Introduction to Bones and Joints Flashcards

1
Q

How many bones are there in an infant human approx?

A

270

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2
Q

Approximately how many bones are there in an adult human body?

A

206

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3
Q

How many cranial and facial bones do we have?

A

22

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4
Q

How many ear bones do we have?

A

6

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5
Q

How many throat bones do we have?

A

1

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6
Q

How many shoulder bones do we have?

A

4

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7
Q

How many chest bones do we have?

A

25

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8
Q

How many vertebral bones do we have?

A

26

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9
Q

How many arm and forearm bones do we have?

A

6

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10
Q

How many hand bones do we have?

A

54

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11
Q

How many pelvic bones do we have?

A

2

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12
Q

How many leg bones do we have?

A

8

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13
Q

How many foot bones do we have?

A

52

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14
Q

In bones, what is connective tissue providing smooth, low-friction, gliding surfaces for free movement?

A

Articular Cartilage

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15
Q

In bone, what is the membrane that covers the outer surface of bone?

A

Periosteum

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16
Q

In bone, what is the thin vascular membrane ofconnective tissue; that lines the inner surface of themedullary cavityof longbones?

A

Endosteum

17
Q

Light porous bone, lattice framework spaces filled with marrow and BVs. Found in areas not subject to great mech. stress

A

Spongy Bone

18
Q

What is located in main shaft of long bones, central cavity where red and yellow marrow are stored. Walls composed of spongy bone

A

Medullary Cavity

19
Q

What produces 60-70% of lymphocytes in human adults?

A

Red Bone Marrow

20
Q

What produces all red blood cells and platelets?

A

Red bone Marrow

21
Q

What is located in the central cavity of long bones, surrounded by layer of red marrow

A

Yellow bone marrow

22
Q

Give an example of a long bone

A

Humerus, Radius, Ulna, Femur, etc

23
Q

Give an example of a flat bone

A

Cranium bones
occipital,
parietal,
frontal,
nasal,
lacrimal,
vomer,
Sternum
Ribs
Scapulae
Pelvic bones

24
Q

Give an example of a flat bone

A

7 Tarsals (ankle)
Calcaneus
Talus
Cuboid
Navicular
Medial Cuneiform
Middle Cuneifrom
Lateral Cuneiform
8 Carpals (wrist)
Scaphoid
Lunate
Triquetrum
Pisiform
Trapezium
Trapezoid
Capitate
Hamate

25
Q

Give an example of an irregular bone

A

Vertebrae
Sacrum
coccyx
Temporal
Sphenoid
Ethmoid
Zygomatic
maxilla,
mandible
Palatine
inferior nasal concha
hyoid.

26
Q

Give an example of a sesamoid bone

A

Patella, Pisiform

27
Q

How many bones are there within the Appendicular skeleton?

A

126

28
Q

How many bones are there within the Axial skeleton? skeleton?

A

80

29
Q

What is a joint?

A

unions or junctions between 2 or more bones or rigid parts

30
Q

Approximately how many joints are there in the body?

A

360

31
Q

Describe a Fibrous Joint

A

Joints connected by fibrous tissue
Fixed/Immovable
AKA SYNARTHOSES

32
Q

Describe a Cartilaginous Joint

A

Joints connected entirely by cartilage
Slightly moveable
AKA AMPHIARTHOSES

33
Q

Describe a synovial joint

A

Joint capsule spanning and enclosing an articular cavity filled with synovial fluid
Freely moveable
AKA DIARTHOSES

34
Q

What is a hinge joint?

A

A joint that opens and closes in one direction i.e elbow

35
Q

What type of movement is a pivot joint?

A

Swivelling motion, c1/c2

36
Q

What type of movement is generated from a saddle joint?

A

Back and forth, side to side motion i.e base of thumb

37
Q

What type of movement is permitted from a ball and socket joint?

A

Permits movement in all directions ie hip, shoulder

38
Q

What movement does a condyloid joint allow?

A

Allows movement but no rotation i.e finers, carpals

39
Q

What movement is provided from a plane joint?

A

Limited movement, smooth surfaced where one bone glides over another i.e tarsals