P-DAT 2 Suboccipital Region

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  • 1/6 Questions
    Identify the tagged structure - ProProfs

    Identify the tagged structure

    • Pars interarticularis of C2
    • Body of C1
    • Posterior tubercle of C1
    • Dens of C2
    • Dens of C1
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About This Quiz

This p-DAT 2 Suboccipital Region quiz assesses knowledge of the anatomy and nerve supply within the suboccipital region. It includes identification of structures like the dens of C2, the nerve exits, arterial branches, and muscle attachments, crucial for understanding clinical implications in neurology.

P-DAT 2 Suboccipital Region - Quiz

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  • 2. 
     What is the distal attachment of the tagged muscle? - ProProfs

     What is the distal attachment of the tagged muscle?

    • Posterior tubercle of C1

    • Transverse process of C1

    • Inferior nuchal line

    • Spinous process of C2

    • Mastoid process

    Correct Answer
    A. Transverse process of C1
    Explanation
    The distal attachment of a muscle refers to the end of the muscle that is further away from the midline or center of the body. In this case, the correct answer is the transverse process of C1, which is a bony projection on the first cervical vertebra. This means that the muscle in question attaches to the transverse process of C1, providing stability and movement to that area of the spine.

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  • 3. 
     You are treating a patient who you suspect is suffering from a pinched nerve.  You believe the lesion to be affecting the nerve that supplies the tagged muscle.  Where does this nerve exit vertebral canal? - ProProfs

     You are treating a patient who you suspect is suffering from a pinched nerve.  You believe the lesion to be affecting the nerve that supplies the tagged muscle.  Where does this nerve exit vertebral canal?

    • Superior to the vertebral artery

    • Inferior to the posterior arch of C2

    • Between the vertebral artery and posterior arch of C1

    • Within the foramen transversarium

    • Inferior to the posterior arch of C1

    Correct Answer
    A. Between the vertebral artery and posterior arch of C1
    Explanation
    The nerve that supplies the tagged muscle exits the vertebral canal between the vertebral artery and the posterior arch of C1. This suggests that the pinched nerve is likely located in this region, causing the symptoms observed in the patient.

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  • 4. 
     Identify the muscle that attaches to the tagged area; what nerve supplies this muscle? - ProProfs

     Identify the muscle that attaches to the tagged area; what nerve supplies this muscle?

    • Semispinalis cervicis; anterior rami of spinal nerves

    • Obliquus capitis inferior; greater occipital

    • Rectus capitis posterior minor; suboccipital

    • Rectus capitis posterior major; suboccipital

    • Obliquus capitis superior; greater occipital

    Correct Answer
    A. Rectus capitis posterior major; suboccipital
    Explanation
    The muscle that attaches to the tagged area is the Rectus capitis posterior major. This muscle is supplied by the suboccipital nerve.

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  • 5. 
     Which of the following statements is true about the structure that passes over the tagged area (in yellow)? - ProProfs

     Which of the following statements is true about the structure that passes over the tagged area (in yellow)?

    • It gives off the transverse cervical artery branch

    • It terminates in the suboccipital triangle

    • Passes through the foramen transversarium of C1 to C7

    • It is most likely to be damaged with the fracture of C7 than C1 transverse process

    • It is a branch of the subclavian artery

    Correct Answer
    A. It is a branch of the subclavian artery
    Explanation
    The structure that passes over the tagged area is most likely to be a branch of the subclavian artery. This is because the subclavian artery is a major blood vessel that supplies blood to the upper limb and part of the head and neck. The other statements do not provide any information about the structure passing over the tagged area.

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  • 6. 
     The following is true about the tagged nerve: - ProProfs

     The following is true about the tagged nerve:

    • It carries parasympathetic fibers

    • It does not contain general somatic efferent fibers

    • It represents the ventral ramus of C1

    • It typically has dorsal root ganglion

    • It carries both somatic and visceral motor fibers

    Correct Answer
    A. It carries both somatic and visceral motor fibers
    Explanation
    The correct answer is that the tagged nerve carries both somatic and visceral motor fibers. This means that it is responsible for transmitting signals for both voluntary movements (somatic motor fibers) and involuntary movements of organs (visceral motor fibers).

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 09, 2011
    Quiz Created by
    Chachelly
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