Chapter 13 Anatomy Quiz

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  • 1/20 Questions

    What carries motor impusles from the spinal cord to the skeletal muscle? (brain to body?)

    • Afferent
    • Efferent
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About This Quiz

This is a multiple choice test. I made this to help everyone in my anatomy class to score better on their next test. I hope this helps :)

Try not to look at your notes while taking this quiz. It could help without looking.

- Ann Marie

Anatomy Quizzes & Trivia

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  • 2. 

    The meninges is found where?

    • Brain and heart

    • Spinal cord and bones

    • Spinal cord and brain

    • Brain and bones

    Correct Answer
    A. Spinal cord and brain
    Explanation
    The meninges is a protective layer that covers and surrounds the brain and spinal cord. It consists of three layers: the dura mater, arachnoid mater, and pia mater. These layers provide cushioning and support to the delicate nervous tissue of the brain and spinal cord. Therefore, the correct answer is "Spinal cord and brain."

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  • 3. 

    What carries information from the receptor to the spinal cord ( body to brain)?

    • Afferent

    • Efferent

    Correct Answer
    A. Afferent
    Explanation
    Afferent nerves carry information from the receptor to the spinal cord, which then sends the information to the brain. These nerves are responsible for transmitting sensory information, such as touch, temperature, and pain, from various parts of the body to the central nervous system. In contrast, efferent nerves carry information from the brain to the rest of the body, controlling muscle movement and other motor functions. Therefore, afferent is the correct answer as it accurately describes the nerve pathway for transmitting information from the receptor to the spinal cord.

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  • 4. 

    What carries sensory info regarding pain and temperature?

    • Gracilus Fasciculus

    • Spinothalamic

    • Spinocerebellar

    • Tectospinal

    Correct Answer
    A. Spinothalamic
    Explanation
    The spinothalamic tract carries sensory information regarding pain and temperature. It is responsible for transmitting these sensations from the spinal cord to the thalamus, which then relays the information to the cerebral cortex for processing. The other options, Gracilus Fasciculus, Spinocerebellar, and Tectospinal, are not specifically involved in carrying sensory information related to pain and temperature.

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  • 5. 

    The central connecting piece between the horns on the left and the horns on the right is called the ?

    • Gray matter

    • White Matter

    • Gray commisure

    • Canal

    Correct Answer
    A. Gray commisure
    Explanation
    The central connecting piece between the horns on the left and the horns on the right is called the gray commisure. This structure is responsible for connecting the two sides of the brain and allowing for communication and coordination between them. Gray matter refers to the regions of the brain that contain cell bodies and synapses, while white matter refers to the areas that consist mainly of myelinated axons. Canal is a general term that refers to a passageway or channel, but it does not specifically describe the structure mentioned in the question.

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  • 6. 

    Axon bundles are divided into what 2 types of tracts?

    • Ventral and Dorsal Tracts

    • Motor and Sensory Tracts

    • Ascending and Descending Tracts

    Correct Answer
    A. Ascending and Descending Tracts
    Explanation
    Axon bundles in the nervous system are divided into two types of tracts: ascending and descending tracts. Ascending tracts carry sensory information from the peripheral nervous system to the brain, allowing us to perceive and interpret sensory stimuli. Descending tracts, on the other hand, transmit motor signals from the brain to the muscles, enabling voluntary movement and coordination. Therefore, the correct answer is "Ascending and Descending Tracts."

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  • 7. 

    A ____ is a bundle of axons from many different neurons

    • Nerve

    • Motor

    • Fascicle

    • Neuron

    Correct Answer
    A. Nerve
    Explanation
    A nerve is a bundle of axons from many different neurons. It is responsible for transmitting signals between the central nervous system and different parts of the body. The axons within a nerve can carry sensory information from the body to the brain, as well as motor signals from the brain to the muscles. Nerves are essential for the proper functioning of the nervous system and allow for communication and coordination throughout the body.

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  • 8. 

    The central "buttery-shaped" part of the spinal cord is the gray matter. What does it contain?

    • Myelinated axons, cell bodies of neurons, and motor impulses

    • Unmyelinated axons, cell bodies of neurons, and infoneurons

    • Myelinated neurons, cell bodies of axons, and interneurons

    • Unmyelinated axons, cell bodies of neurons, and interneurons

    Correct Answer
    A. Unmyelinated axons, cell bodies of neurons, and interneurons
    Explanation
    The gray matter of the spinal cord contains unmyelinated axons, cell bodies of neurons, and interneurons.

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  • 9. 

    Extensions of the pia mater which extend through the arachnoid and anchor the spinal cord to the vertabrae. It also prevents side to side movement of the spinal cord.

    • Denticulate Ligaments

    • Coritocospinal

    • Reticulospinal

    • Denticulate Neurons

    Correct Answer
    A. Denticulate Ligaments
    Explanation
    The denticulate ligaments are extensions of the pia mater that extend through the arachnoid and anchor the spinal cord to the vertebrae. These ligaments help to stabilize the spinal cord and prevent side to side movement. They act as a support structure for the spinal cord, keeping it in place within the vertebral column.

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  • 10. 

    A _____ is a collection of neurons cell bodies

    Correct Answer
    Ganglia
    Explanation
    Ganglia are clusters of neuron cell bodies located outside the central nervous system. They are found in the peripheral nervous system and serve as relay stations for transmitting signals between sensory and motor neurons. Ganglia play a crucial role in coordinating and regulating various bodily functions such as movement, digestion, and sensory perception. They are responsible for processing and integrating information received from sensory receptors before sending it to the brain for further processing and interpretation.

