Human Spinal Cord Anatomy
18 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

Where does the spinal cord end in humans?

  • At the foramen magnum of the skull
  • Below the ribs
  • At the second lumbar vertebra (correct)
  • At the first lumbar vertebra
  • What is the purpose of the meninges surrounding the spinal cord?

  • To produce hormones
  • To provide oxygen to the spinal cord
  • To regulate body temperature
  • To cushion and protect the spinal cord (correct)
  • What is the name given to the collection of spinal nerves at the inferior end of the vertebral canal?

  • Cauda Equina (correct)
  • Spinal Tail
  • Horse's Mane
  • Nerve Bundle
  • What do the dorsal horns of the spinal cord contain?

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

    Where are the cell bodies of sensory neurons found in relation to the spinal cord?

    <p>In the dorsal root ganglion</p> Signup and view all the answers

    Which part of the spinal cord resembles a butterfly or letter H in cross-section?

    <p>Gray matter</p> Signup and view all the answers

    Where are the preganglionic neurons of the parasympathetic division located in the spinal cord?

    <p>S2 through S4 levels</p> Signup and view all the answers

    Which division of the autonomic nervous system is also known as the craniosacral division?

    <p>Parasympathetic division</p> Signup and view all the answers

    Where do the preganglionic axons of the sympathetic division leave the spinal cord?

    <p>Ventral root</p> Signup and view all the answers

    Which nerves form the pelvic splanchnic nerves in the sacral region?

    <p>Pelvic nerves</p> Signup and view all the answers

    Where does the sympathetic trunk lie along in the body?

    <p>Vertebral column</p> Signup and view all the answers

    What type of nerves do the preganglionic axons of the sympathetic division form after reaching the ganglion?

    <p>Splanchnic nerves</p> Signup and view all the answers

    Which part of the spinal nerve divides into dorsal and ventral rami shortly after being formed?

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

    Which nerve serves the diaphragm, skin, and muscles of the shoulder and neck?

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

    Which of the following muscles is served by the ulnar nerve?

    <p>Flexor muscles of forearm</p> Signup and view all the answers

    What is the function of the ventral rami of spinal nerves T1 through T12?

    <p>Supply muscles between the ribs</p> Signup and view all the answers

    Which nerve serves the triceps and extensor muscles of the forearm?

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

    What is the origin of the cervical plexus?

    <p>C1-C5</p> Signup and view all the answers

    More Like This

    Compendium 9
    86 questions

    Compendium 9

    RenownedKineticArt avatar
    RenownedKineticArt
    Use Quizgecko on...
    Browser
    Browser