Chapter 7 Skeletal System

Question 1

Ilium

Answer 1

Largest and upper most part of the hip bone.

It flares outward, forming the prominence of the hip

Question 2

Pelvis

Answer 2

The sacrum. coccyx, and pelvic girdle

Question 3

Pubis

Answer 3

Anterior portion of the hip bone

Question 4

Periosteum

Answer 4

Very tough membrane around bone
Very vascular
Spins off and connects with bone to become a tendon
Helps to form and repair blood tissue

Question 5

Medullary Cavity

Answer 5

Inner middle part of the hollow long tube in long bones

Question 6

Hinge Joint

Answer 6

Where the convex curve of one bone fits into the concave curve of another, it makes a joint that only moves one plane. (Like the elbow)

Question 7

Hyoid bone

Answer 7

Only free floating bone in the body. Below the chin, Supports and helps with movement of the tongue

Question 8

Last Night I Visibly Zigzagged My way to Paris Madam!

Answer 8

Lacrimal, Nasal, Inferior Nasal Conchae, Vomer, Zygomatic, Maxillae, Palantine, Mandible

Question 9

Bones of the Face

Answer 9

Lacrimal (2), Nasal (2), Interior Nasal Conchae (2), Vomer (1) Zygomatic (2), Maxillae (2), Palantine (2) Mandible (1)

Question 10

Cranium

Answer 10

Protects the brain

Question 11

Foramen

Answer 11

Hole

Question 12

7, 12, 5

Answer 12

7 Cervical Vertebrae, 12 Thoracic Vertebrae, 5 Lumbar

Question 13

How many True Ribs

Answer 13

7 Pairs

Question 14

How many False Ribs

Answer 14

5 Pairs

Question 15

How Many Floating Ribs

Answer 15

2 Pair, sometimes 3

Question 16

Pelvic Girdle

Answer 16

Hip area

Question 17

All ribs connect to…

Answer 17

the vertebral column

Question 18

What is the purpose of the rib cage?

Answer 18

To protect vital organs

Question 19

What is the function of the vertebral column

Answer 19

To protect and support

Question 20

Malleus

Answer 20

The first middle ear bone

Question 21

Incus

Answer 21

The second middle ear bone

Question 22

Stapes

Answer 22

The third middle ear bone (and the smallest in the body(

Question 23

What does the pelvic girdle include?

Answer 23

Anteriorly it connects the coxal and innominate bones, with the sacrum bone posteriorly

Question 24

What does the pelvic girdle include?

Answer 24

Hip bones, Pelvic bones (anteriorly) and the sacrum (posteriorly)

Question 25

What is the function of the pelvic girdle?

Answer 25

Supports the trunk Provides attachments for lower limbs Protects the urinary bladder, distal end of the upper intestines, and the internal reproductive organs

Question 26

Coxa

Answer 26

Hip bone / hip joint

Question 27

Manubrium

Answer 27

Near the top of the sternum

Question 28

Vertebronchondra

Answer 28

Includes the false and floating ribs

Question 29

Hyaline Cartilage

Answer 29

Connects cartilagenous joints

Question 30

Coronal Structure

Answer 30

Connects the frontal and parietal because at birth they do not meet

Question 31

How many tarsal bones are there?

Answer 31

7

Question 32

Where is the ethmoid sinus

Answer 32

By the tear ducts

Question 33

Osteoblasts

Answer 33

Immature bone cells The brick layers Works with osteocytes to make strong bones When surrounded, makes osteocytes

Question 34

Osteocytes

Answer 34

``` Mature bone cells Assist in bone repair Keep bones health Maintain structure by recycling Work with osteoblasts to make strong bones ```

Question 35

Osteoclasts

Answer 35

``` Large and multi-nucleated Act in clusters Function is to breakdown calcified matrix Short life span Tunnel into old blood tissue ```

Question 36

Endochondral Ossification

Answer 36

1st, cartilage develops. Then bone formation begins. Last, overtime the plates will close so we stop growing