muscle test

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  1. Which o the following is NOT a muscle used for mastication?

    A. orbicularis oculi
    B. medial pterygoid
    C. temportalis
    D. lateral pterygoid
    E. masseter
    A. orbicularis oculi
    (this multiple choice question has been scrambled)
  2. Contractiono the longissimus capitis on the right side of the body

    A. extends the upper arm
    B. rotates the head to the right
    C. flexes the upper arm
    D. rotates the head to the left
    B. rotates the head to the right
    (this multiple choice question has been scrambled)
  3. A muscle with the name rhomboideus would be likely to have which of the following characteristics?

                a.  triangle shaped

                b.  diamond shaped

                c.  located superficially

                d.  located deep

                e.  has fibers that run perpendicular to the midline
    b. diamond shaped
  4. What muscle caves in the cheeks and is used in sucking?

                a.  platysma

                b.  zygomaticus major

                c.  corrugator supercilii

                d.  orbicularis oris

                e.  buccinator
    e. buccinator
  5. The sternocleidomastoid attaches to what bones?
    • Clavicle
    • sternum
    • temporal bone
  6. When muscles are named to indicate their size or shape, what term means “has four origins”?
  7. The rectus abdominis and iliocostalis thoracis are examples of muscles that move the
    vertebral column
  8. The muscle that flexes the forearm is the

                a.  supinator

                b.  deltoid

                c.  triceps brachii

                d.  biceps brachii

                e. zygomaticus
    d. biceps brachii
  9. The sartorius is the _____________ muscle in the body.

                a.  shortest

                b.  longest

                c.  strongest

                d.  weakest

                e.  most superficial
    b. longest
  10. What is one of the “hamstring” muscles?
    • biceps femoris
    • semitendenosus
    • semimembraneous
  11. Which of the following moves the foot?

                a.  gluteus maximus

                b.  gracilis

                c.  tibialis anterior

                d.  biceps femoris

                e.  biceps brachii
    c. tibialis anterior
  12. The calcaneal tendon (Achilles tendon) is attached to the ___________ muscles.

                a.  tibialis anterior and gastrocnemius

                b.  soleus and gastrocnemius

                c. soleus and tibialis anterior

                d.  tibialis anterior and gracilis      

                e.  gracilis and soleus
    b.  soleus and gastrocnemius
  13. As people age, muscle fibers become progressively replaced

                a.  water

                b.  carbohydrates

                c.  fat

                d.  antibodies

                e.  protein
    c.  fat
  14. The latissimus dorsi moves the

                a.  head                       

                b.  arm                        

                c.  hand

                d. leg

                e.  foot
    b. arm
  15. The part of the muscle fiber that is equivalent to the plasma membrane of an epithelial cell is the

                a.  sacromere                                     d.sarcoplasm

                b.  sarcoplasmic reticulum                  e.sarcophagus

                c.  sarcolemma
    c.  sarcolemma
  16. What is the main protein in thick filaments?
  17. A sarcomere extends from one ______________ to the next

                a.  H zone                                            d.  A band

                b.  transverse tubule                            e. M line

                c.  Z disc (Z line)
    c. Z disc (Z line)
  18. Where are calcium ions stored in a muscle fiber?

    a.  thick filaments                            d.sarcolemma

    b. thin filaments                               e.sarcoplasmic reticulum

    c. sarcoplasm
    e.sarcoplasmic reticulum
  19. The region that has only thin filaments in a relaxed muscle
    is the

                a.  sarcomere

                b.  Z disc (Z line)

                c.  I band

                d.  A band

                e.  H zone
    C. I band
  20. Which of the following lists is arranged in order from smallest to largest?

                a.  myofibril, muscle fiber, sarcomere, fascicle

                b.  fascicle, sarcomere, myofibril, muscle fiber

                c.  fascicle, myofibril, sarcomere, muscle fiber

                d. sarcomere, myofibril, fascicle, muscle fiber

                e. sarcomere, myofibril, muscle fiber, fascicle
    e. sarcomere, myofibril, muscle fiber, fascicle
  21. What fluid is found in the transverse tubules?

                a.  sarcoplasm

                b.extracellular fluid

                c. plasma

                d.  pure water
    b.extracellular fluid
  22. Calcium ions combine with what regulatory molecule to start the process that leads to muscle contraction?

