Sternum, Clavicle, And Rib Labeling

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Sternum, Clavicle, And Rib Labeling - Quiz

Label the sternum, clavicle, and ribs using pictures from the Human Bone Manual.


Questions and Answers
  • 1. 

    What bone is this? (side, bone)

    Explanation
    The bone depicted in the image is the right clavicle. The clavicle, also known as the collarbone, is a long bone that connects the sternum to the scapula. It is easily identifiable due to its S-shaped curvature and its location in the upper chest region. In this case, the bone shown is on the right side of the body.

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  • 2. 

    Structure: 1

    Explanation
    This answer suggests that the structure being described has both a trapezoid line and an oblique ridge. These are two distinct features that can be found in various anatomical structures. The trapezoid line refers to a specific line or ridge-shaped structure that resembles a trapezoid shape, while the oblique ridge is a ridge that runs diagonally across a surface. Therefore, the correct answer indicates that both of these features are present in the given structure.

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  • 3. 

    Structure: 2

    Explanation
    The correct answer is subclavian sulcus, subclavian groove. The subclavian sulcus and subclavian groove are anatomical terms that refer to the same structure. They both describe a shallow groove on the inferior surface of the clavicle bone, where the subclavius muscle attaches. This groove provides a location for the subclavius muscle to anchor and stabilize the clavicle.

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  • 4. 

    Structure: 3

    Explanation
    The given answer includes two terms: costal impression and costal tuberosity. These are anatomical structures related to the ribs. Costal impression refers to a depression or groove on a bone surface that is caused by the presence of adjacent structures, such as blood vessels or organs. Costal tuberosity, on the other hand, refers to a bony prominence or bump on the rib where muscles and ligaments attach. Therefore, the answer suggests that both costal impressions and costal tuberosities are present in the given structure.

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  • 5. 

    Structure: 4

  • 6. 

    Structure: 1

    Explanation
    The jugular notch is a structure located at the superior border of the sternum, also known as the breastbone. It is a concave depression that can be palpated at the base of the neck. The jugular notch serves as a landmark for various anatomical measurements and procedures, such as determining the level of the second rib or performing a central venous catheter insertion. It is an important anatomical feature that helps healthcare professionals locate and identify structures in the neck and chest region.

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  • 7. 

    Structure: 2

    Explanation
    The clavicular notch is a structure located in the human body. It is a depression or groove found on the upper surface of the sternum, specifically on the manubrium. This notch serves as an important landmark for the articulation of the clavicle (collarbone) with the sternum. The clavicle fits into the clavicular notch, forming the sternoclavicular joint. This joint allows for movement of the shoulder and provides stability to the upper limb.

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  • 8. 

    Structure: 3 (bone)

    Explanation
    The given answer "manubrium" is the correct answer because the question is asking for a structure that is a bone, and the manubrium is a bone. The manubrium is a part of the sternum, which is located in the chest area. It is the uppermost segment of the sternum and connects to the clavicles and the first rib.

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  • 9. 

    Structure: 4 

    Explanation
    Costal notches refer to the small indentations or gaps found on the inferior border of the ribs. These notches allow for the passage of blood vessels and nerves that supply the muscles and tissues of the chest wall. They also contribute to the flexibility of the rib cage, allowing for expansion during respiration. The presence of costal notches is a characteristic feature of ribs and is important for their function in protecting the organs of the thoracic cavity.

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  • 10. 

    Structure: 5 (bone)

    Explanation
    The term "corpus sterni" refers to the body of the sternum, which is the long flat bone located in the center of the chest. The sternum consists of three parts, including the manubrium, body (corpus sterni), and xiphoid process. In this case, the answer "corpus sterni" specifically identifies the body of the sternum as the structure being referred to.

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  • 11. 

    Groove along the medial side of the  inferior edge of the rib shaft? _________

    Explanation
    The groove along the medial side of the inferior edge of the rib shaft is known as the costal groove. This groove serves as a pathway for the intercostal blood vessels and nerves, which run along the rib shaft. It helps protect and provide support to these important structures, ensuring their proper functioning.

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  • 12. 

    Blunt, smooth, convex edge of the rib?

    Explanation
    The correct answer options all describe the same characteristic of the rib, which is the edge that is blunt, smooth, and convex. The term "cranial" refers to the direction towards the head, so the cranial edge of the rib would be the upper edge. Therefore, all three options - cranial, cranial edge, and upper edge - accurately describe the same feature of the rib.

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  • 13. 

    Sharp edge of rib that points inferiorly?

    Explanation
    The sharp edge of the rib that points inferiorly is referred to as the caudal edge or lower edge. "Caudal" is a term used in anatomy to describe a position or direction towards the tail or lower part of the body. Therefore, the caudal edge or lower edge accurately describes the sharp edge of the rib that is pointing downward.

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