skeletal system 1

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frogginma2003
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173219
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skeletal system 1
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2012-10-07 15:38:20
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skeletal system
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Skeletal system Quiz 1
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  20. 1.  The bones in the wrist are examples of

                a.  long bones

                b.  short bones

                c.  flat bones

                d.  irregular bones

                e.  sutural bones
    The bones in the wrist are examples of:

    b.  Short Bones
  21. 2.  Osteoclasts

                a.  lay down new bone

                b.  produce new cartilage

                c.  dissolve bone by secreting an alkaline solution

                d.  dissolve bone by secreting an acid solution

                e.  are found in pockets in the matrix.  Their function  is to maintain bone.
    d.  Osteoclasts dissolve bone by secreting an acid solution.
  22. 3.   A trochanter is

                a.  a ridge on a bone

                b.  an elongated cleft

                c.  a canal through a bone

                d.  a hollow space within a bone

                e.  a large rough process
    A trochanter is a large rough process
  23. 4.  The main mineral in the matrix of  bone is

                a.  hydroxyapatite

                b.  hydrogen peroxide

                c.  hydroxyacyl dehydrogenase

                d.  hydroxylamine

                e.  hydroxylase
    The main mineral in the martix of bone is hydroxyapatite
  24. 5.  What is the
    typical number of bones in the appendicular division of the skeletal system?

                a.  60

                b.  80

                c.  126

                d.  206

                e.  261
    The typical number of bones in the appendicular division of the skeletal system is 126
  25. 6.  Trabeculae are the main component of

                a.  compact bone

                b.  spongy bone

                c.  red bone marrow

                d.  yellow bone marrow

                e.  the periosteum
    Trabeculae are the main component of spongy bone
  26. 7.  The coronal suture joins what bones?

                a.  right and left parietal bones

                b.  temporal bones and occipital bone

                c.  frontal bone and parietal bones

                d.  frontal bone and zygomatic bones

                e.  temporal bones and maxillae
    The coronal suture joins the frontal bone and parietal bones
  27. 8.  Fontanels are

                a.  hollow spaces within bones

                b.  extensions of bones that make an angle to the
    rest of the structure

                c.  a passageway for blood vessels or nerves
    through a bone

                d.  membrane-filled spaces between bones

                e.  prominent ridges on bones
    Frontanels are membrane filled spaces between bones at birth
  28. 9.  The smallest bones
    in the skull are the

                a.  zygomatic bones

                b.  maxillae

                c.  nasal bones

                d.  inferior nasal conchae

                e.  lacrimal bones
    e. lacrimal bones
  29. 10.  The hard palate is formed by parts of the

                a.  maxillae

                b.  zygomatic bones

                c.  palatine bones

                d.  maxillae and palatine bones

                e.  maxillae, palatine bones, and zygomatic bones
    d. maxillae and palatine bones
  30. 11.  Which of the following attach to the hyoid bone?

                a.  the auditory ossicles

                b.  the soft palate

                c.  the vomer

                d.  tongue muscles

                e.  the mandible
    c. tongue muscles
  31. 12.  Which of the following are the primary curves of the vertebral column?

                a.  cervical and thoracic

                b.  cervical and sacral

                c.  cervical and lumbar

    d. 
    thoracic and sacral

                e.  thoracic and lumbar
    d. thoracic and sacral
  32. 13.  The atlas articulates with the

                a.  temporal bone

                b.  sternum

                c.  occipital bone

                d.  first (most superior) pair of ribs

                e.  vomer
    C. occipital bone
  33. 14. What are the components of a pectoral girdle?

                a.  one clavicle and one scapula

                b.  two clavicles and two scapulas

                c.  one clavicle, one scapula, and the sternum

                d.  two clavicles, two scapulas, and the sternum

                e.  two clavicles, two scapulas, the sternum, and
    the first thoracic vertebra
    a. one clavicle and one scapula
  34. 15.  Which pairs of ribs are called false ribs?

                a.  1-7

                b. 1-10

                c. 8-10

                d.  8-12

                e.  10-12
    d. 8-12
  35. 17.  The clavicle articulates with

                a.  the sternum

                b.  the scapula

                c.  the first thoracic vertebra

                d.  the sternum and scapula

                e.  the sternum, scapula, and first thoracic
    vertebra
    b. the scapula
  36. 18.  There are a total of ______ tarsal bones and __________ carpal bones in the body.

                a.  7, 8

                b.  8, 7

                c.  14, 16

                d.  16, 14

                e.  16, 16
    c. 14, 16
  37. 19.  Which of the following describes the bones in the thumb?

