Introduction to Nervous System
40 Questions
0 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

What are the two major parts of the Nervous System?

  • The Somatic Nervous System (SNS) and The Autonomic Nervous System (ANS)
  • Central Nervous System (CNS) and Autonomic Nervous System (ANS)
  • The Central Nervous System (CNS) and The Peripheral Nervous System (PNS) (correct)
  • The Motor Nervous System (MNS) and The Sensory Nervous System (SNS)

    • What are the two types of motor fibers of the peripheral nervous system?

  • Afferent and efferent fibers
  • Somatic motor fibers and Autonomic fibers (correct)
  • Sensory and motor fibers
  • Sympathetic and parasympathetic fibers

    • What type of fibers transmit signals from receptors of various types?

  • Sensory (or afferent) fibers (correct)
  • Motor (or efferent) fibers
  • Somatic motor fibers
  • Autonomic fibers

    • What is the function of the dorsal ramus?

    <p>Supplying sensory innervation to the skin over the spine and muscular innervation to the paraspinal muscles</p> Signup and view all the answers

    What is the name of the part of the neuron where the motor fibers terminate?

    <p>Motor end plate</p> Signup and view all the answers

    How many pairs of Cranial Nerves are there in the Peripheral Nervous System?

    <p>12 pairs</p> Signup and view all the answers

    What is the function of the sensory root?

    <p>Transmit signals from receptors of various types</p> Signup and view all the answers

    In which region of the body do the ventral rami unite to form the brachial plexus?

    <p>Lower cervical to upper thoracic (C5–T1)</p> Signup and view all the answers

    How many pairs of Spinal Nerves are there in the Peripheral Nervous System?

    <p>31 pairs</p> Signup and view all the answers

    What is the function of the PNS in relation to the CNS?

    <p>It conveys input and output signals to and from the CNS</p> Signup and view all the answers

    What type of system conveys information from the skin and the musculoskeletal system to areas of the brain?

    <p>Somatosensory system</p> Signup and view all the answers

    What term is used to describe signals passing to the CNS?

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

    What type of neurons transmit information from the central system to peripheral structures?

    <p>Efferent neurons</p> Signup and view all the answers

    In which region of the body do the ventral rami continue as intercostal nerves?

    <p>Thoracic region</p> Signup and view all the answers

    What is the function of the CNS?

    <p>It integrates and controls the entire nervous system</p> Signup and view all the answers

    What type of neurons connect only with other neurons?

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

    What is the primary function of the cerebellum?

    <p>Posture, balance, and coordination of voluntary motor activity</p> Signup and view all the answers

    What is the function of the brain stem?

    <p>Regulating basic bodily functions such as breathing, heart rate, and sleep</p> Signup and view all the answers

    What is the main function of the spinal cord?

    <p>Conveying information between neurons and processing reflexes</p> Signup and view all the answers

    What is the function of gray matter in the central nervous system?

    <p>Containing primarily neuron cell bodies</p> Signup and view all the answers

    What is a bundle of axons that travel together in the central nervous system called?

    <p>Tract, lemniscus, fasciculus, column, peduncle, or corpuscle</p> Signup and view all the answers

    What is the function of the corpus callosum?

    <p>Connecting the two cerebral hemispheres</p> Signup and view all the answers

    What is the main function of the cerebral hemispheres?

    <p>Managing higher-level cognitive functions</p> Signup and view all the answers

    What is the function of white matter in the central nervous system?

    <p>Conveying information away from the cell body</p> Signup and view all the answers

    What is the term for groups of cell bodies in the central nervous system?

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

    What is the main function of glial cells in the nervous system?

    <p>Providing support and protection to neurons</p> Signup and view all the answers

    What is the basic structure and functional unit of the nervous system?

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

    What is the role of the meninges in the nervous system?

    <p>To provide support and protection to the brain and spinal cord</p> Signup and view all the answers

    What is the function of the cell body of a neuron?

    <p>To receive and process nerve impulses</p> Signup and view all the answers

    What is the function of dendrites in a neuron?

    <p>To carry impulses towards the cell body</p> Signup and view all the answers

    What type of circuit conveys impulses that result in an involuntary response?

    <p>Reflex circuit</p> Signup and view all the answers

    What is the term for groups of cell bodies in the peripheral nervous system?

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

    What is the primary function of relay circuits in the nervous system?

    <p>To convey impulses from sensory organs to the brain</p> Signup and view all the answers

    What is the term for a series of neurons that work together to achieve a specific function?

    <p>Functional path</p> Signup and view all the answers

    Where are the nerve cell bodies located in a functional path?

    <p>In the nuclei, ganglia, or laminae</p> Signup and view all the answers

    What is the term for the bundles of axons in a functional path?

    <p>All of the above</p> Signup and view all the answers

    What is the primary function of the meninges?

    <p>To support and protect the CNS</p> Signup and view all the answers

    What is the most common cause of meningitis?

    <p>Viral infection</p> Signup and view all the answers

    What is a common symptom of meningitis in adults?

    <p>Neck stiffness and headache with fever</p> Signup and view all the answers

    What is the term for the large opening in the base of the skull where the brain and spinal cord are continuous?

    <p>Foramen magnum</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser