Unit 4 test

Question 1

Structural functions

Answer 1

Framework, support, movement, protection

Question 2

Physiological function

Answer 2

Producing blood cells and storing/releasing minerals (yellow bone marrow)

Question 3

Long bone structure

Answer 3

Spongy bone: Epiphysis, red bone marrow
Compact bone: Diaphysis, yellow bone marrow
Medullary canal: Lines compact bone, lined with endosteum
- Periosteum lines diaphysis

Question 4

Where do bones grow

Answer 4

In the epiphyseal plate

Question 5

Paget’s disease

Answer 5

• When the bone grows too big
• Bone/joint pain
• Stiffness & swelling
  Treated with joint/bone replacements, osteoporosis drugs

Question 6

Osteogenesis imperfecta

Answer 6

Defect in type 1 collagen
-Fragile bones
Bone deformities
Eye discoloration
Curved spine
Easily bruised skin
Premature hearing loss
Treated with physical therapy

Question 7

Acromeglia

Answer 7

Benign tumor
Abnormally large hands and feet
Radiation

Question 8

Perth’s disease

Answer 8

Bone cells in the femur head dieLimp
Pain in the knee, thigh & groin
Thin thigh muscles on the affected leg
Physical therapy

Question 9

Fibrous dysplasia

Answer 9

Missing chemical in the bone protein
Bone pain
Swelling
Bone fractures
Curving of the leg bones
X-ray monitoring

Question 10

Rheumatoid arthritis

Answer 10

Attacks healthy body tissue
Tender and swollen joints
Joint stiffness
therapy, surgery

Question 11

Osteoarthritis

Answer 11

Cartilage breaks down between bones
Old age
Injuries
meds, physical therapy

Question 12

Bone cancer

Answer 12

Cause unknown
Bone pain
Swelling
Weakened bone
Unintended weight loss