Pectoral Girdle Labeling Quiz
Questions: 16 · 10 minutes
1. Which clavicular landmark extends anterolaterally from the region of the conoid tubercle?
Trapezoid line
Subclavian groove
Costoclavicular impression
Deltoid tubercle
2. The costoclavicular ligament anchors the clavicle toward the first rib. Which clavicular marking records this attachment?
Costoclavicular impression
Conoid tubercle
Trapezoid line
Acromial facet
3. A label asks for the pectoral girdle bone that acts as a strut and provides the only direct bony connection between the upper limb and axial skeleton. Which bone is intended?
Scapula
Humerus
Clavicle
First rib
4. You are orienting an isolated clavicle. Which combination most reliably indicates that it is positioned correctly?
The rough surface faces superiorly, and the rounded end points laterally
The smoother surface faces superiorly, and the flattened end points laterally
The subclavian groove faces anteriorly, and the sternal end points laterally
The conoid tubercle faces superiorly, and the acromial end points medially
5. On an isolated clavicle, a small rough projection is visible on the inferior surface near the lateral end. Which landmark is it?
Conoid tubercle
Subclavian groove
Trapezoid line
Costoclavicular impression
6. A roughened area is found on the inferior surface near the sternal end of a clavicle. What should it be labeled?
Conoid tubercle
Costoclavicular impression
Trapezoid line
Suprascapular notch
7. A label points to the flattened lateral end of the clavicle. Which name belongs there?
Sternal end
Costal end
Acromial end
Manubrial end
8. Which projection of the scapula articulates with the lateral end of the clavicle?
Glenoid cavity
Coracoid process
Inferior angle
Acromion
9. Which two bones form the pectoral girdle on each side of the body?
Humerus and sternum
Scapula and humerus
Clavicle and sternum
Clavicle and scapula
10. The conoid part of the coracoclavicular ligament reaches the clavicle. Which landmark should be identified as its attachment?
Subclavian groove
Conoid tubercle
Acromial facet
Costoclavicular impression
11. A label marks the medial clavicular articulation at the sternoclavicular joint. Which part of the sternum belongs on the other side of that joint?
Body of the sternum
Xiphoid process
Manubrium
Sternal angle
12. What is the name of the thick, rounded medial end of the clavicle?
Sternal end
Acromial end
Coracoid end
Glenoid end
13. During a dissection, the subclavius muscle is followed to its clavicular insertion. Which feature should the student locate?
Conoid tubercle
Costoclavicular impression
Trapezoid line
Subclavian groove
14. A student traces the trapezoid part of the coracoclavicular ligament from the coracoid process to the clavicle. Where does it attach on the clavicle?
Subclavian groove
Trapezoid line
Sternal articular surface
Costoclavicular impression
15. A clavicle fracture is described at the transition between its broad medial portion and flatter lateral portion. Which region is being identified?
The center of the medial third
The acromial articular surface
The sternal articular surface
The junction of the medial two-thirds and lateral one-third
16. Which landmark occupies much of the inferior middle portion of the clavicular shaft?
Intertubercular sulcus
Costoclavicular impression
Subclavian groove
Spinoglenoid notch