skeletal system

Question 1

5 function of bones?

Answer 1

• form framework to support movement
• protects vital organs
• attach to muscles to provide movement
• help produce red & white blood cells
• store calcium supply in body

Question 2

8 bones that form cranium

Answer 2

(1) frontal , (2) parietal , (2) temporal , (1) ethmoid, (1) occipital, (1) sphenoid

Question 3

frontal bone (cranium)

Answer 3

forms forehead, orbital roof, anterior cranial floor

Question 4

parietal bone (cranium)

Answer 4

roof / upper side of cranium

Question 5

temporal bone (cranium)

Answer 5

forms side and base of cranium

Question 6

ethmoid bone (cranium)

Answer 6

part of orbit floor of cranium

Question 7

occipital bone (cranium)

Answer 7

forms the back/ base of cranium

Question 8

sphenoid bone (cranium)

Answer 8

forms anterior base of skull and part of wall of orbit

Question 9

26 vertebrae?

Answer 9

protect spinal cord and support head/trunk of body

Question 10

what are the 26 vertebrates?

Answer 10

7 cervical (neck) , 12 thoracic (chest) , 5 lumbar (lower back), 1 sacrum (back/ pelvic girdle) , 1 coccyx (tail bone)

Question 11

true ribs?

Answer 11

first 7 ribs, attached to sternum (breastbone)

Question 12

false ribs?

Answer 12

next 3 ribs, attached to the cartilage of rib

Question 13

floating ribs?

Answer 13

last 2 ribs, no attachment to the front of the body

Question 14

small piece of cartilage attached to the sternum?

Answer 14

xiphoid process

Question 15

three regions on each os coxae?

Answer 15

Illium, ischium, and pubis.

Question 16

3 types of joints

Answer 16

diarthrosis, amphiarthrosis, synarthrosis

Question 17

diarthrosis degree of movement? example?

Answer 17

• freely movable

- ball socket on shoulder

Question 18

amphiarthrosis degree of movement? example?

Answer 18

• slightly movable

- attachment of rib to thoraci

Question 19

synarthrosis degree of movement? example?

Answer 19

• immovable

- cranium

Question 20

purpose of ligaments?

Answer 20

tissue that connects bone to bone.

Question 21

arthritis?

Answer 21

inflammation of joints

Question 22

fracture?

Answer 22

crack or break in bone

Question 23

osteomyelitis?

Answer 23

bone inflammation

Question 24

osteoporosis?

Answer 24

bones become brittle/ fragile from loss of tissue

Question 25

sprain?

Answer 25

twisting actions tears ligaments of joints

Question 26

bursitis?

Answer 26

inflammation of a bursae

Question 27

dislocation?

Answer 27

bone forcibly displaces from joint

Question 28

scoliosis?

Answer 28

abnormal lateral curvature of the spine

Question 29

what body parts are the long bones?

Answer 29

bones in legs and arms

Question 30

what do the long bones do? why important?

Answer 30

• provide support and strength

- important because red and yellow marrow

Question 31

wheres red marrow found? what dose it do?

Answer 31

• found in proximal end of humerus (arm) and femur (leg) as well as vertebrae, ribs, cranium and sternum.
• makes RBC’s, platelets and some WBC’s

Question 32

whats blood made up of?

Answer 32

48% RBC’s, 2% WBC’s, 50% plasma

Question 33

yellow marrow?

Answer 33

fat cells

Question 34

whats the skull used for? made up of?

Answer 34

• provides protection for are brain

- its made up of cranial bones and facial bones

Question 35

how many bones make up the skull?

Answer 35

eight bones

Question 36

sutures

Answer 36

area where cranial bones join together

Question 37

whats the vertebral spinal column?

Answer 37

26 bones that make up the vertebral column, they protect the spinal cord and support the head and trunk of body

Question 38

what are pads between vertebrates do?

Answer 38

act as disks as shock absorbers, allows you to twist and bend

Question 39

joints?

Answer 39

area where two bones attach for purpose of motion in the body

Question 40

greenstick fracture?

Answer 40

when the bone is bent, mostly in kids

Question 41

comminuted fracture?

Answer 41

when bones shattered into a bunch of pieces

Question 42

impacted fracture?

Answer 42

the ends of bone are driven into each other

Question 43

pathologic fracture?

Answer 43

caused by disease that weekends the bones

Question 44

grout?

Answer 44

type of arthritis that forms when too much uric acid builds up in the body, joints inflame and swell up alot

Question 45

bursitis?

Answer 45

inflammation of a small fluid sac that’s surrounding the joint.

Question 46

ruptured disk

Answer 46

when disk slips out of place and puts pressure on the spinal cord