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  • 11. 

    Nerves that enter or exit the spinal cord

    • Nerve roots

    • Neurons

    • Axons

    • Fascicles

    Correct Answer
    A. Nerve roots
    Explanation
    Nerve roots are the correct answer because they are the part of the nerve that enters or exits the spinal cord. They are formed by the combination of motor and sensory fibers that come together to form spinal nerves. These nerve roots are responsible for transmitting signals between the spinal cord and the rest of the body, allowing for communication and control of movement and sensation.

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  • 12. 

    What carries sensory info from muscles in legs and trunk necessary to coordinate muscle?

    • Gracilus Fasciculus

    • Spinothalamic

    • Spinocerebellar

    • Tectospinal

    Correct Answer
    A. Spinocerebellar
    Explanation
    The spinocerebellar tract carries sensory information from the muscles in the legs and trunk to the cerebellum, which is necessary for coordinating muscle movements. This tract helps the cerebellum receive proprioceptive information, such as the position and movement of the limbs, allowing it to make adjustments and fine-tune muscle activity. The gracilis fasciculus carries sensory information related to touch and pressure from the lower limbs, while the spinothalamic tract carries pain and temperature information. The tectospinal tract is involved in reflex movements of the head and neck in response to visual stimuli.

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  • 13. 

    White matter surrounds the gray matter. What does it consist, caontins and how are the axons arranged?

    • Consist of bundles of neurons that travel up and down the spinal cord and body, contains umyelinated axons, and the axons are arranged in columns

    • Consist of bundles of axons that travel up or down the spinal cord and brain, contains myelinated axons, and the axons are arranged in columns

    • Consist of bundles of axons that travel left or right of the spinal cord and body, contains myelinated axons, and the axons are arranged in columns

    • Consist of bundles of axons that travel up or down the spinal cord and body, contains myelinated axons, and the axons are arranged in columns

    Correct Answer
    A. Consist of bundles of axons that travel up or down the spinal cord and body, contains myelinated axons, and the axons are arranged in columns
    Explanation
    White matter consists of bundles of axons that travel up or down the spinal cord and body. It contains myelinated axons, which are nerve fibers surrounded by a fatty substance called myelin that helps to speed up the transmission of signals. The axons in white matter are arranged in columns, which allows for organized and efficient communication between different regions of the nervous system.

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  • 14. 

    The landmarks found in the gray matter are ___ (there are four)

    Correct Answer
    Gray commissure, Dorsal Horn, Ventral Horn, Central Canal
    Explanation
    The gray matter of the spinal cord contains several landmarks. The gray commissure is a horizontal band of gray matter that connects the two halves of the spinal cord. The dorsal horn is located on the posterior side of the spinal cord and contains sensory neurons. The ventral horn is found on the anterior side of the spinal cord and contains motor neurons. Lastly, the central canal is a small channel in the center of the spinal cord that contains cerebrospinal fluid. These landmarks are important for the transmission of sensory and motor signals within the spinal cord.

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  • 15. 

    List the three types of signals for nerves and explain each.

  • 16. 

    Explain what are ventral nerve roots. What it contains, and what it carries.

  • 17. 

    Explain what are dorsal nerve roots. What it contains and what it carries.

  • 18. 

    List 4 characteristics of the reflex.

    Correct Answer
    - Requires a stimulation - Quick with minimal synaptic involvement - Involuntary - Steretyped
    Explanation
    The reflex is a response that requires a stimulation to occur. It is quick because it involves minimal synaptic involvement, meaning that the signal travels directly from the sensory receptor to the motor neuron without much processing. It is also involuntary, meaning that it happens automatically without conscious control. Lastly, the reflex is stereotyped, meaning that it follows a fixed pattern and is consistent in its response.

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  • 19. 

    What are the 4 main descending tracts?

    Correct Answer
    - Corticospinal - Reticulospinal -Tectospinal -Vestibulospinal
    Explanation
    The four main descending tracts are the corticospinal, reticulospinal, tectospinal, and vestibulospinal tracts. These tracts are responsible for transmitting motor signals from the brain to the spinal cord and ultimately to the muscles. The corticospinal tract is involved in voluntary movement and fine motor control, while the reticulospinal tract is involved in regulating posture and muscle tone. The tectospinal tract is responsible for coordinating head and eye movements in response to visual stimuli, and the vestibulospinal tract is involved in maintaining balance and coordinating movements in response to changes in head position.

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  • 20. 

    List the three types of ascending tracts

    Correct Answer
    - Gracillius fasciculus - Spinothalamic - Spinocerebellar
    Explanation
    The three types of ascending tracts are the Gracillius fasciculus, Spinothalamic tract, and Spinocerebellar tract. The Gracillius fasciculus is responsible for carrying sensory information related to touch, pressure, and proprioception from the lower limbs and lower trunk to the brain. The Spinothalamic tract transmits pain, temperature, and crude touch sensations from the body to the brain. The Spinocerebellar tract carries proprioceptive information from the muscles, tendons, and joints to the cerebellum, which is involved in coordinating movement and maintaining balance.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 08, 2009
    Quiz Created by
    Annmuhree
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