Anatomy of the Central and Peripheral Nervous System
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Questions and Answers

How many pairs of spinal nerves are there in the human body?

  • 40
  • 30
  • 31 (correct)
  • 20
  • The spinal cord in the cervical region undergoes which type of change?

  • Reduction
  • Lengthening
  • Enlargement (correct)
  • Shortening
  • What is the main function of the Brachial Plexus?

  • Supplying the abdominal organs
  • Supplying the upper limb (correct)
  • Supplying the thoracic region
  • Supplying the lower limb
  • The Brachial Plexus is formed by the union of the ventral rami of which spinal nerves?

    <p>C5, C6, C7, C8, T1</p> Signup and view all the answers

    The Brachial Plexus can be divided into how many parts?

    <p>4</p> Signup and view all the answers

    Which of the following is a part of the Brachial Plexus?

    <p>Roots of brachial plexus</p> Signup and view all the answers

    Which muscle is supplied by the dorsal scapular nerve?

    <p>Levator scapulae</p> Signup and view all the answers

    Which of the following nerves arises from the roots of the brachial plexus in the neck?

    <p>Long thoracic nerve</p> Signup and view all the answers

    Which part of the brachial plexus is formed by the union of C5 and C6?

    <p>Upper trunk</p> Signup and view all the answers

    Which cord is lateral to the 2nd part of the axillary artery?

    <p>Lateral cord</p> Signup and view all the answers

    Which nerve supplies the pectoralis major muscle?

    <p>Lateral pectoral nerve</p> Signup and view all the answers

    Which branch of the brachial plexus is responsible for the winged scapula?

    <p>Long thoracic nerve</p> Signup and view all the answers

    What is the function of the serratus anterior muscle?

    <p>It holds the scapula against the ribcage</p> Signup and view all the answers

    Which part of the brachial plexus is bounded by the sternocleidomastoid muscle, trapezius, and the clavicle?

    <p>Posterior triangle</p> Signup and view all the answers

    Which nerve is formed by the union of the medial and lateral roots?

    <p>Median nerve</p> Signup and view all the answers

    Which branch of the brachial plexus passes through the quadrangular space?

    <p>Axillary nerve</p> Signup and view all the answers

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