Introduction to Bones and Joints

Question 1

How many bones are there in an infant human approx?

Answer 1

270

Question 2

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

Answer 2

206

Question 3

How many cranial and facial bones do we have?

Answer 3

22

Question 4

How many ear bones do we have?

Answer 4

6

Question 5

How many throat bones do we have?

Answer 5

1

Question 6

How many shoulder bones do we have?

Answer 6

4

Question 7

How many chest bones do we have?

Answer 7

25

Question 8

How many vertebral bones do we have?

Answer 8

26

Question 9

How many arm and forearm bones do we have?

Answer 9

6

Question 10

How many hand bones do we have?

Answer 10

54

Question 11

How many pelvic bones do we have?

Answer 11

2

Question 12

How many leg bones do we have?

Answer 12

8

Question 13

How many foot bones do we have?

Answer 13

52

Question 14

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

Answer 14

Articular Cartilage

Question 15

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

Answer 15

Periosteum

Question 16

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

Answer 16

Endosteum

Question 17

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

Answer 17

Spongy Bone

Question 18

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

Answer 18

Medullary Cavity

Question 19

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

Answer 19

Red Bone Marrow

Question 20

What produces all red blood cells and platelets?

Answer 20

Red bone Marrow

Question 21

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

Answer 21

Yellow bone marrow

Question 22

Give an example of a long bone

Answer 22

Humerus, Radius, Ulna, Femur, etc

Question 23

Give an example of a flat bone

Answer 23

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

Question 24

Give an example of a flat bone

Answer 24

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

Question 25

Give an example of an irregular bone

Answer 25

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

Question 26

Give an example of a sesamoid bone

Answer 26

Patella, Pisiform

Question 27

How many bones are there within the Appendicular skeleton?

Answer 27

126

Question 28

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

Answer 28

80

Question 29

What is a joint?

Answer 29

unions or junctions between 2 or more bones or rigid parts

Question 30

Approximately how many joints are there in the body?

Answer 30

360

Question 31

Describe a Fibrous Joint

Answer 31

Joints connected by fibrous tissue Fixed/Immovable AKA SYNARTHOSES

Question 32

Describe a Cartilaginous Joint

Answer 32

Joints connected entirely by cartilage Slightly moveable AKA AMPHIARTHOSES

Question 33

Describe a synovial joint

Answer 33

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

Question 34

What is a hinge joint?

Answer 34

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

Question 35

What type of movement is a pivot joint?

Answer 35

Swivelling motion, c1/c2

Question 36

What type of movement is generated from a saddle joint?

Answer 36

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

Question 37

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

Answer 37

Permits movement in all directions ie hip, shoulder

Question 38

What movement does a condyloid joint allow?

Answer 38

Allows movement but no rotation i.e finers, carpals

Question 39

What movement is provided from a plane joint?

Answer 39

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