Module 2 - Skeletal System

Question 1

What 3 things is the Skeletal System made up of?

Answer 1

Bone, Ligaments, Cartilage

Question 2

What do Ligaments attach?

Answer 2

Bones to Bones

Question 3

Cartilage reduces _____ in joints.

Answer 3

Friction

Question 4

T/F: Outside bone is hard, tough, and dry.

Answer 4

True

Question 5

What are 5 functions of bones?

Answer 5

Protect, Support, Form blood cells, Store minerals, and Movement.

Question 6

What is bone made up of?

Answer 6

hard inorganic matrix of calcium salts

Question 7

What are the 2 types of bones?

Answer 7

Compact Bone and Spongy Bone

Question 8

Where is compact bone?

Answer 8

Outside, Compact bone forms the shaft and ends

Question 9

Where is Spongy Bone?

Answer 9

Inside, trabeculae form lattice like support (small flat pieces that make up the holes)

Question 10

What is Yellow Bone marrow? Where is Yellow Bone marrow found?

Answer 10

Mostly fat, found in marrow space in Compact Bone

Question 11

Where is Red Bone marrow found?

Answer 11

Inside the little holes of Spongy Bone

Question 12

Where is Cartilage located?

Answer 12

Specific spots where it is most useful

Question 13

What are the 3 types of cartilage?

Answer 13

Fibrocartilage, Hyaline, and Elastic cartilage.

Question 14

What is the strongest, toughest type of cartilage that can withstand lots of pressure and serves as a shock absorber?

Answer 14

Fibrocartilage

Question 15

What cartilage is the precursor to bone?

Answer 15

Hyaline

Question 16

What cartilage is not strong, the most bendable?

Answer 16

Elastic Cartilage

Question 17

What type of cartilage makes up the outer ear, the larynx, auditory tubes and found in the epiglottis?

Answer 17

Elastic cartilage

Question 18

What type of cartilage makes up the the intervertebral disks between vertebrae and menisci in knee joints?

Answer 18

Fibrocartilage

Question 19

What type of cartilage makes an embryos skeleton?

Answer 19

Hyaline

Question 20

What makes up the early (week 7) skeleton in a developing fetus: is it bone or cartilage?

Answer 20

Cartilage (Hyaline) makes up the early skeleton in a developing fetus.

Question 21

What makes up the late (week 8) skeleton in a developing fetus: is it bone or cartilage?

Answer 21

Bone

Question 22

What is Chondroblasts?

Answer 22

Cartilage-forming cells

Question 23

What is Osteoblasts?

Answer 23

young bone-forming cells

Question 24

How many bones in the body?

Answer 24

206 bones

Question 25

What are the four types of bones?

Answer 25

Long, Short, Flat, Irregular

Question 26

What are the two Skeletons?

Answer 26

Appendicular and Axial

Question 27

What are the 7 vertebrae called in the neck?

Answer 27

The 7 vertebrae in the neck are called Cervical.

Question 28

What are the 12 vertebrae called in the upper back?

Answer 28

The 12 vertebrae in the upper back are called Thoracic.

Question 29

What is the Axial Skeleton? Made up of?

Answer 29

midline of the body, things that are harder to move, made up of the cranial bones and the vertebral column

Question 30

What are the 5 vertebrae called in the lower back?

Answer 30

The 5 vertebrae in the lower back are called Lumbar.

Question 31

What does the Vertebral Column do?

Answer 31

Protects the spinal cord

Question 32

What are the 5 fused vertebrae called in the sacrum?

Answer 32

The 5 vertebrae in the sacrum are Sacral.

Question 33

What are the 4 fused vertebrae called in the coccyx?

Answer 33

The 4 vertebrae in the coccyx are Coccygeal.

Question 34

What do Intervertebral disk do? (2)

Answer 34

cushion vertebrae, assist in movement and flexibility

Question 35

What is the bone of the upper leg (thigh)?

Answer 35

Femur

Question 36

What is the bone of the upper arm?

Answer 36

Humerus

Question 37

What are the 3 types of joints?

Answer 37

Fibrous joint, Cartilaginous joint, and the Synovial joint.

Question 38

Describe the Fibrous joint

Answer 38

Immovable, tough, rigid joint

Question 39

Describe the Cartilaginous joint

Answer 39

slightly moveable, cartilage connection, not moveable enough that you can swing or move around it

Question 40

Describe the Synovial joint

Answer 40

Freely moveable, bones separated by fluid-filled cavity, bones are not touching here, most flexible

Question 41

What is the difference between a ligament and a tendon?

Answer 41

A ligament is what attaches bone to bone. A tendon is what attaches muscle to bone.

Question 42

What does a tendon attach?

Answer 42

Bones to Muscle

Question 43

What are ligaments and tendons made of?

Answer 43

connective tissue containing collagen

Question 44

What disease is caused by excessive bone loss?

Answer 44

Osteoporosis is caused by excessive bone loss.

Question 45

What disease causes a breakdown of joint cartilage and bone due to inflamation?

Answer 45

Osteoarthritis

Question 46

What disease causes an excessive curvature of the spinal column in the thoracic region?

Answer 46

Kyphosis causes an excessive curvature of the spinal column in the thoracic region.