oral histology MCQs – Page 3

Practise focused oral histology questions with marked answers for exam preparation and subject revision.

oral histology Mcqs
41. Which of the following enzymes are involved in bone formation________________?
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A. Acid phosphatase and catalase

B. Alkaline phosphatase and urease

C. Alkaline phosphatase and phosphorylase

D. Catalase and phosphorylase

42. Which of the following is correct ?
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A. All of the above

B. Sublingual gland bartholins duct mixed and predominantly mucous

C. Parotid stensons duct pure serous

D. Submandibular Whartons duct mixed and predominantly serous

43. A purine which is found in saliva is_______________?
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A. Hypolithinium

B. Adenosine

C. Thymine

D. Uric acid

44. Mucin in mucous cells usually demonstrated by______________?
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A. PAP stain

B. H & E stain

C. Mallory stain

D. Mucicarmine stain
45. Which of the following is correct?
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A. All of the above

B. The small nerve fibres may or may not be myelinated and are concerned with discrement of pain

C. Fibronectin helps in attachment of fibroblasts to collagen

D. Cementicles are found in periodontal ligament of order individuals

E. The large nerve fibres are myelinated and are concerned with discerment of touch

46. Which of the following is wrong?
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A. The architecture of type I spongiosa is seen in mandible

B. Bundle bone contains a lesser amounts of calcium salts than other types of bony tissue

C. Type II spongiosa is seen in maxilla

D. Condylar process & angle in mandible, and tuberosity in maxilla contain hemopoietic cellular marrow

47. Fibres which continue from bone to ligament are_______________?
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A. Rays fibres

B. Sharpeys fibres

C. Tomes fibres

D. All of the above

48. The type of epithelium lining maxillary sinus is_______________?
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A. Pseudo stratified columnar and cilliated

B. Simple squamous

C. Stratified squamous

D. Simple columnar

49. The function of myoepithelial cells may be______________?
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A. Provide signals to the acinar secretary cells for structure organization

B. Support for the end piece during active secretion of saliva

C. All of the above

D. Initiating contraction

50. Reversal lines which may be seen on the cribriform plate (alveolar bone proper) of the alveolar process indicate the cessation of____________?
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A. Osteoblastic activity

B. Myeloid activity

C. Osteoclastic activity

D. Healing activity

51. The muscle which is commonly involved in myofacial pain dysfunction syndrome______________?
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A. Temporalis

B. Medial pterygoid

C. Massetor

D. Lateral ptergoid
52. Myoepithelial cells are present in________________?
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A. Serous cells

B. Intercalated & terminal duct

C. Striated duct

D. Mucous cells

53. Which of the following is true___________?
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A. All of the above

B. Majority of nerve that enter the pulp are non myelinated and are sympathetic in nature

C. Pulpal pressure is highest among body tissues

D. Plexus of Rashkow or parietal layers of nerves is formed by network of peripheral axons located adjacent to cell rich zone

54. The marrow found in the mandible is____________?
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A. All fibrous marrow

B. All fatty marrow

C. All red marrow

D. A combination of fatty and fibrous marrow
55. The articular cartilage is characterized by all of the following features except_____________?
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A. It is avascular

B. It is devoid of perichondrium

C. It has a rich nerve supply

D. It lacks the capacity to regenerate

56. Haversion systems (osteons) are found primarily in the_________________?
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A. Spongy bone

B. Endosteum

C. Alveolar bone proper

D. Periosteum

57. Pure mucous glands are_____________?
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A. Vonebners glands

B. Labial and buccal glands

C. Glosso palatine & palatine glands

D. Lingual glands

58. Mature bone is otherwise called as______________?
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A. Irregular bone

B. Lamellar bone

C. Resorbing bone

D. woven bone

59. Mandible develops by______________?
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A. Endochondral ossification only

B. Membranous ossification only

C. Both of the above

D. None of the above

60. Alveolar bone proper is also known as: or Which of the following is seen as lamina dura in an IOPA radiograph ?
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A. Lamina propria

B. Lamina dura

C. Lamina lucida

D. Lamina densa