                a.  1 phalanx

                b.  2 phalanges

                c.  3 phalanges

                d.  a metacarpal bone and a phalanx

                e.  a metatarsal bone and a phalanx
    b. 2 phalanges
  38. 20.  The superior region of the coxal bone is the

                a.  pubic symphysis

                b.  pubis

                c.  ilium

                d.  ischium

                e.  sacroiliac joint
    a. pubic symphysis
  39. 21.  Canaliculi provide for connections between

                a.  tarsal bones

                b.  carpal bones

                c.  skull bones
             
                d. osteocytes

                e. chondrocytes
    d. osteocytes
  40. 22.  The xiphoid process is part of the

                a.  sternum

                b.  clavicle

                c.  coccyx

                d.  coxal bone

                e.  scapula
    a. sternum
  41. 23.  The glenoid
    cavity articulates with the

                a.  clavicle

                b.  femur

                c.  sacrum

                d.  humerus

                e.  sternum
    d. humerus
  42. 24.  The obturator
    foramen is a feature of the

                a.  clavicle

                b.  coxal bone

                c.  coccyx

                d.  cranium

                e.  coracoid process
    b. coxal bone
  43. 25a.  Name two components of the skeletal system besides bone and cartilage.
    • pick 2 of:
    • a. Red marrow
    • b. Yellow marrow
    • c. periosteum
    • d. ligaments
  44. 26.  A pelvis from a male generally ___________ than a pelvis from a female.

                a.  has a flatter greater pelvis

                b.  has a pubic arch with a smaller angle

                c.  is less massive

                d.  has an acetabullum that faces more anteriorly
    b. has a pubic arch with a samller angle
  45. 27.  The distal end of the femur articulates with the

                a.  fibula

                b.  tibia

                c.  fibula and patella

                d.  tibia and patella

                e.  fibula, tibia, and patella
    b.  tibia and patella
  46. 28.  A hand has ______
    phalanges; a foot has ________ phalanges.

                a.  14, 15

                b.  15, 14

                c.  14, 14

                d.  15, 15
    c. 14, 14
  47. 29.  The concentric layers of bone in the osteons are called
    lamellae

    la-mel-lae
  48. 30.  A shallow depression on the surface of a bone is called a(n)
    fossa
  49. 31.  The only type of bone cell that can divide is the
    osteoprogenitor

    osteo-pro-gen-itor
  50. 32.  Name an unpaired cranial bone other than the frontal or occipital bones.
    8 cranial bones

    FOSE (1) - PT (2)

    • Unpair
    • Frontal
    • Occipital
    • Sphenoid
    • Ethmoid

    • Paired
    • Parietal
    • Temporal
  51. 33.  The high point on
    the shoulder is formed by the _____________________________, which is a
    region of the _____________________________________.
    The high point on the shoulder is formed by the acromion, which is a region on the pectoral girdle aka shoulder girdle.
  52. 35.  The scientific term for “swayback” is
    Lordosis
  53. 36.  What is the heaviest and strongest bone in the body?
    Femur
  54. 37.  Ossification begins at

                a. about 2-3 weeks of prenatal (before birth) life

                b. about 7-8 weeks of prenatal life

                c. about 3-4 months of prenatal life

                d. about 7-8 months of prenatal life
    b. about 7-8 weeks of prenatal life
  55. 38.  If bones do not form within hyaline cartilage, the most usual other location is within

                a.  the epidermis

                b.  the upper part of the dermis

                c.  the lower part of the dermis

                d.  the subcutaneous layer
    c. the lower part of the dermis
  56. 39.  Bones stop
    growing in length because the activity of the __________ slows and that

           of the
    _____________ accelerates.   

                a.  osteoclasts, osteoblasts

                b.  osteoblasts, osteoclasts

                c.  osteoblasts, chondrocytes

                d.  chondrocytes, osteoblasts

                e.  chondrocytes, osteoclasts
    b. osteoblasts, osteoclasts
  57. 40.  The continuing
    replacement of old bone tissue by new tissue is called

                a.  bone renewal

                b.  bone regeneration

                c.  bone restoration

                d.  bone renovation

                e.  bone remodeling
    e. bone remodeling
  58. 41.  Excessive, imbalanced replacement of old bone tissue by new tissue is characteristic of

                a. osteoporosis

                b.  osteochondrosis

                c.  osteosarcoma

                d.  Paget’s disease

                e.  lupus
  59. 42.  The type of bone formation in which bone forms in hyaline cartilage is called

