P-DAT 4 Scapular Region

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  • 1/7 Questions
    Which muscle is attached across the ventral surface of this bone? - ProProfs

    Which muscle is attached across the ventral surface of this bone?

    • Infraspinatus
    • Supraspinatus
    • Teres minor
    • Subscapularis
    • Serratus anterior
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P-DAT 4 Scapular Region - Quiz
About This Quiz

This p-DAT 4 Scapular Region quiz assesses knowledge of scapular anatomy, focusing on muscle attachments, nerve associations, and movement implications following injuries. It is essential for medical students preparing for practical exams and clinical practice.

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  • 2. 
     Following a traumatic fall and visit to the ER, you as the attending physician are presented with radiographs of the patient’s shoulder. A fracture at the tagged area will most likely damage which nerve? - ProProfs

     Following a traumatic fall and visit to the ER, you as the attending physician are presented with radiographs of the patient’s shoulder. A fracture at the tagged area will most likely damage which nerve?

    • Suprascapular

    • Axillary

    • Thoracodorsal

    • Radial

    • Dorsal scapular

    Correct Answer
    A. Axillary
    Explanation
    A fracture at the tagged area is most likely to damage the axillary nerve. The axillary nerve innervates the deltoid muscle and the teres minor muscle, both of which are important for shoulder movement and stability. Damage to the axillary nerve can result in weakness or paralysis of these muscles, leading to difficulty in raising the arm and performing certain movements.

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  • 3. 
    A patient complaining of shoulder pain undergoes an MRI, which reveals a cystic mass that is lodged within the tagged area. The mass is most likely to compress which structure? - ProProfs

    A patient complaining of shoulder pain undergoes an MRI, which reveals a cystic mass that is lodged within the tagged area. The mass is most likely to compress which structure?

    • Circumflex scapular artery

    • Dorsal scapular nerve

    • Axillary nerve

    • Suprascapular nerve

    • Dorsal scapular artery

    Correct Answer
    A. Suprascapular nerve
    Explanation
    The MRI reveals a cystic mass lodged within the tagged area, and the question asks which structure is most likely to be compressed by this mass. The suprascapular nerve is the most likely structure to be compressed because it runs through the suprascapular notch, which is located in the region where the cystic mass is found. Compression of the suprascapular nerve can cause shoulder pain and weakness, which aligns with the patient's complaint of shoulder pain.

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  • 4. 
     An athlete presents to your clinic complaining of left shoulder pain. On examination, you determine that she has injured the rotator cuff muscle tagged in the following image. You inform the athlete that she will have difficulty moving her upper extremity in   ____________ . - ProProfs

     An athlete presents to your clinic complaining of left shoulder pain. On examination, you determine that she has injured the rotator cuff muscle tagged in the following image. You inform the athlete that she will have difficulty moving her upper extremity in   ____________ .

    • Abduction

    • Adduction

    • Flexion

    • Extension

    • Medial rotation

    Correct Answer
    A. Abduction
    Explanation
    The athlete will have difficulty moving her upper extremity in abduction because the rotator cuff muscle tagged in the image is responsible for initiating and controlling abduction of the shoulder joint.

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  • 5. 
     What is the proximal attachment of the muscle that attaches distally to the tagged structure? - ProProfs

     What is the proximal attachment of the muscle that attaches distally to the tagged structure?

    • Infraspinatus fossa

    • Spine of the scapula

    • Superior angle of the of the scapula

    • Supraspinatus fossa

    • Supraglenoid fossa

    Correct Answer
    A. Spine of the scapula
    Explanation
    The proximal attachment of the muscle that attaches distally to the tagged structure is the Spine of the scapula.

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  • 6. 
     Which one of the following statements is true about the structures that form the superior and inferior boundaries of the tagged space: - ProProfs

     Which one of the following statements is true about the structures that form the superior and inferior boundaries of the tagged space:

    • Both are innervated by dorsal scapular nerve

    • Both have distal attachments to the greater tubercle of humerus

    • Both help to medially rotate the arm

    • Both are innervated by the axillary nerve

    • Both are supplied by the circumflex scapular artery

    Correct Answer
    A. Both are supplied by the circumflex scapular artery
    Explanation
    Both the superior and inferior boundaries of the tagged space are supplied by the circumflex scapular artery.

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  • 7. 
     The tagged artery is a branch of which artery? - ProProfs

     The tagged artery is a branch of which artery?

    • Axillary

    • Suprascapular

    • Posterior circumflex humeral

    • Subscapular

    • Brachial

    Correct Answer
    A. Brachial
    Explanation
    The question asks which artery is the tagged artery a branch of. The correct answer is "Brachial." This means that the tagged artery is a branch of the brachial artery.

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Quiz Review Timeline (Updated): Mar 22, 2023 +

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  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 09, 2011
    Quiz Created by
    Chachelly
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