The Muscular System

43 Questions  I  By Ttsosi20
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Muscular System Quizzes & Trivia

  
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  • 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


  • 26. 
    Which of the following muscles inserts by the calcaneal tendon?
    • A. 

      The semitendinosus

    • B. 

      The sartorius

    • C. 

      The tibialis anterior

    • D. 

      The gastrocnemius


  • 27. 
    Which of the following muscles is involved in crossing one leg over the other while in a sitting position?
    • A. 

      The gastrocnemius

    • B. 

      The sartorius

    • C. 

      All of the hamstrings

    • D. 

      The quadriceps femoris


  • 28. 
    Which group of muscles flexes and rotates the neck?
    • A. 

      The scalenes

    • B. 

      The iliocostalis

    • C. 

      The spinalis

    • D. 

      The splenius


  • 29. 
    A cute, little curly haired child is sitting behind you in church. You turn around for a moment and she sticks her tongue out at you. Which tongue muscle did she use?
    • A. 

      Orbicularis oris

    • B. 

      Stylohyoid

    • C. 

      Hyoglossus

    • D. 

      Genioglossus


  • 30. 
    To produce horizontal wrinkles in the forehead, which of the following muscles is involved?
    • A. 

      The medial pterygoid

    • B. 

      The zygomaticus major

    • C. 

      The frontal belly of the epicranius

    • D. 

      The temporalis


  • 31. 
    The muscles that are found at openings of the body are collectively called ________.
    • A. 

      Convergent muscles

    • B. 

      Circular muscles

    • C. 

      Parallel muscles

    • D. 

      Divergent muscles


  • 32. 
    The extensor carpi radialis brevis ________.
    • A. 

      Extends and abducts the wrist and is short

    • B. 

      Extends and adducts the wrist and has a small tendon

    • C. 

      Supinates the forearm and is a superficial muscle

    • D. 

      Extends the thumb and is a deep muscle


  • 33. 
    The supraspinatus is named for its location on the posterior aspect of the scapula above the spine. What is its action?
    • A. 

      To help hold the head of the humerus in the glenoid cavity and rotate the humerus laterally

    • B. 

      To stabilize the shoulder joint and help prevent downward location of the humerus and to assist in abduction

    • C. 

      To extend and medially rotate the humerus and to act as a synergist of the latissimus dorsi

    • D. 

      To flex and adduct the humerus and to act as a synergist of the pectoralis major


  • 34. 
    The suprahyoid muscles ________.
    • A. 

      Depress the larynx and hyoid bone if the mandible is fixed

    • B. 

      Are a group of muscles that lie superior to the hyoid bone and help form the floor of the oral cavity

    • C. 

      Move the pharynx superiorly during swallowing

    • D. 

      Are often called strap muscles


  • 35. 
    The names of muscles often indicate the action of the muscle. When the term levator is part of the descriptive term for a muscleʹs action, this means that ________.
    • A. 

      The muscle flexes and rotates a region

    • B. 

      The muscle is a fixator and stabilizes a bone or joint

    • C. 

      The muscle elevates and/or adducts a region

    • D. 

      The muscle functions as a synergist


  • 36. 
    Which of the following statements is true regarding the total number of skeletal muscles in the human body?
    • A. 

      There are approximately the same number of muscles as bones: 206.

    • B. 

      There are approximately 350 muscles in the body.

    • C. 

      There are over 600 muscles in the body.

    • D. 

      If one considers the very tiny, insignificant muscles, there are over 1000 muscles in the body.


  • 37. 
    When the term biceps, triceps, or quadriceps forms part of a muscleʹs name, you can assume that ________.
    • A. 

      The muscle has two, three, or four origins, respectively

    • B. 

      The muscle is able to change direction twice, three times, or four times faster than other muscles, respectively

    • C. 

      The muscle has two, three, or four functions, respectively

    • D. 

      The muscle has two, three, or four insertions, respectively


  • 38. 
    A muscle that provides the major force for producing a specific movement is called ________.
    • A. 

      A synergist

    • B. 

      An agonist

    • C. 

      An antagonist

    • D. 

      A fixator


  • 39. 
    What primarily determines the power of a muscle?
    • A. 

      The length

    • B. 

      The shape

    • C. 

      The number of neurons innervating it

    • D. 

      The total number of muscle cells available for contraction


  • 40. 
    With regard to muscle fiber arrangement in a pennate muscle ________.
    • A. 

      The fascicles are short and attach obliquely to a central tendon that runs the length of a muscle

    • B. 

      The fascicular pattern is circular

    • C. 

      The fascicles form a triangle

    • D. 

      The fascicles are in a fusiform arrangement


  • 41. 
    What is the major factor controlling the manner in which levers work?
    • A. 

      The structural characteristics of the muscles of the person using the lever

    • B. 

      The weight of the load

    • C. 

      The direction the load is being moved

    • D. 

      The difference in the positioning of the effort, load, and fulcrum


  • 42. 
    What muscle is responsible for keeping your toes from dragging when walking?
    • A. 

      Extensor digitorum

    • B. 

      Tibialis anterior

    • C. 

      Extensor hallicus longus

    • D. 

      Fibularis tertius


  • 43. 
    Scissors demonstrate which type of lever?
    • A. 

      A first-class lever

    • B. 

      A second-class lever

    • C. 

      A third-class lever

    • D. 

      A fourth-class lever


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