Skeletal System Part 1 Flashcards

1
Q

What includes the skeletal system?

A

Bones, cartilages, ligaments and C.T,

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2
Q

How many bones does an adult skeleton has?

A

206

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3
Q

What are the six functions of skeletal system?

A

Support and protection, storage of minerals and lipids, hematopoiesis and movement

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4
Q

What supports soft tissue?

A

Framework for attachment

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5
Q

What supports the teeth?

A

The mandible and maxilla.

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6
Q

What protects the brain?

A

The skull

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7
Q

What protects the lungs?

A

The ribs

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8
Q

What helps to balance electrolytes?

A

The storage of minerals

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9
Q

What are the six major minerals that skeletal system storages?

A

Calcium, magnesium, phosphorous, potassium, sodium, magnesium and carbonate.

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10
Q

What is the function for calcium?

A

Generates electrical impulses, muscle contraction and cell transportation.

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11
Q

What is the function of Yellow Bone Marrow?

A

Storages fat that equal to energy reserves.

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12
Q

What is Acid-base balance?

A

Balance the body’s PH release phosphates and carbonate salts.

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13
Q

What means Hematopoiesis?

A

Blood formation.

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14
Q

What is hematopoiesis function?

A

I’m Red bone marrow produces blood cells (RBC’s, WBC’s and platelets).

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15
Q

What contains almost all child bones?

A

Contain bone marrow.

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16
Q

What happens to the bone marrow while we growth?

A

It gets replaced with yellow marrow.

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17
Q

Where do adults have the limited red marrow?

A

In the skill, ribs, and vertebrae.

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18
Q

Why do bones act as levers?

A

Because the pull the muscle to move.

19
Q

What serves as stabilizers for bones and muscles?

A

Ligaments, tendons, bursa and meniscus.

20
Q

What are the 6 classifications of bone?

A

Sutural, long, short, flat, irregular & sesamoid.

21
Q

What is the sutural bone?

A

A small, flat irregular between flat bones.

22
Q

What is a long bone?

A

A bone liner than it’s wide.
Ex: arms, legs or fingers.

23
Q

What is a short bone?

A

A small & bony bone.
Ex: carpals.

24
Q

What is a flat bone?

A

Broad, sheet-like bones.
Ex: ribs, roof of skull.

25
Q

What is an irregular bone?

A

Diversity of shapes.
Ex: vertebrae, facial bones.

26
Q

What is a sesamoid bone?

A

Small, flat,sesame seed shaped.
Ex: patella.

27
Q

What are the main structures that all long bones have?

A

Diaphysis, Epiphysis, and Metaphysis.

28
Q

What is a Diaphysis?

A

A shaft of a long bone (the body).

29
Q

What contains the wall of the diaphysis?

A

Compact bone.

30
Q

What is in between the walk of Diaphysis?

A

The medulla cavity (marrow cavity)

31
Q

What contains the medulla cavity?

A

Il hi concentration of blood vessels, and some yellow or red marrow. Endosteum: layer of reticular C.T.

32
Q

What is Epiphysis?

A

The end of the bone (both proximal and distal end)

33
Q

What is Epiphysis composed of?

A

Spongy bone.

34
Q

What is Metaphysis?

A

Epiphyseal plate or line between the shaft and the end of the bone.

35
Q

What is the Epiphyseal line made of?

A

Cartilage.

36
Q

What type of tissue is bone?

A

C.T.

37
Q

What are the 3 structural composed of bone?

A

Cells, ground substances and protein fibers.

38
Q

What are the 3 types of cells of bone?

A

Osteoblasts, osteocytes and osteoclasts.

39
Q

What is the bone solid or hard?

A

Due to mineral salts, calcium and phosphate.

40
Q

The minerals found in the bone are responsible for what?

A

Compression strength of the bone.

41
Q

What happens to the bone when has a lack of these minerals?

A

Loos of compression strength and bones will bend.

42
Q

What condition means a lack of minerals of the bone?

A

Rickets.

43
Q

What is collagen responsible for?

A

Strength and flexibility of the bone.