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Unit 1 Lab Practical > Unit 2 Lecture Exam > Flashcards

Unit 2 Lecture Exam Flashcards

1
Q

Functions of the Skeletal System

A

Support
Protection
Movement
Mineral Storage
Blood Cell Protection
Energy Storage

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2
Q

Define Mineralitzation

A

the process of depositing calcium phosphate crystals in an organic bone matrix.

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3
Q

Healing of Fractures

A

Hematoma
Cartilaginous Soft Callus
Bony Hard Callus
Bone Fixed

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4
Q

Bone Cells

A

Osteoblast
Osteocytes
Osteoclasts
Bone Homeostasis

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5
Q

Osteoblasts

A

Build Bone by secreting matrix

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6
Q

Osteocytes

A

maintain bone tissue, mature form of Osteoblasts

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7
Q

Osteoclasts

A

Breakdown bone, involved in bone resorption

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8
Q

Endochondral

A

Bone developing by replacing hyaline cartilage

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9
Q

Intermembranous

A

Bone develops directly from sheets of mesenchymal

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10
Q

Synovial Joints

A

Hinge- elbow
Ball and Socket- shoulder, hip
Pivot- neck
Saddle- thumb
Condyloid-wrist
Plane- carpal bones

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11
Q

Structural Unit of compact bone

A

Osteon

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12
Q

Main components of bones

A

Collagen-spongy bone
Hydroxyapatite- hard

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13
Q

Yellow Marrow

A

Primarily adipose tissue

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14
Q

Red Marrow

A

produces red blood cells

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15
Q

Purpose of Nutrient Foramen

A

A small opening in the bone that allows blood vessels and nerves to enter and exit. The primary purpose is to supply the bone with nutrients and oxygen.

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16
Q

Six forms of Bone break.

A

Simple- bone breaks but not skin
Compound- bone and skin breaks
Greenstick-incomplete fracture
Comminuted- bone shattered
Spiral- fracture due to twist
Transverse- horizontal fracture across bone

17
Q

tendon

A

muscle to bone

18
Q

ligament

A

bone to bone

19
Q

wolff’s law

A

our bones become thicker and stronger over time to resist forces placed upon them and thinner and weaker if there are no forces to act agains

20
Q

first class fulcrum

A

between effort and load

21
Q

second class load

A

between fulcrum and load

22
Q
A

Unit 1 Lab Practical (2 decks)

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