Muscle Anatomy And Physiology Test! Trivia Quiz

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Quizzes Created: 1 | Total Attempts: 303
Questions: 12 | Attempts: 304

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Muscle Anatomy And Physiology Test! Trivia Quiz - Quiz

The muscle anatomy and physiology test below is perfect for helping any anatomy student understand the important function that muscles play in the human body and how to detect when they are not functioning properly and measure to correct them. Give it a try and be sure to check put others just like it. All the best in your continuing revision!


Questions and Answers
  • 1. 

    Which of these are just deep to the trapezius?

    • A.

      Basilic Vein

    • B.

      Transverse Cervical Artery

    • C.

      Radial Artery

    • D.

      Posterior Circumflex Humeral Vessels

    Correct Answer
    B. Transverse Cervical Artery
    Explanation
    Transverse Cervical artery, vein, and subtrapezial nerve plexus are located here. Both innervate the trapezius

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  • 2. 

    What is the outermost layer of a synovial joint called?

    • A.

      Articular Capsule

    • B.

      Articular Cartilage

    • C.

      Synovial Membrane

    • D.

      Fibrous Membrane

    Correct Answer
    A. Articular Capsule
    Explanation
    The outermost layer of a synovial joint is called the articular capsule. This capsule surrounds the joint and provides stability and support. It is composed of dense connective tissue and is responsible for containing the synovial fluid within the joint. The articular capsule also helps to prevent excessive movement and protects the joint from injury.

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  • 3. 

    All of the extrinsic muscles of the back are innervated by?

    • A.

      Thoracodorsal Nerve

    • B.

      Ventral Rami

    • C.

      Dorsal Rami

    • D.

      Dorsal Scapular Nerve

    Correct Answer
    C. Dorsal Rami
    Explanation
    The correct answer is Dorsal Rami. The extrinsic muscles of the back, which include the muscles that move the upper limb, are innervated by the dorsal rami of the spinal nerves. These nerves branch off from the spinal cord and supply the muscles and skin of the back. The ventral rami, on the other hand, innervate the muscles and skin of the anterior and lateral parts of the trunk and limbs. The dorsal scapular nerve and thoracodorsal nerve are specific branches of the dorsal rami that innervate certain muscles in the back.

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  • 4. 

    Which of these is innervated by the thoracodorsal nerve and artery?

    • A.

      Trapezius

    • B.

      Serratus Anterior

    • C.

      Suprascapularis

    • D.

      Latissimus Dorsi

    Correct Answer
    D. Latissimus Dorsi
    Explanation
    The thoracodorsal nerve and artery innervate the Latissimus Dorsi muscle.

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  • 5. 

    Which of the following is true about the triangle of auscultation?

    • A.

      Its lateral border is the trapezius.

    • B.

      The rhomboid minor muscle fibers can be seen inside.

    • C.

      The upper border is serratus anterior.

    • D.

      The medial border is the trapezius.

    Correct Answer
    A. Its lateral border is the trapezius.
    Explanation
    Can see rhomboid major inside. Upper border is lat. Medial border is the scapula.

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  • 6. 

    Marcy gets stabbed in the back with a small fork just medial to the medial border of her right scapula. Only her dorsal scapular nerve is injured. Which functional abnormality would we expect to see?

    • A.

      Weakness is upward rotation of scapula

    • B.

      Weakness in elevating shoulder girdle

    • C.

      Weakness in retraction of shoulder

    • D.

      Complete loss of depression of scapula

    Correct Answer(s)
    B. Weakness in elevating shoulder girdle
    C. Weakness in retraction of shoulder
    Explanation
    Levator Scapulae, Rhomboid Major, Rhomboid Minor, LS involved in elevating shoulder girdle- trap would still be able to do some, R major and R minor are involved in shoulder retraction trap is still working to do this, the Lower trap does depression of scapula, Mid and upper trap do an upward rotation.

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  • 7. 

    Lacey noticed that she is having some pain when trying to stretch her back in a way that depresses her scapula (they so sad). What muscles could be related to this pain?

    • A.

      Rhomboid Minor

    • B.

      Latissimus Dorsi

    • C.

      Levator Scapulae

    • D.

      Lower Serratus Anterior

    Correct Answer
    D. Lower Serratus Anterior
    Explanation
    The Lower Serratus Anterior muscle is likely related to the pain Lacey is experiencing when trying to stretch her back in a way that depresses her scapula. This muscle is located on the side of the ribcage and attaches to the scapula, helping to stabilize and move it. If this muscle is tight or strained, it can cause pain and discomfort when trying to stretch or move the scapula in certain ways. The other muscles listed (Rhomboid Minor, Latissimus Dorsi, Levator Scapulae) may also be involved in scapular movement and stability, but the Lower Serratus Anterior is the most likely culprit based on the given information.

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  • 8. 

    The posterior superior serratus and posterior inferior serratus are innervated by the ______ nerves.

    Correct Answer
    Intercostal
    Explanation
    The posterior superior serratus and posterior inferior serratus muscles are innervated by the intercostal nerves. The intercostal nerves are a set of nerves that run along the spaces between the ribs and provide sensory and motor innervation to the muscles and skin of the thorax. In this case, they specifically innervate the posterior serratus muscles, which are responsible for various movements of the ribs during breathing.

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  • 9. 

    An injury occurs, forcing the transverse scapular ligament to impinging upon the scapular notch. Which of the following injuries would be expected

    • A.

      Complete loss of abduction from 0-15 degrees

    • B.

      Complete loss of lateral rotation

    • C.

      Weakness in medial rotation

    • D.

      Weakness in abduction from 15-100 degrees

    Correct Answer
    A. Complete loss of abduction from 0-15 degrees
    Explanation
    Would impinge upon suprascapular nerve causing supraspinatus and infraspinatus to have decreased function. Would have weakness in lateral rotation.

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  • 10. 

    Where is the internal vertebral venous plexus located? (Cancer risk)

    • A.

      Just outside the dura mater

    • B.

      Subarachnoid Space

    • C.

      Gray matter of Spinal Cord

    • D.

      Epidural Space

    Correct Answer
    D. Epidural Space
    Explanation
    The internal vertebral venous plexus is located in the epidural space. This space is located just outside the dura mater, which is the outermost layer of the meninges that surround the spinal cord. The internal vertebral venous plexus is a network of veins that runs along the length of the vertebral column and is responsible for draining blood from the spinal cord and surrounding structures. The location of the plexus in the epidural space makes it susceptible to cancer spread from nearby structures, such as the vertebrae or spinal cord.

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  • 11. 

    What layer makes up the film terminal externum?

    • A.

      Dura

    • B.

      Arachnoid

    • C.

      Pia

    • D.

      A and B

    • E.

      All of the above

    Correct Answer
    A. Dura
    Explanation
    The film terminal externum is made up of the dura layer. The dura layer is the outermost and toughest layer of the meninges, which are the protective membranes that surround the brain and spinal cord. It acts as a protective barrier and helps to maintain the shape and structure of the central nervous system. The arachnoid and pia layers are also part of the meninges, but they are not specifically mentioned as making up the film terminal externum. Therefore, the correct answer is dura.

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