The Skeletal system

Question 1

What is superior?

Answer 1

Top of body

Question 2

What is inferior?

Answer 2

Bottom of body

Question 3

What is proximal?

Answer 3

towards middle/up

Question 4

What is distal?

Answer 4

towards hand/feet

Question 5

What is medial?

Answer 5

Middle line

Question 6

What is lateral?

Answer 6

out to sides

Question 7

What is anterior?

Answer 7

front of body

Question 8

What is posterior?

Answer 8

Back of body

Question 9

What is ventral?

Answer 9

front of body

Question 10

What is dorsal?

Answer 10

Back of body

Question 11

What is a process?

Answer 11

outgrow from larger piece of bone- forms connection with another part

Question 12

What is a foramen?

Answer 12

opening that allows connection of nerves, arteries or veins between structures

Question 13

What is articulation?

Answer 13

a joint between bones/cartilages

Question 14

What is a suture?

Answer 14

rigid unmovable joint between bones- allows growth of skeleton when developing

Question 15

What is a sinus?

Answer 15

hollow spaces in skull and face- around nose

Question 16

What is a fossa?

Answer 16

shallow depression in bone shape

Question 17

How many bones does an infant vs. adult have?

Answer 17

Infant: 350
Adult: 214

Question 18

What are the two skeletal systems?

Answer 18

Axial and Appendicular

Question 19

What are the 6 bone classifications?

Answer 19

long bones, short bones, flat bones, irregular bones, sesamoid, accessory bones

Question 20

Give an example of a flat bone

Answer 20

skull, ribs or pelvis

Question 21

Give an example of a sesamoid bone

Answer 21

knee, wrist (floating bones)

Question 22

What are the main functions of bones?

Answer 22

Haumatopoeisis (blood cell production), Protection of vital organs, framework for support, movement, store of minerals and nutrients

Question 23

How many cranial bones are there?

Answer 23

8

Question 24

How many facial bones are there?

Answer 24

14

Question 25

What are the cranial bones called?

Answer 25

frontal bone, parietal bones, temporal bone, occipital bone, sphenoid bone, ethmoid bone

Question 26

What does the frontal bone do?

Answer 26

protects front of brain

Question 27

Where are the parietal bones?

Answer 27

Superior sides and roof of cranium

Question 28

How many parts make up the temporal bone?

Answer 28

4

Question 29

What does the occipital bone do?

Answer 29

protects posterior part of brain

Question 30

Where is the sphenoid bone found?

Answer 30

base of cranium

Question 31

What is the ethmoid bone the roof of?

Answer 31

Nasal cavity

Question 32

What are the facial bones called?

Answer 32

Nasal, lacrimal, inferior nasal concha, maxilla, mandible, vomer, zygomatic, palatine

Question 33

A lot of the facial bones are pairs- true or false?

Answer 33

true

Question 34

The mandible is the only moveable bone in the skull- true or false?

Answer 34

true

Question 35

When do the mandible halves fuse together in life?

Answer 35

1-2 years

Question 36

Where do you find the maxilla bones?

Answer 36

either side of nose- make up the upper jaw

Question 37

What shape are the palatine bones?

Answer 37

L shaped

Question 38

What are the cheek bones called?

Answer 38

zygomatic bones

Question 39

What are the nasal bones attached to?

Answer 39

lower nasal cartilage

Question 40

Where do you find the lacrimal bones?

Answer 40

In the medial wall of orbit, behind frontal process of maxilla

Question 41

What does the vomer bone form?

Answer 41

Posterior and inferior part of nasal septum and divides nasal cavities

Question 42

What shape are the inferior nasal conchae?

Answer 42

Shaped like curved leaves

Question 43

What is the vertebrae made up of?

Answer 43

hyoid bone, vertebral column, verterbrae

Question 44

Where is the hyoid bone?

Answer 44

Root of tongue, in the front of neck between lower jaw and thyroid cartilages

Question 45

What are the 5 parts of the vertebral column?

Answer 45

cervical, thoracic, lumbar, sacrum, coccyx

Question 46

What does the vertebral column do?

Answer 46

protects spinal cord

Question 47

What are the two special vertebrae at the top of the spine called?

Answer 47

Atlas (joins to skull) and Axis (allows rotation and movement of head)

Question 48

What is the bony thorax made up of?

Answer 48

sternum and ribs

Question 49

What is the sternum?

Answer 49

breastbone that provides anterior attachment site for ribs and protective cage for heart and lungs

Question 50

How many pairs of ribs do we have?

Answer 50

12

Question 51

How many true ribs do we have?

Answer 51

7 (1-7)

Question 52

How many false ribs do we have?

Answer 52

2 (8-10

Question 53

How many floating ribs do we have?

Answer 53

2 (11-12)