          
    _________________________________ ossification.
    endochondral
  60. 43.  The endosteum

                a.  lines the medullary cavity

                b.  covers a bone

                c.  covers a tendon

                d.  is between the dermis and the epidermis

                e.  is between the dermis and the subcutaneous
    layer
    a. lines the medullary cavity
  61. 44.  Hemopoiesis is
    the production of

                a.  blood

                b.  bone

                c.  cartilage

                d.  serous membranes

                e.  mucous membranes
    a. blood
  62. 45. The anatomical term for the expanded end of a long bone
    is the
    epiphysis
  63. 46.  The scientific
    term for the growth plate in long bones is the
    diaphysis
  64. 16.  The olecranon can
    be felt as the

                a.  bump at the back of the head

                b.  bump on the inside of the ankle

                c.  bump on the outside of the ankle

                d.  point of the elbow

                e.  top of the hip bone
    d. point of the elbow
  65. What does a lack of vitamin D lead to in terms of bone growth?
    A lack of vitamin D leads to rickets.
  66. Where does growth occur in bone?
    epiphyseal plate
  67. Osteoblasts are found where and do what?
    Osteoblasts are found on the surface of bone and they lay down new bone. 
  68. What are the steps in bone repair?
    • 1. clots form (fracture hematoma)
    • 2. Capillaries grow into the clot
    • 3. Damaged tissue is removed
    • 4. A procallus forms which is then changed into a suft callus with fibrocartige
    • 5. Osteoblasts develop and produce trabeculae, forming a hard callus
    • 6. The callus is remodeled
  69. With osteoprotosis how does the bone mass decrease?
    Bone mass is decreased because activity of osteoclsts exceeds that of the osteoblasts.
  70. What is Paget's disease?
    Paget's disease occurs when too much remodeling occurs, resulting in irregular thickening and thinning of bones.
  71. What motion does a Gliding joing provide?  Also, give an example.
    Gliding joints allows side to side motion.  Examples are between ribs and vertebrae.
  72. What motion does an hinge joint allow and give an example.
    Convex and concave surfaces match to allow motion mostly in one plane.  For example, the knee and elbow.
  73. What motion does a pivot joint allow, give an example.
    • Pivot joint are rounded and pionted surface on one bone is in a ring formed by another bone and a ligament; allows rotation
    • Examples are the atlas rotates around the extension from axis proximal part of th eulna and radius to turn palms forward and backward
  74. Ellipsoidal joint, what motion does it allow and give an example.
    Ellipsoidal joint, Oval shaped condyle fits into elliptical cavity; it allows circular motion.  Example: joint between radius and wrist
  75. Saddle joint.  define, moiton, and example
    A saddle-shaped bone joins with one shpaed linke the legs of a rider.  Example: joint between a carpal bone and the metacarpal of the thumb.  Allows oppositon of the thumb. (can touch each finger tip.  aposable thumbs.
  76. Ball and socket. 
    Ball like surface fits a cuplike depression; only examples are shoulder and hip, and they allow movement in three planes.
  77. What are bursae
    saclike structures with fluid -- help eliminate friction between moving parts.
  78. Articular discs (_______) found in some synovial joints such as knee
    Are pads of fibrocartilage between the articular surfaces of the bones
  79. Types of motion
    • 1. flexion
    • 2. extension
    • 3. hyperextention
    • --- adduction
    • --- abduciton
  80. flexion
    decreases angle

    ex) bending arm at the elbow
  81. extension
    increases angle

    Ex) straightening a bent arm
  82. Adduction
    movement toward the longitudinal axis of the body

    Memory device --  add to body
  83. abduction
    movement away from longitudinal axis

    Ex) raising arm from side
  84. Dislocation
    • Displacement of a bone from a joint with tearing of ligaments, tendons, and articular capsules
    • ~ none of articular cartilage remians in contact
  85. Subluxation
    partial dislocation, some of articular cartilage remains in contact
  86. In the 1st order lever, which is in the middle: folcrum, resitance, or effort.  Also give an example.
    In 1st order lever, the folcrum is in the middle.  An example is way the head balances on the spine.  The muscle gives the effort.
  87. In the 2nd order lever, which is in the middle: folcrum, resitance, or effort.  Also give an example.
    With 2nd order levers, resistance is in the middle.  An example is the madible. 
  88. In the 3rd order lever, which is in the middle: folcrum, resitance, or effort.  Also give an example.
    The 3rd order of lever is the most common type.  It has effort in the middle.  Examples are elbows and knees.

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