Bone

Question 1

Osteoclasts are found occupying :

Answer 1

Howship’s lacunae

Question 2

Osteon =

Answer 2

Haversian system

Question 3

Haversian systems in compact bone are interconnected by means of :

Answer 3

Volkmann’s cannals

Question 4

Spongy bones contains :

Answer 4

Osteocytes inside lacunae

Question 5

Osteoclasts are derived from fusion of :

Answer 5

Monocytes

Question 6

At EM, Osteoblast shows all features of :

Answer 6

Protein synthesis

Question 7

Haversian systems in compact bone are formed of :

Answer 7

Concentric lamellae

Question 8

Howships lacunae are the sites of :

Answer 8

Osteoclasts

Question 9

Penetrating collagen fibers in bone are called :

Answer 9

Sharpey’s fibers

Question 10

Bone is

Answer 10

Highly Vascular

Question 11

Osteoclasts have :

Answer 11

Acidophilic cytoplasm, Many nuclei(as many as 50), Brush (ruffled) border, Phagocytic function.

Question 12

Name the bone lamellae which rum close to periosteum :

Answer 12

External Circumferential lamellae

Question 13

Name the bone lamellae which close to endosteum in inner surface of bone :

Answer 13

Internal Circumferential lamellae

Question 14

The minute passageways in bony matrix :

Answer 14

Canaliculi

Question 15

Name the 2 components of osteon (haversian system) :

Answer 15

Central canal & Concentric lamellae