Skeletal System

Question 1

How many bones does an average adult have?

Answer 1

206 bones

Question 2

has 80 total bones, composed of the skull, auditory ossicles, in the ear, hyoid bone, vertebral column and rib cage

Answer 2

Axial Skeleton

Question 3

consists of the pectoral girdle and the upper limb bones and has a total of 126 bones

Answer 3

Appendicular Skeleton

Question 4

has 8 cranial vault and 14 bones in the face that sums up to 22 bones

Answer 4

Skull

Question 5

what consist of 2 parietal bones, 2 temporal bones, Occipital bone, Sphenoid bone, Ethmoid Bone, Frontal Bone

Answer 5

8 Cranial bones in the skull

Question 6

is when the parietal bones and occipital bone join together

Answer 6

Lambdoid structure

Question 7

is the union between temporal, parietal and the occipital bone

Answer 7

Squamous suture

Question 8

found in the frontal, ethmoid bones, maxillary-largest, sphenoid

Answer 8

Paranal Sinuses (FEMS)

Question 9

major entry and exit points for blood vessels that supply the brain

Answer 9

foramen magnum

Question 10

(shaped like a hammer), (shaped like an anvil), (shaped like a stirrup, smallest bone in the body)

Answer 10

Malleus, Incus, Staples

Question 11

is an unpaired, U-shaped bone not part of the skull but attached to the skull

Answer 11

Hyoid bone

Question 12

supports the weight of the head and trunk, protects spinal cord, provides a site for muscle attachment

Answer 12

Vertebral Column

Question 13

has 26 bones 7 cervical, 5 lumbar, 12 thoracic, 1 sacral, 1 coccygeal

Answer 13

Vertebral Column

Question 14

made up of your sternum and 12 ribs, 12 thoracic vertebrae

Answer 14

Rib cage

Question 15

protects the heart and lungs within the thorax and forms a semighrid

Answer 15

Thoracic cage

Question 16

“sword shape”, breastbone

Answer 16

Sternum

Question 17

“sword handle” (handle)

Answer 17

Manubrium

Question 18

“Blade” (body)

Answer 18

Gladiolus

Question 19

“sword tip”

Answer 19

Xiphoid process

Question 20

superior margin of the manubrium

Answer 20

jugular notch

Question 21

consists of two pairs of bones that attach the upper limb into the body

Answer 21

Pectoral Girdle

Question 22

composed of 8 carpal bones, short region between the forearm and the hand

Answer 22

wrist

Question 23

scaphoid lunate, triquetrum, pisiform

Answer 23

proximal row

Question 24

hamate, capitate, trapezoid, trapezium

Answer 24

distal row

Question 25

support the body and are essential for standing, walking and running

Answer 25

lower limb

Question 26

a ring of bone consisting of right and left hipbones and sacrum

Answer 26

pelvic girdle

Question 27

what bone consist of three bones which are Ilium, Ischium, Pubis

Answer 27

Hip bone

Question 28

superior portion of the ilium

Answer 28

Iliac crest

Question 29

part of the lower limb between the knee and the ankle

Answer 29

leg

Question 30

larger bone and supports 90% of the weight

Answer 30

Tibia

Question 31

bone that only supports 10% of the weight

Answer 31

Fibula

Question 32

has a total of 26 bones, 7 tarsal bones, 5 metatarsal and 14 phalanges

Answer 32

Foot

Question 33

when bones connect or join together

Answer 33

joints

Question 34

these are seams found only between the bones of the skull

Answer 34

fibrous joints

Question 35

slightly moveable type of fibrous joint

Answer 35

syndesmosis

Question 36

specialized joints consisting of pegs that fit into sockets

Answer 36

fibrous joints

Question 37

joints that are united by means of cartilage such as hyaline or fibrocartilage

Answer 37

Cartilaginous Joints

Question 38

contain synovial fluid, allow considerable movement between articulating bones

Answer 38

Synovial Joints

Question 39

-occurring around one-axis -occurring around two-axis -occurring around any axis

Answer 39

Uniaxial Biaxial Multiaxial

Question 40

"gliding joint"

