$$ 2 \times (upper\ limb\ bones) + 2 \times (lower\ limb\ bones) + 2 \times (pectoral\ girdle\ bones) + pelvic\ girdle\ bones = 126 $$

Question 1

Which of the following best describes the function of the pectoral (shoulder) girdle?

Accepted Answer

It attaches the upper limbs to the trunk and provides a surface for muscle attachment.

Question 2

How many bones are found in the appendicular skeleton?

Accepted Answer

$$ 126 $$

Question 3

Which bones form the pelvic girdle?

Accepted Answer

2 hip bones, sacrum, and coccyx

Question 4

The appendicular skeleton includes which of the following?

Accepted Answer

Upper and lower limbs, pectoral and pelvic girdles

Question 5

Which statement about the pectoral girdle is correct?

Accepted Answer

It consists of the clavicle and scapula and does not fully encircle the body.

Question 6

During a jump, which anatomical structure helps maintain the shape of the shoulder?

Accepted Answer

Pectoral girdle

Question 7

Which joint is formed by the medial end of the clavicle?

Accepted Answer

Sternoclavicular joint

Question 8

Which of the following is a function of the pelvic girdle?

Accepted Answer

Supports the lower limbs and attaches them to the trunk

Question 9

Which bone does NOT belong to the pectoral girdle?

Accepted Answer

Femur

Question 10

A patient suffers a fracture to the scapula. Which function might be most affected?

Accepted Answer

Attachment of muscles that move the upper limb

Question 11

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

Accepted Answer

It allows for greater mobility of the upper limb.

Question 12

Which anatomical feature is shared by both the pectoral and pelvic girdles?

Accepted Answer

Both attach limbs to the axial skeleton.

Question 13

If the pelvic girdle is damaged, which activity would be most affected?

Accepted Answer

Running

Question 14

Which of the following is NOT a component of the pelvic girdle?

Accepted Answer

Clavicle

Question 15

Which equation correctly represents the total number of bones in the appendicular skeleton?

Accepted Answer

$$ 2 	imes (upper\ limb\ bones) + 2 	imes (lower\ limb\ bones) + 2 	imes (pectoral\ girdle\ bones) + pelvic\ girdle\ bones = 126 $$

Question 16

Which structure is responsible for attaching the lower limbs to the trunk?

Accepted Answer

Pelvic girdle

Question 17

Which of the following statements about limb function is correct?

Accepted Answer

Upper limbs are specialized for manipulation and movement, while lower limbs are specialized for support and locomotion.

Question 18

Which joint is formed by the lateral end of the clavicle?

Accepted Answer

Acromioclavicular joint

Question 19

A football player injures his pelvic girdle. Which of the following is most likely to be impaired?

Accepted Answer

Ability to run and support body weight

Question 20

Which of the following best describes the difference between the pectoral and pelvic girdles?

Accepted Answer

The pectoral girdle does not fully encircle the body, while the pelvic girdle forms a complete ring.

The Appendicular Skeleton: Structure and Function

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