorders causes heterotopic or ectopic bone development due to gene mutation?

    a) Pituitary growth failure
    b) Fibrodysplasia ossificans progressiva
    c) Marfan Syndrome
    d) Acromegaly
    B
  37. Which of the following disorders cause growth hormone levels to rise after epiphyseal plates close?

    a) Pituitary growth failure
    b) Giantism
    c) Acromegaly
    d) Fibrodysplasia ossificans progressiva
    C
  38. Daily fluctuations of calcium is :

    a) 25%
    b) <10%
    c) <5%
    d) 32%
    B
  39. Which of the following structures do not regulate calcium in the body?

    a) Intestines
    b) Bones
    c) Liver
    d) kidneys
    C
  40. What hormone increases blood calcium levels?

    a) Calcitonin
    b) Parathyroid
    c) Calcium biphosphate
    d) Terathyroid
    A
  41. What Hormone decreases blood calcium levels?

    a) Calcitonin
    b) Parathyroid
    c) Calcium biphosphate
    d) Terathyroid
    B
  42. Which of the following is a response that follows the release of Parathyroid in the body?

    a) Kidneys have and increase release of the hormone calcitriol.
    b) Intestines decrease absorption of calcium.
    c) Bone decreases osteoclast activity.
    d) Kidneys inhibit calcitriol release.
    A
  43. Which of the following is a response that follows the release of Calcitonin in the body?

    a) Stimulation of osteoclasts to release calcium.
    b) Kidneys increase the release of calcitriol.
    c) Kidneys inhibit calcitriol release.
    d) Both a and b
    e) none of the above
    C
  44. Which of the following fractures can only be seen on an x-ray?

    a) Compound
    b) Transverse
    c) Compression
    d) Simple
    D
  45. Which of the following fractures project through the skin?

    a) Spiral
    b) Displaced
    c) Compound
    d) Greenstick
    C
  46. Which of the following fractures is associated with a breaking the shaft across the long axis?

    a) Compression
    b) Comminuted
    c) Transverse
    d) Compound
    C
  47. Which of the following fractures is produced by twisting stress?

    a) Spiral
    b) Circular
    c) Displaced
    d) Greenstick
    A
  48. Which of the following fractures are produce new and abnormal bone arrangements?

    a) Nondisplaced
    b) Displaced
    c) Greenstick
    d) Transverse
    B
  49. Which of the following fractures can be caused by extreme stress to the vertebrae?

    a) Decompression
    b) Displaced
    c) Comminuted
    d) Compression
    D
  50. Which of the following fractures is associated with one side of the bone being broken?

    a) Greenstick
    b) Transverse
    c) Saggital
    d) Displaced
    A
  51. Which of the following fractures generally occurs in children rather than adults?

    a) Transverse
    b) Simple
    c) Greenstick
    d) Comminuted
    C
  52. Which of the following fractures are associated with the shattering of the bone?

    a) Comminuted
    b) Fragmented
    c) Compound
    d) Open
    A
  53. Which of the following fractures occurs where bone matrix is calcifying?

    a) Pott
    b) Colles
    c) Epiphysial
    d) Transverse
    C
  54. Which of the following fractures takes place at the ankle and affects both leg bones?

    a) Colles
    b) Cominuted
    c) Pott
    d) Coronal
    C
  55. Which of the following fractures are associated with a break in the distal radius?

    a) Colles
    b) Pott
    c) Epiphyseal
    d) Comminuted
    A

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