Oral Histology 2

20 Questions | By Safeeravly | Updated: Mar 22, 2022 | Attempts: 590

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1.

Indifferent fibres are
- A.
  
  Elastic fibres
- B.
  
  Oxytalan fibres
- C.
  
  Collagen fibres
- D.
  
  None of the above
2.

Radiographically the level of normal interproximal alveolar crest corresponds to
- A.
  
  Epithelial attachment
- B.
  
  CEJ of adjacent teeth
- C.
  
  DEJ
- D.
  
  Gingival margin
3.

The marrow found in the mandible is
- A.
  
  All fatty marrow
- B.
  
  All red marrow
- C.
  
  All fibrous marrow
- D.
  
  A combination of fatty and fibrous marrow
4.

Odland bodies are seen in
- A.
  
  Stratum granulosum
- B.
  
  Stratum spinosum
- C.
  
  Stratum corneum
- D.
  
  Both A and B
5.

As the osteoclasts move through bone,the leading edge of resorption is known as
- A.
  
  Reversal line
- B.
  
  Cement line
- C.
  
  Cutting cone
- D.
  
  Filling cone
6.

Saliva which is formed in salivary gland when passes from salivary acini to duct orifices , it undergoes ion exchanges and as result saliva become
- A.
  
  Hypertonic some times
- B.
  
  Hypertonic always
- C.
  
  Hypotonic
- D.
  
  Isotonic
7.

Direction of eruption inside bone is seen
- A.
  
  Bodily axial
- B.
  
  Lingually continuous
- C.
  
  Bodily eccentric
- D.
  
  Lingually eccentric
8.

Crown angulation when emerging from dental lamina of permanent mandibular 1st molar
- A.
  
  Distally
- B.
  
  Buccal
- C.
  
  Lingual
- D.
  
  Mesial
9.

Aminopeptidase in ameloblast is seen in
- A.
  
  Stratum reticulum
- B.
  
  Stratum intermedium
- C.
  
  Reduced enamel
- D.
  
  Stellate reticulum
10.

Cytokeratin associated with stratification is
- A.
  
  K1 and K2
- B.
  
  K6 and K16
- C.
  
  K5 and K14
- D.
  
  K19
11.

Tongue begin to develop
- A.
  
  4th week IU life
- B.
  
  6th week IU life
- C.
  
  8th week IU life
- D.
  
  14th week IU life
12.

The blood vessels looped around enamel organ is seen in
- A.
  
  Bud stage
- B.
  
  Advanced bell stage
- C.
  
  Cap stage
- D.
  
  Early bell stage
13.

First hard tissue forms in
- A.
  
  5-8 weeks in utero
- B.
  
  9-11 weeks in utero
- C.
  
  12-16 weeks in utero
- D.
  
  18-24 weeks in utero
14.

Taste sensation in tongue is due to which membrane bound protein
- A.
  
  Gustin
- B.
  
  Enamelin
- C.
  
  Statherin
- D.
  
  Amelogenin
15.

Formation of reparative dentin with inclusion of odontoblast
- A.
  
  Osteodentin
- B.
  
  Predentin
- C.
  
  Sclerotic dentin
- D.
  
  Regular dentin
16.

Melanocytes contacts adjacent
- A.
  
  1-10 keratinocytes
- B.
  
  21-30 keratinocytes
- C.
  
  31-40 keratinocytes
- D.
  
  41-50 keratinocytes
17.

Histopathological staining of melanocytes is done with
- A.
  
  Tyrosine -DOPA method
- B.
  
  Oil red
- C.
  
  Sudan B
- D.
  
  PAS
18.

Intimate lining B cells of synovial membrane of TMJ are
- A.
  
  Plasma cells
- B.
  
  Macrophages
- C.
  
  Endothelial cells
- D.
  
  Merkel cells
19.

Pre eruptive movement of tooth
- A.
  
  Axial-eccentric
- B.
  
  Bodily- eccentric
- C.
  
  Axial-bodily
- D.
  
  Lingual-eccentric
20.

Blood vessels appear in the dental pappilla
- A.
  
  Before formation of cervical loop
- B.
  
  Beginning of bud stage
- C.
  
  Bell stage
- D.
  
  Cap stage