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Neuroanatomy and Autonomic Nervous System Quiz
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Neuroanatomy and Autonomic Nervous System Quiz

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Questions and Answers

What is the function of cerebrospinal fluid (CSF) in the nervous system?

  • To regulate body temperature
  • To transmit nerve impulses
  • To circulate and protect the brain and spinal cord (correct)
  • To provide nutrients to neurons
  • Which part of the nervous system contains 100 billion neurons and 100 trillion synapses?

  • Central nervous system (CNS) (correct)
  • Neuroglia
  • Autonomic nervous system
  • Peripheral nervous system (PNS)
  • Where are small masses of nervous tissue called ganglia found in the nervous system?

  • Neuron cell bodies
  • Peripheral nervous system (PNS) (correct)
  • Synaptic clefts
  • Central nervous system (CNS)
  • What is the primary function of autonomic nervous system in the human body?

    <p>Regulation of involuntary bodily functions</p> Signup and view all the answers

    Which part of the nervous system is responsible for somatosensory organization and types of sensory receptors?

    <p>Central nervous system (CNS)</p> Signup and view all the answers

    What is the estimated brain capacity in terms of book equivalent, as mentioned in the text?

    <p>20 million books (filling 800km bookshelf)</p> Signup and view all the answers

    Which part of the nervous system contains motor and sensory fibers that start in the CNS and have sensory and motor functions?

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

    What is the role of neuroglia in the nervous system?

    <p>Support and protect neurons</p> Signup and view all the answers

    Which part of the brain is critical for homeostasis and controls functions such as water balance via ADH and stress response?

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

    Which part of the brain relays incoming sensory impulses?

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

    Which gland releases melatonin?

    <p>Pineal gland</p> Signup and view all the answers

    Which part of the brain is responsible for fine-tuning breathing?

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

    Which part of the brain is the respiratory center and cardiovascular center?

    <p>Medulla oblongata</p> Signup and view all the answers

    Which tracts are responsible for relaying sensory information about pain and temperature to be integrated?

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

    Which tract is responsible for conscious control of skeletal muscle and is a major tract for motor control?

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

    Which reflex test looks for toes to flail rather than curl in babies?

    <p>Babinski reflex</p> Signup and view all the answers

    Which reflex test involves tapping the patellar tendon to elicit a knee jerk response?

    <p>Knee reflex</p> Signup and view all the answers

    Which reflex test involves tapping the brachioradial tendon to elicit a forearm jerk response?

    <p>Brachioradial reflex</p> Signup and view all the answers

    Which reflex test involves tapping the tricep tendon to elicit a tricep jerk response?

    <p>Tricep reflex</p> Signup and view all the answers

    Which part of the brain is responsible for relaying information?

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

    Which cells form the myelin sheath in the peripheral nervous system (PNS)?

    <p>Schwann cells</p> Signup and view all the answers

    What type of neurons are classified by their structure and function?

    <p>Multipolar, bipolar, and unipolar neurons</p> Signup and view all the answers

    Which cells are part of the neuroglia in the central nervous system (CNS)?

    <p>Astrocytes, microglial cells, ependymal cells, and oligodendrocytes</p> Signup and view all the answers

    What type of transport mechanisms move information and neurotransmitters within neurons?

    <p>Antegrade and retrograde</p> Signup and view all the answers

    Which type of neurons are involved in sensory input traveling to the central nervous system (CNS)?

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

    What is the main function of myelination in children?

    <p>Increases coordination and faster responses</p> Signup and view all the answers

    Which cells are responsible for forming the myelin sheath in the central nervous system (CNS)?

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

    What can be stored in nerve cells and reactivate through retrograde transport?

    <p>Viruses like shingles and HSV</p> Signup and view all the answers

    What do microtubules transport within neurons?

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

    Which cells are part of the neuroglia in the peripheral nervous system (PNS)?

    <p>Schwann cells and satellite cells</p> Signup and view all the answers

    What type of neurons are responsible for motor output traveling from the CNS to the body?

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

    What is the primary focus of the course related to sensory pathways?

    <p>Sensory pathways and integration in the CNS</p> Signup and view all the answers

    Which system triggers the 'fight or flight' response?

    <p>Sympathetic nervous system (SNS)</p> Signup and view all the answers

    Which part of the brain is associated with emotion and feelings?

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

    Which lobe of the brain is responsible for controlling vision?

    <p>Occipital lobe</p> Signup and view all the answers

    What type of sensory receptors provide information about temperature?

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

    Which nervous system facilitates the 'rest and digest' functions?

    <p>Parasympathetic nervous system (PNS)</p> Signup and view all the answers

    Which type of receptors provide information about pain?

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

    Which part of the body has varying receptor field sizes, affecting discrimination and sensitivity to stimuli?

    <p>Hands and fingers</p> Signup and view all the answers

    Which nervous system coordinates autonomic movement and muscle tone?

    <p>Basal ganglia</p> Signup and view all the answers

    Which type of sensory receptors provide information about chemicals in the environment?

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

    Which nervous system triggers the release of epinephrine and causes increased responses?

    <p>Sympathetic nervous system (SNS)</p> Signup and view all the answers

    Which part of the brain manages skilled movement and executive functioning?

    <p>Frontal lobe</p> Signup and view all the answers

    Which type of sensory receptors provide information about touch, pressure, and vibration?

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

    Study Notes

    Neuroanatomy and Autonomic Nervous System Overview

    • Cortical sensory centers process information sent to the central nervous system (CNS) and elicit a response, with the brain displaying information from the left side of the body on the right side and vice versa
    • Neuroplasticity allows the brain to reorganize sensory areas based on usage, with the homunculus representing individualized sensory perception
    • Various types of sensory receptors provide different types of information, including mechano, thermo, chemo, photo, and nociceptors
    • Receptors are categorized as exteroceptors, interoceptors, and proprioceptors, and can be simple or complex in structure
    • Different areas of the body have varying receptor field sizes, affecting discrimination and sensitivity to stimuli
    • The autonomic nervous system (ANS) consists of the sympathetic nervous system (SNS) and the parasympathetic nervous system (PNS)
    • SNS triggers the "fight or flight" response, while PNS facilitates the "rest and digest" functions, aiming for a balanced coexistence
    • Both SNS and PNS pathways involve ANS, with SNS releasing epinephrine and causing increased responses, while PNS decreases responses
    • The SNS and PNS have opposing effects on target areas, with dual innervation in most body parts and exceptions like the kidney and adrenal medulla
    • Cerebral control is contralateral, with the left hemisphere controlling the right side of the body
    • Basal ganglia coordinates autonomic movement and muscle tone, while the limbic system is associated with emotion and feelings
    • The brain's lobes have distinct functions, such as the frontal lobe managing skilled movement and executive functioning, the parietal lobe housing the sensory cortex, the occipital lobe controlling vision, and the temporal lobe handling memory and auditory functions.

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    Related Documents

    Week 9 - Nervous System I.pdf

    Description

    Test your knowledge of neuroanatomy and the autonomic nervous system with this quiz. Explore the organization of sensory centers in the brain, the role of different types of sensory receptors, and the functions of the sympathetic and parasympathetic nervous systems. Gain insights into the cortical sensory processing, neuroplasticity, and the coordination of autonomic movement.

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