Answer 40

plane joint

Question 41

consists of two saddled-shape articulating surfaces oriented at right angles to each other so that their complementary surfaces articulate

Answer 41

saddle joint

Question 42

Uniaxial joint in which a convex cylinder in one bone is applied to a corresponding bone

Answer 42

hinge joint

Question 43

joint that restricts movement to rotation around a single axis

Answer 43

pivot joint

Question 44

consists of a ball (head) at the end of one bone

Answer 44

ball and socket joint

Question 45

a modified ball-and-socket joint, articular surfaces are ellipsoid in shape

Answer 45

ellipsoid joint

Question 46

connective tissue of the joint becomes less flexible and the rigidity increases the rate of wear the articulating joint

Answer 46

aging on the joints

Question 47

decreases the angle of a joint

Answer 47

Flexion

Question 48

increases the angle of a joint

Answer 48

extension

Question 49

the foot is moving upwards

Answer 49

dorsiflexion

Question 50

the foot is moving downwards

Answer 50

plantar flexion

Question 51

away from the median plane

Answer 51

abduction

Question 52

towards the median plane

Answer 52

adduction

Question 53

medial and lateral rotations

Answer 53

rotations

Question 54

forearm faces down supination

Answer 54

pronation

Question 55

circular movement of the shoulder combination

Answer 55

circumduction

Question 56

closing the mouth

Answer 56

elevation

Question 57

opening the mouth

Answer 57

depression

Question 58

sticking the chin out

Answer 58

protraction

Question 59

pulling the lower jaw backward

Answer 59

retraction

Question 60

side to side of the mandible

Answer 60

excursion

Question 61

opposition and reposition

Answer 61

thumb

Question 62

what bone consist of these: -humerus -radius -ulna -Clavicle -Metacarpals -Femur -Tibia -Fibula

Answer 62

long bone

Question 63

what bone consist of these: -Carpal bones which are scaphoid, lunate, triquetrum, pisiform, trapezium, trapezoid, capitate, hamate -Tarsal bones which are calcaneus, talus, navicular, cuboid, medial cuneiform, intermediate cuneiform, lateral cuneiform

Answer 63

short bone

Question 64

what type of bone are in the cranial cavity, ribs, scapula, sternum

Answer 64

Flat bone

Question 65

Vertebra Facial Bones

Answer 65

Irregular bone

Question 66

formation that occurs within connective tissue membranes

Answer 66

Intramembranous Ossification

Question 67

type of bone formation that forms primarily in the bones of the skull

Answer 67

Intramembranous Ossification

Question 68

osteoblasts line up on the surface of connective tissue fibers and begin depositing bone matrix to form trabeculae

Answer 68

Intramembranous Ossification

Question 69

formation of bones of the skull, mandible, and clavicle

Answer 69

Intramembranous Ossification

Question 70

formation that occurs inside hyaline cartilage

Answer 70

Endochondral Ossification

Question 71

forms mostly in the remaining skeletal system

Answer 71

Endochondral Ossification

Question 72

Chondrocytes increase in number --> cartilage model to increase in size --> cartilage matrix to become calcified --> osteoblasts start forming bone

Answer 72

Endochondral Ossification

Question 73

Primary Ossification formation

Answer 73

Diaphysis

Question 74

Secondary Ossification formation

Answer 74

Epiphysis

Question 75

formation of bones in the upper limb, bones of the lower limb, pelvis and the vertebra

Answer 75

Endochondral Ossification

Question 76

List the bones in the skull and how many are there: -Cranial -Facial bones

Answer 76

Cranial there are a total of 8: -2 parietal bones -2 temporal bones -1 frontal bone -1 sphenoid bone -1 ethmoid bone -1 Occipital bone Facial bones have a total of 14: -2 Zygomatic bones -2 Maxilla bones -2 Palatine bones -2 Lacrimal bones -2 Nasal bones -2 Inferior Nasal Conchae -1 Mandible -1 Vomer

Question 77

List the Auditory Ossicles and how many are there

Answer 77

There are three bones -Malleus -incus -Stapes

Question 78

List the rib cage bones and how many are there

Answer 78

Rib cage has a total of 25 bones: -1 sternum = breastbone -Ribs have 12 in pairs so 24