Chapter 5 Part 1 (Skeletal System)

Question 1

What are the functions of the skeletal system?

Answer 1

1. Support
2. Protection
3. Movement
4. Storage
5. Blood cell formation

Question 2

The axial bones are made up of the bones in your?

Answer 2

1. Head
2. Neck
3. Back
4. Chest

Question 3

What are ethe 4 main classifications of bones?

Answer 3

1. Large bone
2. Flat bone
3. Irregular bone
4. Short bone

Question 4

What gives bones its hardness?

Answer 4

Calcium salts deposited in the matrix

Question 5

What gives bone its flexibility?

Answer 5

Organic parts (collagen fibers)

Question 6

What is the process of bone formation called?

Answer 6

Ossification

Question 7

Which cells are the bone destroying cells?

Answer 7

Osteoclasts

Question 8

Bone remodeling is essential for?

Answer 8

Normal proportions and strength as the body increases in size and weight

Question 9

What are the stages of bone fracture healing?

Answer 9

1. Hematoma
2. Fibrocartilage callus
3. Bony callus
4. Bone remodeling occurs

Question 10

What is the functions of intervertebral discs?

Answer 10

1. Absorb shock
2. Allow spine flexibility

Question 11

What is the functions of spinal curvatures?

Answer 11

1. Prevent shock to the head as we walk or run
2. Make the body trunk flexible

Question 12

What is scoliosis?

Answer 12

Abnormal curvature of the spine in a lateral direction

Question 13

What is kyphosis?

Answer 13

Hump formed by abnormal curvature of the thoracic spine in posterior direction

Question 14

What is lordosis?

Answer 14

Abnormal curvature of lumbar spine in anterior direction.

Question 15

What are true ribs?

Answer 15

Rib pairs 1-7 that are attached directly to the sternum

Question 16

what are false ribs?

Answer 16

Ribs 8-12 that are nor directly connected to the sternum