Anatomy: Skeletal System

Question 1

What are the 5 functions of bone?

Answer 1

1.) Support
2.) Protection
3.) Leverage
4.) Storage
5.) Blood Cell Formation

Question 2

What number hardest natural substance is bone?

Answer 2

The 2nd Hardest

Question 3

What cells are embedded in the matrix?

Answer 3

Osteoblasts & Osteocytes

Question 4

What is ossification?

Answer 4

The Hardening of the Matrix

Question 5

Cancellous bone is…

Answer 5

Light & Spongy

Question 6

Compact bone is…

Answer 6

Heavy & Dense

Question 7

Compact bone has…

Answer 7

Haversian Systems Running Lengthwise

Question 8

What is outside all bones?

Answer 8

Compact Bone

Question 9

What are shafts of long bones?

Answer 9

Compact Bone

Question 10

The outer membrane of a bone is called the…

Answer 10

Periosteum

Question 11

What is the membrane that lines hollow interior surfaces?

Answer 11

The Endosteum

Question 12

What are osteoblasts?

Answer 12

Cells That Form Bone

Question 13

What is an osteocyte?

Answer 13

Osteoblasts Surrounded by Bone

Question 14

What do osteoclasts do?

Answer 14

Remodel & Remove Bone

Question 15

What is a Volkmann’s canal?

Answer 15

Channels That Contain Blood Vessels That Join at Right Angles to the Haversian System

Question 16

What is nutrient formina?

Answer 16

Large Channels in Large (& Long) Bones

Question 17

What does nutrient foramina do?

Answer 17

Carry Blood In & Out of Bone Marrow & Bone

Question 18

Spicules of bone with many spaces is…

Answer 18

Bone Marrow

Question 19

Spicules arranged to stand stress forces is…

Answer 19

Bone Marrow

Question 20

What is endochondral?

Answer 20

A Cartilage Template Replaced by Bone

Question 21

What is the primary growth center of a bone?

Answer 21

Diaphysis

Question 22

What is the secondary growth center of a bone?

Answer 22

Epiphysis

Question 23

What part of the bone is the diaphysis?

Answer 23

The Shaft

Question 24

What part of the bone is the epiphysis?

Answer 24

The Ends

Question 25

What is intramembranous?

Answer 25

Bone That Develops From Fibrous Tissue Membrane

Question 26

Where does intramembranous bone develop?

Answer 26

In Certain Skull Bones

Question 27

What is made on the epiphyseal side of bone?

Answer 27

New Cartilage

Question 28

Osteoblasts replace cartilage with bone on the…

Answer 28

Diaphyseal Side

Question 29

What happens when epiphyseal plates mature?

Answer 29

They Ossify

Question 30

What are the 4 bone shapes?

Answer 30

1.) Long 2.) Flat 3.) Short 4.) Irregular

Question 31

What fills the spaces within bone?

Answer 31

Bone Marrow

Question 32

What are the 2 basic types of bone marrow?

Answer 32

1.) Red Bone Marrow 2.) Yellow Bone Marrow

Question 33

What age is red bone marrow most common in?

Answer 33

The Young

Question 34

What age is yellow bone marrow most common in?

Answer 34

The Adults

Question 35

What is red bone marrow?

Answer 35

Hematopoietic Tissue

Question 36

What is yellow bone marrow?

Answer 36

Primarily Adipose CT

Question 37

What can yellow bone marrow do if needed?

Answer 37

It Can Revert to Red Bone Marrow

Question 38

Where is the axial skeleton located?

Answer 38

Along the Central Axis of the Body

Question 39

What bones does the axial skeleton consist of?

Answer 39

Bones of the Head & Trunk

Question 40

What are examples of axial skelton bones?

Answer 40

The Skull, Hyoid Bone, Spinal Column, Ribs, & Sternum

Question 41

What bones does the appendicular skeleton consist of?

Answer 41

Bones of the Limbs

Question 42

What bones does the visceral skeleton consist of?

Answer 42

Bones of the Soft Organs (Viscera)

Question 43

What are the fibrous joints that connect the skull bones called?

Answer 43

Sutures

Question 44

What is the name for the jaw bone?

Answer 44

Mandible

Question 45

What are bones of the ear called?

Answer 45

Ossicles

Question 46

How many bones are in the ear? Where are they located?

Answer 46

3 Tiny Bones in the Middle of the Ear

Question 47

What is the function of the hyoid bone?

Answer 47

To Support and Aid in Swallowing

Question 48

What do vertebrae consist of?

Answer 48

Body, an Arch, & Processes

Question 49

What are the intervertebral disks that separate bodies of adjacent vertebrae called?

Answer 49

Fibrocartilage

Question 50

What are the 3 bones that form in soft organs?

Answer 50

1.) Os Penis 2.) Os Cordis 3.) Os Rostri

Question 51

What are the ribs?

Answer 51

Flat Bones That Form Lateral Walls of the Thorax

Question 52

In regards to ribs, # of pairs =…

Answer 52

# of Thoracic Vertebrae

Question 53

Where is costal cartilage found?

Answer 53

On the Ventral Ends of the Ribs

Question 54

What is the area called where cartilage meets bony rib?

Answer 54

Costochondral Junction