Bone and Cartilage

Question 1

Membrane of cartilage is called ?

Answer 1

Pericondrium

It also contain blood vessels

Question 2

Name all 3 types of cartilage ?

Answer 2

1.Hylaine
2.Fibro
3.Elastic

Question 3

Which is the hardest cartilage

Answer 3

Fibro

Question 4

Which cartilage doesn’t contain fibers/protein

Answer 4

Hylaine

Question 5

Does cartilage contain Blood vessels

Answer 5

No

Question 6

How does Cartilage gets nutrition without blood vessels?

Answer 6

It’s membrane called pericondrium contains blood vessel and by diffusion it reaches to cartilage.

Question 7

Two kind of bones in skeleton

Answer 7

Axial and Appendicular

Question 8

Bone+Muscle sytem is called?

Answer 8

Musculoskeletal system

Question 9

Endoskeleton is comprise of?

Answer 9

Bone +Cartilage

Question 10

Amount of water present in bone?

Answer 10

10-20%

Question 11

Amount of water present in cartilage

Answer 11

80%

Question 12

Bone is mainly composed of?

Answer 12

Collagen protein

It gives strength to muscle and work in Calcium deposition.

Question 13

Collagen protein is which protein?

Answer 13

fibrous(structural )

Question 14

Number of Bones in adult and in Infant

Answer 14

206 &300

Question 15

Which Bone marrow forms blood cells?

Answer 15

Red bone marrow

Question 16

How many regions of bones are there and name all..

Answer 16

1.Epiphysis
2.Metaphysis
3.Diaphysis

These are just names of long bone area

Epiphysis is present at end/terminal of bone.
Di physis is in middle btw two metaphysis.
Metaphysis btw epiphysis and diphysis.

Question 17

Which region contains red bone marrow?

Answer 17

Epiphysis

Question 18

How much % RBC are produced by red bone marrow?

Answer 18

20%

These red bone marrow are almost pressent in epiphysis so here 20% blood

Question 19

General layer of bone is called?

Answer 19

Periosteum

Question 20

How many bones are in Axial?

Answer 20

80

Axial means Central axis. So acial bones are pressent at centeral axis o

Question 21

How many bones are in Appendicular?

Answer 21

126

Question 22

Categories of bone in axial and number of bones in them??

Answer 22

1.Head(28)
2.Hyoid(01)
3.Sternum(01)
4.Ribs(24)
5.Vertebral column(26)

Question 23

Classify Head completely ?

Answer 23

1.Skull(22)———–1.Cranium(08)
(28)Head-| 2.Facial(14)
2.Earloobe(06)

Question 24

Why infants have more bones then adult.

Answer 24

bcz these vacant bones in infant are to fuse and become long bone and due to this reason number of bones are less in adult.

Question 25

External part of Diaphysis called?

Answer 25

Cortical bone