Chapter 6

Question 1

What are the functions of the skeletal system

Answer 1

Support
Storage of minerals such as calcium and phosphate
Blood cell production
Protection
Leverage

Question 2

What are the six types of bones

Answer 2

Flat bones
Sutural bones
Long bones
Irregular bones
Sesamoid bones
Short bones

Question 3

Action of osteoclasts and parathyroid hormone

Answer 3

Bone reabsorption

Question 4

Action of osteoblasts and calcitonin

Answer 4

Bone deposition

Question 5

Any disease caused by chronic or long term vitamin deficiency or caused by a defect in a metabolic conversion

Answer 5

Avitaminosis

Question 6

Retards bone development by interfering with development epiphyseal cartilage

Answer 6

Deficiency of vitamin A

Question 7

Results in fragile bones or scurvy

Answer 7

Deficiency of vitamin C

Question 8

Rickets osteomalacia

Answer 8

Deficiency of vitamin D

Question 9

Promote the information; stimulate ossification of epiphyseal Plates

Answer 9

Sex hormones

Question 10

What stimulates bone growth

Answer 10

Physical stress

Question 11

Epiphyseal cartilage grows unusually slow
Limbs are short
Trunk is normal size

Answer 11

Achondroplasia

Question 12

Excessive cartilage formation at epiphyseal cartilage
Causes long slender limbs
Other connective tissue abnormalities cause cardiovascular issues

Answer 12

Marfan syndrome

Question 13

Overproduction of growth hormone before puberty

Answer 13

Gigantism

Question 14

Do you mutation that causes bone deposition around skeletal muscles
Bones developing in unusual places

Answer 14

Fibrodysplasia Ossifications progressiva fop

Question 15

Growth hormone levels rise after Epiphyseal plates close

Bones get thicker especially those in face jaw and hands

Answer 15

Acromegaly

Question 16

A crack or break due to extreme mechanical stress

Answer 16

Fracture

Question 17

What two factors are needed for a fracture to heal

Answer 17

Blood supply and cellular parts of periosteum and endosteum survive

Question 18

What are the two kinds of fractures

Answer 18

Closed or simple

Open or compound

Question 19

Fracture that breaks a bone shaft along its axis

Answer 19

Transverse fracture

Question 20

Fracture which is produced by twisting stresses that spread along the length of the bone

Answer 20

Spiral fracture

Question 21

Fractures that produce new bone and abnormal bone alignments

Answer 21

Displaced fractures

Question 22

Fractures retain the normal alignment of bones or fragments

Answer 22

Non-displaced fractures

Question 23

Fractures that occur in vertebra subjected to extreme stress is also known as the slip and fall

Answer 23

Compression fractures

Question 24

Fracture in which only one side of the shaft is broken and the other is that occurs in young children

Answer 24

Greenstick fracture

Question 25

Fracture that shatters the affected area into a multitude of bony fragments

Answer 25

Comminuted fracture

Question 26

Fracture that occurs at the ankle and affects both bones of the leg

Answer 26

Pott fracture

Question 27

Fracture that is a break in the distal portion of the radius also known as the trip and fall

Answer 27

Colles fracture

Question 28

Fracture that tends to occur where the bone matrix is undergoing calcification and chondrocytes are dying. clean transverse fracture along this line is generally heals well unless carefully treated fractures between the Epiphysis and the epiphyseal cartilage him permanently stop growth at the site

Answer 28

Epiphyseal fracture