Question 1

Which of the following bones is NOT part of the appendicular skeleton?

Accepted Answer

Sternum

Question 2

A patient presents with a fracture at the flattened end of the clavicle. Which anatomical term best describes this location?

Accepted Answer

Acromial end

Question 3

The human skeleton is divided into two main sections. If the total number of bones is 206, how many bones are in the appendicular skeleton?

Accepted Answer

$$126$$

Question 4

Which feature of the scapula articulates with the head of the humerus to form the shoulder joint?

Accepted Answer

Glenoid cavity

Question 5

A right clavicle can be distinguished from a left clavicle by which of the following criteria?

Accepted Answer

The acromial end must point forward and the inferior side of the bone must be underneath.

Question 6

Which of the following best describes the function of the clavicle in the appendicular skeleton?

Accepted Answer

It serves as a strut to keep the upper limb away from the thorax, allowing for maximum range of motion.

Question 7

A medical student is examining a scapula and notes the presence of a prominent spine on one side. Which surface is the student observing?

Accepted Answer

Posterior surface

Question 8

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

Accepted Answer

Clavicle and scapula

Question 9

Which of the following statements about the sternal end of the clavicle is correct?

Accepted Answer

It is the round end that articulates with the sternum.

Question 10

A trauma patient has a fracture at the acromial end of the clavicle. Which movement of the upper limb is most likely to be affected?

Accepted Answer

Abduction at the shoulder

Question 11

Which of the following best explains why the clavicle is one of the most commonly fractured bones in the body?

Accepted Answer

It is a thin bone with little muscle protection and transmits forces from the upper limb to the axial skeleton.

Question 12

A radiograph shows a fracture at the lateral end of the clavicle. Which anatomical landmark is closest to this fracture?

Accepted Answer

Acromial end

Question 13

Which of the following is a correct pairing of bone and its anatomical feature?

Accepted Answer

Scapula – Acromion process

Question 14

During a physical exam, a physician palpates a bony prominence on the superior aspect of the shoulder. Which structure is most likely being palpated?

Accepted Answer

Acromion process

Question 15

If the acromial end of the clavicle is fractured, which joint is most likely to be compromised?

Accepted Answer

Acromioclavicular joint

The Appendicular Skeleton: Structure and Key Bones

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