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Part 1 Muscle Quiz: Due in class Monday

  1. What is the fundamental contractile unit of muscle tissue?
    1. The Sarcomere
    2. The fascicle
  2. In the case of skeletal muscle, what is the term “fiber” synonymous with?
    1. Sarcolemma
    2. Cell
  3. What is the primary component of the thick filaments
    1. Actin subunits
    2. Myosin molecules
  4. The sarcomere is defined as the region between
    1. Two successive z discs
    2. The thick and thin filaments
  5. Whole muscles are wrapped in a connective tissue sheath called the:
    1. Epimysium
    2. Perimysium
  6. Which protein covers the myosin binding site on the thin filament in a resting muscle?
    1. Tropomyosin
    2. Troponin
  7. Intracellular levels of  _____________ are maintained by the sarcoplasmic reticulum
    1. Ionic calcium
    2. Sarcoplasmic ATP
  8. The t tubules are extensions of the
    1. Sarcoplasmic reticulum
    2. Sarcolemma
  9. The connective tissue sheath that packages muscle fibers into fascicles is known as the
    1. Perimysium
    2. Endomysium

10. Which muscle tissue type is striated?

  1. Smooth muscle
  2. Cardiac muscle
  3. 11.  Which muscle tissue type is under voluntary control?
    1. Cardiac muscle
    2. Skeletal muscle

12. Which region of the sarcomere disappears during a maximal skeletal muscle contraction?

  1. I band
  2. A band

13. Muscle hypertrophy occurs primarily by

  1. Increase in diameter of existing skeletal muscle fibers
  2. Increase in total number of skeletal muscle fibers

 

 

14. Which property of muscle tissue allows it to return to its original length after being stretched?

  1. Extensibility
  2. Elasticity

15. What is smaller in diameter?

  1. Muscle fiber
  2. Myofibril

16. Which of the following is found in thin filaments

  1. Actin
  2. Tropomyosin
  3. Troponin
  4. All of the above
  5. 17.  The term triad refers to which structures?
    1. Terminal cisternae pair
    2. T tubule
    3. H zone
    4. A and b

18. Which muscle tissue does not require innervation from the nervous system

  1. Smooth
  2. Cardiac

19. Muscle is

  1. Avascular
  2. Vascular

20. Which molecule inside of muscle tissue binds oxygen

  1. Myoglobin
  2. Creatine phosphate

2 comments on “Part 1 Muscle Quiz: Due in class Monday

  1. clayton vance
    November 10, 2013

    Sweeeeet!

  2. Natasha Koziol Suzuki
    November 11, 2013

    I know it may be an obvious question per se, just wanting to make sure that this is not practice, and is our official quiz for tonight, it’s take home due today, and there will be no additional quiz in class…correct? Thanks so much Trevor! 🙂

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This entry was posted on November 10, 2013 by in A & P Practice Quizes.
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