Study desk with books and learning tools for subject-based MCQ preparation

Focused topic practice

oral histology MCQs

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

oral histology Mcqs
1. Organ of chievity is seen near the______________?
comments icon0

A. Mental foramen

B. Medial surface of the mandible

C. Naso palatine foramen

D. Foramen caecum

2. The components of future TMJ shows development at_____________?
comments icon0

A. 6 weeks

B. 16 weeks

C. 10 weeks

D. 18 weeks

3. Carmalts glands are______________?
comments icon0

A. Major salivary glands

B. Minor salivary gland ( lingual)

C. Minor salivary glands (Retromolar)

D. Taste Buds

4. Vonebners gland are_______________?
comments icon0

A. glands at apex of tongue

B. Glosso palatine glands

C. Posterior lingual mucous glands

D. Posterior lingual serous glands
5. The normal pH of the saliva is about_____________?
comments icon0

A. 5.5

B. 8.5

C. 9.5

D. 7.5
6. The maxillary sinus______________?
comments icon0

A. Has good drainage in upright position

B. Is fully developed by the age of 8 years

C. Opens in to the inferior meatus of nose

D. Has the 1st molar projecting into its floor
7. An enzyme present in saliva which causes cell wall lysis____________?
comments icon0

A. Lactoferin

B. Peroxidase

C. Hyaluronidase

D. Lysozhyme
8. Main function of salivary duct is_______________?
comments icon0

A. None of the above

B. Synthesis of secretory glycoproteins by Kallidrein an enzyme in striated duct cells

C. Antibacterial action by secreting lysoenzymes and lactoferrin

D. To convey the saliva secreted by the terminal secretory units to oral cavity
9. Which of the following is not present in saliva________________?
comments icon0

A. Phosphate

B. Trypsin

C. Lysozyme

D. Bicarbonate

10. Fibres which continue from bone to ligament are_____________?
comments icon0

A. Rays fibres

B. Tomes fibres

C. All of the above

D. Sharpeys fibres
11. Sublingual gland is a_____________?
comments icon0
A. Mixed gland

B. Serous gland

C. Mucous gland

D. Present in root of tongue

12. Total volume of saliva secreted by submandibular gland daily is______________?
comments icon0

A. 750 ml

B. 1500 ml

C. 450 ml

D. 1000 ml

13. The condyle of mandible is composed of____________________?
comments icon0
A. Cancellous bone covered by thin layer of compact bone

B. Compact bone

C. Cancellous bone

D. Compact bone covered by cancellous bone

14. Basal bone is____________?
comments icon0

A. That part of the bone containing teeth

B. That part of the bone embracing apices of root of teeth

C. Ramus of the mandible

D. Lower border of the mandible

15. Which of the following is correct about serous glands_____________?
comments icon0

A. They contain secretory granules in the apical Cytoplasm and the secretion of granule content occurs by exocrytosis

B. All of the above

C. They are specialized for the synthesis, storage and secretion of proteins

D. Serous cells are pyramidal in shape

16. The glands of Blandin and Nuhn are_____________?
comments icon0
A. The anterior lingual glands located near the apex of tongue

B. The glossopalatine glands

C. The posterior lingual glands

D. The palatine glands

17. When osteoblast lay new bone from outside to inside in a osteon, the active formation area is called________________?
comments icon0
A. Filling cone

B. Cutting cone

C. Howships cone

D. Haversion cone

18. Of the total amount of saliva secreted by all the salivary glands, about 60% is secreted by the_____________?
comments icon0

A. Sublingual glands

B. Submandibular glands

C. Parotid glands

D. None of the above

19. Bartholins duct is the name of_______________?
comments icon0

A. Lacrimal duct

B. Sublingual duct

C. Submandibular glands

D. Parotid duct

20. The intimal B cells of synovical memrbane of temporomandibular joint are_______________?
comments icon0
A. Fibroblast like