  23. What are the components of a motor unit?
    A motor neuron and the skeletal musckle fiber it stimulates
  24. Rigor mortis occurs because

                a.  cross bridges attach but can’t detach

                b. cross bridges can’t attach  

                c. all the parts of the muscle fibers are disintegrating

                d.  there is no calcium in the muscle fibers

                e.  there is no potassium in the muscle fibers
    a.  cross bridges attach but can’t detach
  25. Muscle tone is maintained because

                a.  a few muscle fibers are contracted voluntarily at any particular time

                b.  a few muscle fibers are contracted involuntarily at any particular  time
    b.  a few muscle fibers are contracted involuntarily at any particular  time
  26. At starting lengths that are longer than the ideal length,
    less tension is produced when a muscle fiber contracts because
                a.  the thick filaments are crumpled

                b.  the thin filaments have been pulled loose
                     from their attachments

               c. calcium ions can’t reach the myosin binding sites

                d.  there is no refractory period

                e.  fewer cross bridges can bind
    e. fewer cross bridges can bind
  27. The process of increasing the number of active motor units
    is called

                a.  contraction                                     d. recruitment

                b.  relaxation                                       e.  summation

                c. fixation
    d. recruitment
  28. Another name for wave summation is

         a.  temporal summation                    d. twitch contraction

         b.  recruitment                                  e.  the latent period

         c.  complete tetanus
    a. temporal summation
  29. The muscle fibers that are best suited for rapid intense
    movements of short duration are

                a.  slow-twitch fibers

                b.  fast-twitch fibers

                c.  fast oxidative fibers
    b. fast-twitch fibers
  30. The part of a twitch contraction in which calcium is
    released and slack taken up in the system is the

       a.  temporal period                    d. refractory period

       b.  relaxation period                   e. latent period

       c.  tetanus period 
    e. latend period
  31. Which of the following is NOT a characteristic of slow-twitch fibers?

                a.  Are red in color

                b. Have a high glycogen content

                c.  Have abundant mitochondria

                d.  Have abundant capillaries

                e.  Have abundant myoglobin
    b. Have a high glycogen content
  32. Sections of quadriceps femoris:
    • rectus femoris
    • Vastus medialis
    • Vastus lateralis
    • vastus intermedius
  33. dislocation
    displacement of bone from a with tearing of ligamets, tendons, and articular capsules
  34. subluxation
    partial dislocation, some of articular cartilage remains in contact
  35. sprain
    involves injury of ligaments without dislocation
  36. rheumatism
    painful state of supporting structues -- bones, ligaments, joints, tendons, or muscles
  37. arthritis
    form of rheumatism in which in which joints are inflamed
  38. gout
    uric acid builds up in blood, is deposited as sodium urate in joints, kidneys, and cartilage of ears
  39. extensibility
    muscle tissue can be stretched without damage, up to a certain point
  40. elasticity
    muscle tissue returns to its original shape after contraction or extension
  41. skeletal muscle:
    striated or not striated
    volentary or unvolentary
    number of nucleus/i??
    • striated and volentary
    • 100's of nuclei
  42. cardiac muscle:

    striated or not striated
    volentary or involentary
    number of nucleus/i??
    • striated and involentary
    • one centrally-placed nucleus
  43. smooth muscle:

    striated or not striated
    volentary or involentary
    number of nucleus/i??
    involentary, not striated, 100's of cells
  44. number of skeletal muscles
  45. muscle fiber aka myofiber is surrounded by?
  46. fascicle:

    composed of?
    surrounded by?
    • contains 10 to 100 fibers
    • perimysium
  47. whole muscle is surrounded by?
  48. aponeurosis is?
    broad, flat layer that attaches to bone, another muscle or skin
  49. what is a myofibril?
    is the primary component that makes up muscle fiber
  50. rectus means?
    straight; parallel to midline
  51. transverse
    perpendicular to midline
  52. Oblique
    fibers are oriented diagonally to the midline
  53. brevis
  54. rhomboideus
    diamond shaped
  55. what is concidered an agonist?
    muscle responcible for desired movements
  56. What is an antagonist?
    muscle responcible for the opposite movement
  57. Inspiration (breathing in) muscles involved?
    • downward movement of diaphragm
    • external intercostals contraction move ribs upward and outward
  58. expiration (breathing out)
    Diaphragm: upward movement when diaphragm relaxes
  59. muscles used for chewing:
    • temporalis
    • masseter
    • lateral pterygoid
    • medial pterygoid
  60. frontalis moves
    eyebrows up
  61. orbicularis oris
    closes lips, shapes lips
  62. buccinator
    caves cheeks in for sucking
  63. zygomaticus
    move corner of mouth up and out as in smiling
  64. orbicularis oculi
    closes eyes
  65. platysma
    moves lower lip inferiourly and posteriorly as in pouting
  66. sternocleidomastoid
    • when one flexes, turns head
    • both flexes the neck
  67. longissimus capitis
    • contraction of both raises the head
    • one contracting, rotates to the side of the contracting muscle
  68. What is the name of the plasma membraine in muscle cells?
  69. cytoplasm of a muscle fiber
  70. what are the three kinds of filaments and what are they made of?
    • thick: myosin
    • thin: actin
    • elastic: titin aka connectin
  71. sacroplasmic reticulum stores what?
    Ca 2+
  72. Sacromeres have two what?
    Two transverse tubules (T Tubules)
  73. What is in the I band?
    Thin filiments
  74. What is in the H band
    has only thick filiments
  75. A band has?
    both thick and thin filiments
Card Set:
muscle test
2012-11-07 04:20:28
muscles quiz herrington

first quiz of muscles
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