Question 1

Which bone is NOT part of the pectoral girdle?

Accepted Answer

Humerus

Question 2

The medial end of the clavicle articulates with which structure?

Accepted Answer

Manubrium of the sternum

Question 3

Which anatomical feature of the scapula serves as the attachment site for the upper limb at the shoulder joint?

Accepted Answer

Glenoid cavity

Question 4

If a patient suffers a fracture at the acromioclavicular joint, which bones are directly involved?

Accepted Answer

Clavicle and scapula

Question 5

Which border of the scapula is closest to the vertebral column?

Accepted Answer

Medial border

Question 6

The acromion is a process found on which bone?

Accepted Answer

Scapula

Question 7

Which statement best describes the function of the pectoral girdle?

Accepted Answer

It attaches the upper limbs to the trunk.

Question 8

A fracture at the lateral end of the clavicle would most likely affect which joint?

Accepted Answer

Acromioclavicular joint

Question 9

Which anatomical landmark is found at the superior border of the scapula and serves as a passage for nerves?

Accepted Answer

Suprascapular notch

Question 10

If the scapula did join the axial skeleton, which movement of the upper limb would be most restricted?

Accepted Answer

Rotation at the shoulder

Question 11

Which of the following best explains why the pectoral girdle does not completely encircle the body?

Accepted Answer

The scapulae do not join each other or the axial skeleton.

Question 12

Which angle of the scapula is located at the junction of the superior and medial borders?

Accepted Answer

Superior angle

Question 13

A patient presents with pain at the supraspinous fossa. Which muscle attachment is most likely affected?

Accepted Answer

Supraspinatus

Question 14

Which of the following is TRUE regarding the structural plan of the upper and lower limbs?

Accepted Answer

They share the same structural plan but differ in function.

Question 15

Which joint is formed by the articulation of the acromion and the clavicle?

Accepted Answer

Acromioclavicular joint

Question 16

If the medial border of the scapula is fractured, which movement may be most affected?

Accepted Answer

Retraction of the scapula

Question 17

Which anatomical feature is found on the posterior aspect of the scapula and separates the supraspinous and infraspinous fossae?

Accepted Answer

Spine of the scapula

Question 18

Which of the following equations best represents the number of borders ($$b) $$and angles ($$a) of $$the scapula?

Accepted Answer

$$b = 3, a = 3$$

Question 19

A patient with a dislocated shoulder has likely disrupted the articulation between which two structures?

Accepted Answer

Scapula (glenoid cavity) and humerus

Question 20

Which of the following best describes the location of the scapulae?

Accepted Answer

On the dorsal surface of the rib cage between ribs 2–7

The Appendicular Skeleton: Pectoral Girdle and Upper Limb

Study Guide - Practice Questions