The Muscular System Practice Quiz

43 Questions | Total Attempts: 98

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Muscular System Quizzes & Trivia

Questions and Answers
  • 1. 
    Which of the following muscles does not act in plantar flexion?
    • A. 

      Popliteus

    • B. 

      Tibialis posterior

    • C. 

      Flexor digitorum longus

    • D. 

      Gastrocnemius and soleus

  • 2. 
    Paralysis of which of the following would make an individual unable to flex the knee?
    • A. 

      Hamstring muscles

    • B. 

      Gluteal muscles

    • C. 

      Brachioradialis

    • D. 

      Soleus

  • 3. 
    Which of the following muscles serves as a common intramuscular injection site, particularly in infants?
    • A. 

      The vastus intermedius

    • B. 

      The vastus medialis

    • C. 

      Rectus femoris

    • D. 

      The vastus lateralis

  • 4. 
    Which of the following muscles is involved in inversion at the ankle joint?
    • A. 

      Tibialis anterior

    • B. 

      Extensor digitorum longus

    • C. 

      Peroneus tertius

    • D. 

      Peroneus longus

  • 5. 
    Which of the following muscles is a flexor of the thigh?
    • A. 

      Tibialis posterior

    • B. 

      Vastus lateralis

    • C. 

      Adductor magnus

    • D. 

      Gluteus maximus

  • 6. 
    Which of the following muscles is involved in abduction?
    • A. 

      Deltoid

    • B. 

      Subscapularis

    • C. 

      Teres major

    • D. 

      Latissimus dorsi

  • 7. 
    Adductor magnus, adductor longus, and adductor brevis are parts of a large muscle mass of the ________.
    • A. 

      Lateral rotators

    • B. 

      Anterior compartment of the thigh

    • C. 

      Posterior muscle group of the thigh

    • D. 

      Medial compartment of the thigh

  • 8. 
    What do geniohyoid, hyoglossus, and stylohyoid have in common?
    • A. 

      All names reflect direction of muscle fibers.

    • B. 

      Each acts synergistically to elevate the jaw.

    • C. 

      All act on the tongue.

    • D. 

      All names indicate the relative size of the muscle.

  • 9. 
    First-class levers ________.
    • A. 

      Have load at one end of the lever, fulcrum at the other, and effort applied somewhere in the middle

    • B. 

      Are typified by tweezers or forceps

    • C. 

      In the body can operate at a mechanical advantage or mechanical disadvantage, depending on specific location

    • D. 

      Are the type found in the joints forming the ball of the foot as used in raising the body on the toes

  • 10. 
    Paralysis of which of the following would make an individual unable to flex the thigh?
    • A. 

      Biceps

    • B. 

      Vastus medialis

    • C. 

      Soleus

    • D. 

      Iliopsoas and rectus femoris

  • 11. 
    To exhale forcibly, one would contract the:
    • A. 

      Diaphragm alone.

    • B. 

      Internal intercostals and diaphragm.

    • C. 

      External intercostals and diaphragm.

    • D. 

      Rectus abdominis and diaphragm.

  • 12. 
    Tennis players often complain about pain in the arm (forearm) that swings the racquet. What muscle is usually strained under these conditions?
    • A. 

      The triceps brachii

    • B. 

      The anconeus

    • C. 

      The brachioradialis

    • D. 

      The flexor digitorum profundus

  • 13. 
    The extensor digitorum longus has which type of fascicle arrangement?
    • A. 

      Circular

    • B. 

      Convergent

    • C. 

      Unipennate

    • D. 

      Bipennate

  • 14. 
    In a pennate muscle pattern ________.
    • A. 

      Muscles appear to be straplike

    • B. 

      There is a narrow origin diverging to a broad insertion

    • C. 

      There is a broad origin and fascicles converge toward a single tendon

    • D. 

      Muscles look like a feather

  • 15. 
    Orbicularis oris ________.
    • A. 

      Closes, purses, and protrudes the lips

    • B. 

      Pulls the lower lip down and back

    • C. 

      Draws the eyebrows together

    • D. 

      Allows blinking, squinting, and various other protective mechanisms for the eye

  • 16. 
    In flexing the forearm at the elbow, the ________.
    • A. 

      Biceps brachii acts as antagonist

    • B. 

      Triceps brachii acts as antagonist

    • C. 

      Brachioradialis acts as antagonist

    • D. 

      Coracobrachialis acts as antagonist

  • 17. 
    Which of these is not a way of classifying muscles?
    • A. 

      Muscle location

    • B. 

      The type of muscle fibers

    • C. 

      The type of action they cause

    • D. 

      Muscle shape

  • 18. 
    Which generalization concerning movement by skeletal muscles is not true?
    • A. 

      Muscles produce movement by pulling on bones.

    • B. 

      The bones serve as levers.

    • C. 

      During contraction the two articulating bones move equally.

    • D. 

      The movements produced may be of graded intensity.

  • 19. 
    Spasms of this straplike muscle often result in wryneck or torticollis.
    • A. 

      Serratus anterior

    • B. 

      Zygomaticus

    • C. 

      Platysma

    • D. 

      Sternocleidomastoid

  • 20. 
    A nursing infant develops a powerful sucking muscle that adults also use for whistling called the ________.
    • A. 

      Platysma

    • B. 

      Masseter

    • C. 

      Zygomaticus

    • D. 

      Buccinator

  • 21. 
    Which of the following is not a member of the hamstrings?
    • A. 

      Gracilis

    • B. 

      Semitendinosus

    • C. 

      Semimembranosus

    • D. 

      Biceps femoris

  • 22. 
    A muscle located on the dorsal side of the body is the ________.
    • A. 

      Pectoralis minor

    • B. 

      Rectus femoris

    • C. 

      Rectus abdominis

    • D. 

      Infraspinatus

  • 23. 
    A muscle group that works with and assists the action of a prime mover is a(n) ________.
    • A. 

      Antagonist

    • B. 

      Fixator

    • C. 

      Synergist

    • D. 

      Protagonist

  • 24. 
    Which of the following does not compress the abdomen?
    • A. 

      Internal oblique

    • B. 

      External oblique

    • C. 

      Transversus abdominis

    • D. 

      Coccygeus

  • 25. 
    If a lever operates at a mechanical disadvantage, it means that the ________.
    • A. 

      Load is far from the fulcrum and the effort is applied near the fulcrum

    • B. 

      Lever system is useless

    • C. 

      Effort is farther than the load from the fulcrum

    • D. 

      Load is near the fulcrum and the effort is at the distal end

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