Anatomy of Coughing Reflex
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Questions and Answers

What is the primary function of hypaxial muscles in the neck?

  • Generating head movements
  • Controlling speech production
  • Aiding in breathing mechanisms
  • Supporting the cervical vertebrae (correct)

    • Which region of the body does the neck primarily serve as a transitional area between?

  • Face and shoulders
  • Head and chest (correct)
  • Torso and upper limbs
  • Thorax and abdomen

    • What is the main role of the sympathetic trunk in the neck?

  • Regulating voluntary muscle movements
  • Enhancing cognitive functions
  • Facilitating sensory perception
  • Controlling involuntary bodily functions (correct)

    • Which of the following is a function of the subclavian artery branches in the neck?

    <p>Nourishing the upper extremities</p> Signup and view all the answers

    In human anatomy, which structure is primarily responsible for draining lymph from the neck?

    <p>Lymphatics of the neck</p> Signup and view all the answers

    What is the characteristic feature of the hypaxial muscles that distinguishes them from other muscle groups in the neck?

    <p>Location primarily within the cervical region</p> Signup and view all the answers

    What muscles help push the diaphragm upward when you cough?

    <p>The lateral abdominal muscles</p> Signup and view all the answers

    How do the limb muscles originating from the rib cage aid in forced exhalation?

    <p>They increase intraabdominal pressure to help expel air</p> Signup and view all the answers

    Which muscles are under voluntary control for respiration?

    <p>The diaphragm and intercostal muscles</p> Signup and view all the answers

    How can a vigorous cough potentially cause a rupture?

    <p>It can produce a sudden increase in intraabdominal pressure that may rupture a loop of intestine</p> Signup and view all the answers

    What can you observe by coughing with your hand thrust into your armpit?

    <p>The surrounding shoulder muscles contracting</p> Signup and view all the answers

    Which muscles receive no autonomic innervation?

    <p>The diaphragm and intercostal muscles</p> Signup and view all the answers

    What is the primary source of the musculature of the diaphragm?

    <p>Hypaxial musculature that descended from the cervical region</p> Signup and view all the answers

    Which spinal nerves contribute to the motor innervation of the diaphragm?

    <p>C3, C4, and C5</p> Signup and view all the answers

    How does a spinal cord injury at the level of C5 affect breathing?

    <p>It will not affect the diaphragm and may have little effect on breathing</p> Signup and view all the answers

    Where are the phrenic nerves located during early embryonic life?

    <p>On the inner surface of the body wall</p> Signup and view all the answers

    What anatomical structures influence the positioning of the phrenic nerves during embryonic development?

    <p>The common cardinal veins and the pleural cavities</p> Signup and view all the answers

    What is the function of the phrenic nerve?

    <p>Motor innervation of the diaphragm</p> Signup and view all the answers

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