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Biomedical Science For Osteo 1 > SKELETAL SYSTEM > Flashcards

SKELETAL SYSTEM Flashcards

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1
Q

WHAT ARE THE 4 COMPONENTS OF THE SKELETAL SYSTEM

A

bones
cartilage
joints
ligaments

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2
Q

HOW MANY BONES IN THE AVEAGE EADULT HUMAN BODY

A

206

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3
Q

WHAT ARE THE TWO REGIONS OF THE SKELETON

A

AXIAL AND APPENDICULAR

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4
Q

WHAT MAKES UP THE AXIAL SKELETON

A

the head, spinal column and trunk

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5
Q

WHAT MAKES UP THE APPENDICULAR SKELETON

A

the upper and lower limbs

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6
Q

WHAT ARE THE 5 TYPES OF BONES

A

long, short, sesamoid, flat, irregular

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7
Q

DESCRIBE THE SHAPE OF A LONG BONE

A

longer than they are wide

have a long shaft

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8
Q

DESCRIBE THE SHAPE OF SHORT BONES

A

spherical or cube shaped bones

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9
Q

DESCRIBE THE FEATURES OF A SESAMOID BONE

A

forms with a tendon

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10
Q

DESCRIBE THE SHAPE OF A FLAT BONE

A

thin, flat, slightly curved

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11
Q

DESCRIBE THE SHAPE OF AN IRREGULAR BONE

A

complicated shape - cannot be classified into another category

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12
Q

DESCRIBE THE MATRIX OF BONE

A

mineralised

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13
Q

WHAT ARE THE TWO WAYS THAT BONE TISSUE CAN BE CLASSIFIED

A

compact

spongy

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14
Q

WHAT FORMS THE OUTER MOST LAYER OF BONES EXCEPT FOR WHERE ARTICULAR CARTILAGE IS FOUND

A

periosteum

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15
Q

WHAT ARE THE MAIN FUNCTIONS OF BONE (SSAPP)

A 
support
storage (minerals, fat)
anchorage
production (hormones, blood cells)
protection
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16
Q

WHAT DOES AN OSTEOBLAST DO

A

Build bone tissue by secreting unmineralised bone matrix and then playing a role in calcification

17
Q

WHAT DOES AN OSTEOCLAST DO

A

consume bone tissue so that it can be maintained and healed

18
Q

WHAT DOES AN OSTEOPROGENITOR CELL DO

A

it is a stem cell which can differentiate into osteoblasts

19
Q

WHAT IS COMPACT BONE FORMED BY

A

cylindrical functional units called osteons

20
Q

WHAT IS SPONGY BONE FORMED BY

A

traberculae and marrow spaces

21
Q

WHAT DO OSTEONS CONTAIN

A

central canal
lamella
canaliculi
lacunae

22
Q

WHAT ARE THE THREE JOINT CLASSIFICATIONS

A

fibrous
cartilaginous
synovial

Biomedical Science For Osteo 1 (4 decks)

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