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WorksheetsBone histology_kate
Total questions: 11
Worksheet time: 10mins
Which of the following is labelled wrongly?
A- osteon
B- Interstitial lamella
C- concentric lamella
2. Which of the following is not the function of structure D?
To supply nutrients to the bone cells
To aid in communication between the bone cells
To deposit bone matrix during bone repair
To remove the bone cell waste
Which of the following is not true for structure J?
It is the outermost double-layered of bone
It does not contain blood vessels and nerves
They are anchored by collagen fibres to the compact bones
It is a fibrous layer
Which of the following structure is labelled correctly?
I- Perforating Volkmann's canal
J- Endosteum
K- PDL ligaments
K- Sharp fibres
Which of the following is termed wrongly?
A- osteoblast
B-osteocytes
C- multinucleated giant cell
C- osteoclast
Which of the following do not undergo intramembranous ossification
base of the skull
Maxilla
flat bones of skull
Medial part of clavicle
List the correct sequence for endochondral ossification.
I- Primary ossification centre
II- Epiphyseal ossification
III- Diaphysis elongation
IV- Bone collar formation
IV, I, III, II
I, IV, II, III
I, IV, III, II
III, IV ,II, I
Which of the following is untrue about bone cells?
Active osteoblasts tends to plump and more cuboidal in shape
The more rapid the bone formation, the more osteocytes are present per unit volume.
Inactive osteoblasts reside mainly in the lacunae
Osteoclast is multinucleated and reside in Howship’s lacunae.
What is the initial step in the differentiation process of mesenchymal cells during bone formation?
I- Secreted osteoid traps osteoblasts, which then become osteocytes.
II- Mesenchymal cells differentiate into specialized cells, forming ossification centre
III- Mesenchymal cells group into clusters
IV- Compact bone develops superficial to the trabecular bone
III, II, IV, I
III, II, I, IV
II, III, I, IV
II, III, IV, I
What forms the epiphyseal growth plate?
Elastic cartilage
Fibrocartilage
Hyaline cartilage
Compact bone
Try your best to draw osteoblast, osteoclast and osteocyte in a diagram
