Chapter 8: The Skeletal System - The Appendicular skeleton

Question 1

The 126 bones of the appendicular skeleton are primarily concerned with?

Answer 1

movement.

Question 2

As “appendages” to the central skeleton, what skeleton bones include those of the upper and lower limbs (including the girdles that attach them to the axial skeleton)?

Answer 2

appendicular skeleton bones

Question 3

The bones of the shoulder (pectoral) girdle include the?

Answer 3

scapula and the clavicle

Question 4

The triangular shaped scapula is also called the?

Answer 4

shoulder blade.

Question 5

The clavicle is “S” shaped:

The medial end articulates with the manubrium of the sternum forming the?

Answer 5

sternoclavicular joint.

Question 6

The lateral end articulates with the acromion forming the?

Answer 6

acromioclavicular joint.

Question 7

Between the tubercles of the humerus lies the ____ ____ or sulcus(bicipital groove) where the long head of the biceps brachii tendon

Answer 7

intertubercular groove

Question 8

The two bones of the forearm are the?

Answer 8

radius and ulna

Question 9

The diaphysis (shaft) of the radius and ulna are connected by an?

Answer 9

interosseus membrane.

Question 10

Proximally, the head of the radius articulates with the radial notch of the?

Answer 10

ulna.

Question 11

Distally, the head of the ulna articulates with the ulnar notch of the?

Answer 11

radius.

Question 12

The wrist, or carpus, is made up of how many carpal bones arranged in two rows?

Answer 12

8

Question 13

The palm of the hand has how many metacarpal bones?

Answer 13

Five

Question 14

The lower limb is directly anchored to the axial skeleton by a sacroiliac joint which links the pelvic bone to the?

Answer 14

sacrum.

Question 15

Based on the position of its major joints and component bones, the lower limb is divided into the ____ ____ (the major bones forming the hip girdle), thigh, leg, and foot.

Answer 15

gluteal region

Question 16

The gluteal region is between the iliac crest and the?

Answer 16

hip joint

Question 17

Each coxal (hip) bone consists of 3 bones that fuse together. They are?

Answer 17

Ileum
Ischium
Pubis

Question 18

What is a line from the sacral promontory to the upper part of the pubic symphysis?

Answer 18

The pelvic brim

Question 19

On the right and left sides, the os coxae are joined posteriorly to the sacrum, and anteriorly to one another at the ____ ____ (made of fibrocartilage).

Answer 19

pubic symphysis

Question 20

What is the longest, heaviest, and strongest bone in the thigh, and in the entire body?

Answer 20

The femur

Question 21

Proximally, the head of the femur articulates with the acetabulum of the hip bone forming the?

Answer 21

hip (coxal) joint.

Question 22

The neck of the femur (distal to head) is a common site of what?

Answer 22

Fracture

Question 23

Distally, the medial and lateral femoral condyles articulate with the tibia to form the?

Answer 23

knee joint.

The femur also articulates with patella.

Question 24

What is the largest and only named sesamoid bone in the body?

Answer 24

The patella (knee cap)

Question 25

Of the two bones in the leg, the ____ (always medial) is the largest and bears all the weight.

Answer 25

tibia

Question 26

Much like the forearm bones, the tibia and fibula are joined by an?

Answer 26

interosseous membrane.

Question 27

The tibia and fibula articulate with the talus bone of the ankle to form the?

Answer 27

ankle “mortise”

Question 28

The largest and strongest
tarsal bone, the
____, forms
the heel.

Answer 28

calcaneus

Question 29

The skull, Hyoid, Auditory Ossicles, Vertebral Column, and the Thorax are found in the Axial or Appendicular Skeleton?

Answer 29

The Axial

Question 30

The Appendicular skeleton contains what bone structures?

Answer 30

Pectoral (Shoulder) girdles, Upper Limbs, Pelvic (Hip girdles) and Lower limbs.

Question 31

Found in the Axial Skeleton the Skull contains what to bone structures?

Answer 31

Cranium and Face

Question 32

Found in the Axial Skeleton the thorax contains what two bone structures?

Answer 32

Sternum and Ribs

Question 33

Found in Appendicular Skelton the Pectoral girdles contain what two bone structures?

Answer 33

Clavicle and Scapula