MRI Of The Spinal Column Quiz!

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| By Breanna
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Breanna
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Quizzes Created: 26 | Total Attempts: 7,923
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MRI Of The Spinal Column Quiz! - Quiz

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Questions and Answers
  • 1. 

    Refer to the figure below of a sagittal, T2-weighted MRI of the lumbar vertebra. Which arrow points to the superior articular process?

    • A.

      A

    • B.

      B

    • C.

      C

    • D.

      D

    Correct Answer
    C. C
  • 2. 

    Refer to the figure below of a 3D CT of the lumbar spine, lateral view. Which arrow points to the sacral promontory?

    • A.

      A

    • B.

      B

    • C.

      C

    • D.

      D

    Correct Answer
    B. B
    Explanation
    The arrow labeled B points to the sacral promontory. The sacral promontory is a bony ridge at the base of the sacrum, which is located at the lower part of the spine. In the given figure, arrow B is pointing to a prominent bony structure, which corresponds to the sacral promontory.

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  • 3. 

    Refer to the figure below of a 3D CT of the lumbar spine, lateral view. Which arrow points to the body of L3?

    • A.

      A

    • B.

      B

    • C.

      C

    • D.

      D

    Correct Answer
    A. A
  • 4. 

    The most inferior portion of the spinal cord, located at approximately the level of the T12-L1, is called the:

    • A.

      Cauda equina

    • B.

      Filum terminale

    • C.

      Sacral plexus

    • D.

      Conus medullaris

    Correct Answer
    D. Conus medullaris
    Explanation
    The conus medullaris is the correct answer because it refers to the most inferior portion of the spinal cord, located at the level of T12-L1. It is the tapered end of the spinal cord and marks the transition between the spinal cord and the cauda equina. The cauda equina refers to the bundle of nerves that extends beyond the conus medullaris, while the filum terminale is a thin strand of fibrous tissue that anchors the spinal cord. The sacral plexus is a network of nerves that originates from the lower lumbar and sacral spinal nerves.

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  • 5. 

    Refer to the figure below. Which arrow points to brachial plexus?

    • A.

      A

    • B.

      B

    • C.

      C

    • D.

      D

    Correct Answer
    B. B
  • 6. 

    Refer to the figure below of an axial, T2-weighted MRI of the lumbar spine with intervertebral disk and zygapophyseal joints. Which arrow points to the nucleus pulposus?

    • A.

      A

    • B.

      B

    • C.

      C

    • D.

      D

    Correct Answer
    B. B
    Explanation
    The nucleus pulposus is the innermost part of the intervertebral disc, located in the center. In the given figure, arrow B is pointing towards the center of the disc, indicating the nucleus pulposus.

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  • 7. 

    Refer to the figure below. Which arrow points to the spinal cord?

    • A.

      A

    • B.

      B

    • C.

      C

    • D.

      D

    Correct Answer
    A. A
    Explanation
    In the given figure, arrow A is pointing towards the structure that represents the spinal cord.

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  • 8. 

    The brachial plexus arises from which ventral rami?

    • A.

      C4-C7

    • B.

      C5-C8 and T1

    • C.

      C3-C7 and T1

    • D.

      C5-C7 and T1-T3

    Correct Answer
    B. C5-C8 and T1
    Explanation
    The brachial plexus is a network of nerves that supplies the upper limb. It is formed by the ventral rami of the spinal nerves. The correct answer, C5-C8 and T1, indicates that the brachial plexus arises from the ventral rami of spinal nerves C5, C6, C7, C8, and T1. These nerves originate from the cervical and thoracic regions of the spinal cord and come together to form the brachial plexus, which then gives rise to various nerves that innervate the muscles and skin of the upper limb.

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  • 9. 

    Refer to the figure below of a sagittal, T2-weighted MRI of the lumbar vertebra. Which arrow points to the inferior articular process?

    • A.

      A

    • B.

      B

    • C.

      C

    • D.

      D

    Correct Answer
    B. B
    Explanation
    In the given figure, arrow B points to the inferior articular process. The inferior articular process is a bony projection located on the posterior side of the vertebra, and it articulates with the superior articular process of the vertebra below it. It helps to form the facet joint, which allows for movement and stability in the spine.

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  • 10. 

    Refer to the figure below of an axial, T2-weighted MRI of the lumbar vertebra. Which arrow points to the cauda equina?

    • A.

      A

    • B.

      B

    • C.

      C

    • D.

      D

    Correct Answer
    B. B
    Explanation
    The cauda equina is a bundle of nerves that extends from the end of the spinal cord. It resembles a horse's tail and is located in the lumbar region. In the given MRI image, arrow B is pointing towards the lower part of the spinal cord where the cauda equina is located.

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  • 11. 

    Refer to the figure below of a 3D CT of the cervical vertebrae, anterior view. Which arrow points to the transverse foramen of C1?

    • A.

      A

    • B.

      B

    • C.

      C

    • D.

      D

    Correct Answer
    A. A
    Explanation
    The arrow pointing to A indicates the transverse foramen of C1 in the 3D CT image. The transverse foramen is a small hole located on each side of the vertebrae in the cervical spine. It allows the passage of the vertebral artery and vein, which supply blood to the brain. In this image, the arrow clearly points to a small hole on the side of the vertebrae, indicating the transverse foramen of C1.

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  • 12. 

    Refer to the figure below. Which arrow points to the brachial plexus?

    • A.

      A

    • B.

      B

    • C.

      C

    • D.

      D

    Correct Answer
    C. C
    Explanation
    The brachial plexus is a network of nerves that originates from the spinal cord in the neck region and supplies the upper limb. In the given figure, arrow C is pointing towards a bundle of nerves that is located in the region where the brachial plexus is typically found. Therefore, arrow C points to the brachial plexus.

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  • 13. 

    Refer to the figure below. Which arrow points to the middle scalene muscle?

    • A.

      A

    • B.

      B

    • C.

      C

    • D.

      D

    Correct Answer
    D. D
    Explanation
    The middle scalene muscle is located in the neck region. In the given figure, arrow D points to the muscle that is positioned in the middle of the scalene muscles.

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  • 14. 

    Refer to the figure below. Which arrow points to the pituitary gland?

    • A.

      A

    • B.

      B

    • C.

      C

    • D.

      D

    Correct Answer
    C. C
    Explanation
    The arrow pointing to the C indicates the pituitary gland. The pituitary gland is a small, pea-sized gland located at the base of the brain, and it plays a crucial role in regulating various bodily functions. It produces and releases hormones that control growth, metabolism, reproduction, and other important processes in the body.

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  • 15. 

    Refer to the figure below of a sagittal, T2-wighted MRI of the lumbar vertebra. Which arrow points to the intervertebral foramen?

    • A.

      A

    • B.

      B

    • C.

      C

    • D.

      D

    Correct Answer
    D. D
  • 16. 

    Refer to the figure below of a coronal, T2-weighted MRI of the brain. Which arrow points to the third ventricle?

    • A.

      A

    • B.

      B

    • C.

      C

    • D.

      D

    Correct Answer
    C. C
    Explanation
    In the given figure, arrow C points to the third ventricle. The third ventricle is a narrow cavity located in the midline of the brain, between the two halves of the thalamus. It is part of the ventricular system and plays a role in the circulation of cerebrospinal fluid.

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