skeletal structure

Question 1

functions of skeleton

Answer 1

provide framework for other body tissues to build upon
act as a lever for muscles to work against
protect vital organs
act as a storehouse for calcium and phosphorus
produce red and white blood cells in certain bones

Question 2

bone is a specialised form of connective tissue known as (a) other examples are (b)

Answer 2

(a) supportive tissue
(b) cartilage ligaments tendons

Question 3

bone is composed mainly of inorganic calcium salts which are mainly

Answer 3

calcium phosphate and calcium carbonate

Question 4

the organic matter of a bone is a collagen like substance called

Answer 4

ossein

Question 5

in the young horse the proportion of organic matter is

Answer 5

high (approx 60%)

Question 6

in the older horse bones become more brittle and

Answer 6

organic content is reduced

Question 7

bone is living tissue and is responsive to environmental changes, such as

Answer 7

changes in physical loading, blood supply and nutrition

Question 8

produce red and white blood corpuscles

Answer 8

short bones and ends of long bones

Question 9

have red bone marrow in their cavities

Answer 9

short bones

Question 10

have red bone marrow in their cavities

Answer 10

short bones

Question 11

the cavities of long bones are filled by

Answer 11

yellow bone marrow and facilitate the storage of fat

Question 12

long bones act as

Answer 12

supporting columns and levers and include the bones of the limbs

Question 13

each long bone has 2 enlarged ends known as (a) which provide a greater bearing surface for the joint rendering it (b) , and a (c)

Answer 13

(a) epiphyses
(b) less liable to dislocation
(c) shaft or diaphysis

Question 14

when found on a joint short bones act as

Answer 14

shock absorbers

Question 15

when found on a joint short bones act as

Answer 15

shock absorbers

Question 16

short bones include

Answer 16

carpal (knee) and tarsal (hock) bones, sesamoids and patella

Question 17

flat bones include (a) and (b). they protect (c)

Answer 17

(a) cranial plates
(b) scapula
(c) underlying organs

Question 18

a bone that doesn’t fall into the categories flat, short, long bones are called (a) and include bones of (b)

Answer 18

(a) irregular bones
(b) pelvis and vertebral column

Question 19

irregular bones have a large number of projections for

Answer 19

muscle and tendon attatchment