B. Lmphocyte like

C. Plasma cell like

D. Macrophage like

21. The tooth present close to maxillary sinus is_________________?
comments icon0

A. 1st premolar

B. 2nd premolar

C. 1st molar

D. 2nd molar

22. Which of the following is not correct ?
comments icon0

A. In chronic infections, the pain may mimic neuralgia of dental origin

B. None of the above

C. Malignant lesions of maxillary sinus produce their manifestations in maxillary teeth

D. In case of pituitary gigantis, all sinuses assume a larger volume than normal

23. The neutralization of saliva is due to______________?
comments icon0

A. Ammonia

B. Bicarbonates

C. Mucin

D. Amino acids

24. The duct(s) of gland(s) opening into the floor of the mouth is (are)_______________?
comments icon0

A. Von Ebner

B. submandibular and parotid

C. Sublingual and parotid

D. Submandibular and sublingual
25. Which of the following is true?
comments icon0

A. Maxillary sinus is four- sided pyramid

B. Maxillary sinus communicates with environment through middle meatus and nasal vestibule

C. In most of the cases, the main ostium is present in posterior third of hiatus semilunar

D. All of the above
26. Bone at forming stage has_________________?
comments icon0

A. None of the above

B. Megakaryocytes, osteoblasts, osteoclasts

C. Odontoblasts & megakaryocyte

D. Osteoclasts, osteoblasts, osteoid
27. Which of the following is correct?
comments icon0

A. Roof of mandible contains thin, compact bone

B. All of the above

C. Condyle contains red bone marrow

D. Articular tubercle is composed of spongy bone covered with thin compact bone

28. Acid neutralizing substance in saliva_____________?
comments icon0
A. Bicarbonate

B. Chlorides

C. NH3

D. Carbonate

29. Maxillary sinus is described as a four sided pyramid containing base, apex, roof and floor. The apex of maxillary sinus extends________________?
comments icon0
A. Laterally into zygomatics process of maxilla

B. Laterally into lateral nasal wall

C. Superiorly into floor of orbit

D. Medially into zygomatic process of maxilla

30. Second arch derivatives are all except_________________?
comments icon0

A. Superior part of hyoid bone

B. Malleus and incus

C. Styloid process

D. Stapes

31. Normal interincisal distance is____________________?
comments icon0

A. 38 mm

B. 28 mm

C. 58 mm

D. 48 mm
32. Which of the following is true_____________?
comments icon0
A. All of the above

B. The third auditory ossicle or stapes develops from 2nd branchial arch

C. Incus and malleus develops from mecketls cartilage

D. All the bones of upper face develop by intra membranous ossification

33. Whartons duct drains the_______________?
comments icon0

A. Parotid

B. Lacrimal gland

C. Pancreas

D. Submandibular gland
34. Saliva is secreted by____________?
comments icon0

A. Parotid gland

B. Major & minor salivary glands

C. Major salivary glands

D. Minor salivary glands

35. Which of the following is not correct?
comments icon0
A. False denticles contains many dentinal tubules

B. Embedded denticles are entirely surrounded by dentin (embedded in dentin)

C. Free denticles are entirely surrounded by pulp tissue(free of dentin)

D. Attached denticles are partly fused with dentin

36. Functional importance of maxillary sinus is______________?
comments icon0

A. Protects the brain against exposure to cold air by arresting air in sinus temporarily

B. Resonance of voice and enhancement of faciocranial resistance to mechanical shock

C. Lightening of skull weight and production of bactericidal lysozyme to the nasal cavity

D. All of the above
37. True about myoepithelial cell______________?
comments icon0
A. All of the above

B. The cell expel secretions by contraction

C. Also known as basket cell

D. Structure is similar to smooth muscle and contains actin & myosin

38. Role of meckels cartilage in development of mandible__________________?
comments icon0
A. It does not have any role

B. It has a minor role

C. It has a major role

D. None of the above

39. Among various glands, salivary gland secretion is unique in that, its secretions is unique in that, its secretion are controlled by___________?
comments icon0

A. All of the above

B. Hormones

C. Chemicals

D. Nerves
40. Serous demilunes are seen in______________?
comments icon0
A. Salivary glands

B. Gastric glands

C. Pancreas

D. Liver

41. Which of the following enzymes are involved in bone formation________________?
comments icon0

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 ?
comments icon0
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_______________?
comments icon0

A. Hypolithinium

B. Adenosine

C. Thymine

D. Uric acid

44. Mucin in mucous cells usually demonstrated by______________?
comments icon0

A. PAP stain

B. H & E stain

C. Mallory stain

D. Mucicarmine stain
45. Which of the following is correct?
comments icon0
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?
comments icon0

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_______________?
comments icon0

A. Rays fibres

B. Sharpeys fibres

C. Tomes fibres

D. All of the above

48. The type of epithelium lining maxillary sinus is_______________?
comments icon0
A. Pseudo stratified columnar and cilliated

B. Simple squamous

C. Stratified squamous

D. Simple columnar

49. The function of myoepithelial cells may be______________?
comments icon0

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____________?
comments icon0

A. Osteoblastic activity

B. Myeloid activity

C. Osteoclastic activity

D. Healing activity