Skeletal System

Question 1

Define the part of the bone: Diaphysis

Answer 1

Central shaft-like portion; thick compact bone

Question 2

Define the part of the bone: Articular Cartilage

Answer 2

Covers the ends of bones (epiphysis); helps to ease the movement of the bone within a joint

Question 3

Define the part of the bone: Medullary Cavity

Answer 3

Central hollow portion

Question 4

Define the part of the bone: Endosteum

Answer 4

Thin epithelial membrane inside the medullary cavity

Question 5

Define the part of the bone: Periosteum

Answer 5

A dense fibrous membrane covering the diaphysis

Question 6

Define the part of the bone: Epiphyseal plate

Answer 6

Found in growing children; separates the epiphysis from the diaphysis at each end of long bones

Question 7

Define the part of the bone: Red Bone Marrow

Answer 7

Soft tissue filling medullary cavity of long bones; produces red blood cells

Question 8

What makes up the Axial Skeleton

Answer 8

Skull, ribcage, and vertebral column

Question 9

What makes up the Appendicular Skeleton

Answer 9

Limbs, pelvic area, and shoulder area

Question 10

Which bone(s) from the forehead and the roof of the eye sockets?

Answer 10

Frontal Bone (1 bone)

Question 11

Which bone(s) join together at the top of the head to form the top and sides of the cranial cavity?

Answer 11

Parietal Bones (2 bones)

Question 12

Which bone(s) form the rear of the skull?

Answer 12

Occipital Bone (1 bone)

Question 13

Which bone(s) form the sides of the cranium and part of the cranial floor; also contain the structures of the inner and middle ear?

Answer 13

Temporal Bones (2 bones)

Question 14

Which bone(s) form a key part of the cranial floor and the side walls of the orbits. Appears as a giant moth and houses the pituitary gland.

Answer 14

Sphenoid Bone (1 bone)

Question 15

Which bone(s) contributes to the walls of the orbits, the roof and walls of the nasal cavity, and the nasal septum.

Answer 15

Ethmoid Bone (1 bone)

Question 16

Which bone(s) shape the cheeks and outer edge of the orbit?

Answer 16

Zygomatic Bones (2 bones)

Question 17

Which bone(s) meet to form the upper jaw?

Answer 17

Maxillae (2 bones)

Question 18

Which bone(s) articulate with the temporal bone at the TMJ, making it the only facial bone that can move?

Answer 18

Mandible (1 bone)

Question 19

Which bone(s) are paper-thin and form the part of the side wall of the orbit?

Answer 19

Lacrimal Bones (2 bones)

Question 20

Which bone(s) form the bridge of the nose?

Answer 20

Nasal Bones (2 rectangular bones)

Question 21

Which bone(s) contribute to the nasal cavity?

Answer 21

Inferior Nasal Conchae (2 bones)

Question 22

Which bone(s) form the inferior half of the nasal septum?

Answer 22

Vomer ( 1 bone)

Question 23

Which bone(s) form the posterior portion of the hard palate, part of the wall of the nasal cavity, and part of the floor of the orbit?

Answer 23

Palatine Bones (2 bones)

Question 24

Define: Vertebral Foramen

Answer 24

An opening allowing for the passage of the spinal cord

Question 25

Define: Body ( vertebrae)

Answer 25

The weight-bearing portion of the vertebrae

Question 26

Define: Spinous Process

Answer 26

The bumps you can feel along spine that project posteriously

Question 27

Define: Transverse Processes

Answer 27

Extending from each side of the vertebrae, they serve as attachment points for muscles and ligaments

Question 28

What does the Thoracic cage consist of?

Answer 28

Thoracic Vertebrae, Sternum, and Ribs

Question 29

What are the 3 regions of the sternum?

Answer 29

Manubrium (broadest portion), Body (longest portion), Xiphoid Process (important landmark for CPR)

Question 30

What is the Pectoral Girdle composed of?

Answer 30

Clavicle & Scapula

Question 31

What is the Acromian Process?

Answer 31

The extension of the scapula that meets the clavicle

Question 32

What is the Glenmoid Process?

Answer 32

The shallow socket connecting the scapula to the humerous

Question 33

What is the Humerus?

Answer 33

The long bone of the upper arm

Question 34

What is the Radius?

Answer 34

One of the two bones in the lower arm; located on the thumb side

Question 35

What is the Ulna?

Answer 35

One of the two bones in the lower arm; located on the pinky side

Question 36

What are the Carpal Bones?

Answer 36

Bones that form the wrist; 8 carpal bones

Question 37

What are the Metacarpal Bones?

Answer 37

Bones forming the palm of the hand; 5 bones

Question 38

What are the phalanges?

Answer 38

Fingers and toes

Question 39

What is the Acetabulum?

Answer 39

A depression that houses the head of the femur to form the hip socket

Question 40

What is the Iliac Crest?

Answer 40

The upper, outer edge of the ilium

Question 41

Which bone of the lower leg bears weight?

Answer 41

Tibia; commonly called the shin bone

Question 42

What is the purpose of the Fibula?

Answer 42

To stabilize the ankle; does not bear any weight

Question 43

What bones comprise the ankle?

Answer 43

Tarsal bones

Question 44

What is the calcaneus bone?

Answer 44

The largest tarsal bone- forms the heal; bears much of the bodys weight

Question 45

What are the metatarsals?

Answer 45

Five bones forming the middle of the foot

Question 46

Define Tendon

Answer 46

Strong, fibrous cord through which a muscle attaches to bone

Question 47

Define Ligament

Answer 47

Tough cords of connective tissue that help bind bones more firmly together