Competitive Bone, AMJ And Maxillary Sinus ( Oral Histology ) MCQs – Medical MCQs
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Latest Medical MCQs
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Latest Bone, AMJ And Maxillary Sinus ( Oral Histology ) Mcqs
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Which of the following is correct?
A. Condyle contains red bone marrow
B. Articular tubercle is composed of spongy bone covered with thin compact bone
C. Roof of mandible contains thin, compact bone
D. All of the above
The components of future TMJ shows development at_____________?
A. 18 weeks
B. 6 weeks
C. 10 weeks
D. 16 weeks
Which of the following is true?
A. Immature born / embryonic bone seen during fracture healing contains less calcified material and greater number of large osteocytes
B. CAMP or cyclic adenosine monophosphate levels are increased on pressure side of bone and this results in bone resorption
C. Cutting cone or resorption tunnel is the area of resorption seen in alveolar bone
D. All of the above
Which of the following is true_____________?
A. All the bones of upper face develop by intra membranous ossification
B. The third auditory ossicle or stapes develops from 2nd branchial arch
C. Incus and malleus develops from mecketls cartilage
D. All of the above
Which of the following is not correct ?
A. Malignant lesions of maxillary sinus produce their manifestations in maxillary teeth
B. In chronic infections, the pain may mimic neuralgia of dental origin
C. In case of pituitary gigantis, all sinuses assume a larger volume than normal
D. None of the above
Which of the following is true?
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
Which of the following is wrong?
A. Type II spongiosa is seen in maxilla
B. The architecture of type I spongiosa is seen in mandible
C. Condylar process & angle in mandible, and tuberosity in maxilla contain hemopoietic cellular marrow
D. Bundle bone contains a lesser amounts of calcium salts than other types of bony tissue
Which of the following is not true___________?
A. supporting alveolar bone surrounds the alveolar bone proper and supports the socket
B. Alveolar bone proper surrounds the root and gives attachment to fibres of periodontal ligament
C. The cortical plates are thinner in maxilla than in mandible
D. They are thickest in anterior portion of jaw
Mandible develops by______________?
A. Membranous ossification only
B. Endochondral ossification only
C. Both of the above
D. None of the above
The marrow found in the mandible is____________?
A. All red marrow
B. All fatty marrow
C. All fibrous marrow
D. A combination of fatty and fibrous marrow
Reversal lines which may be seen on the cribriform plate (alveolar bone proper) of the alveolar process indicate the cessation of____________?
A. Myeloid activity
B. Osteoclastic activity
C. Osteoblastic activity
D. Healing activity
Organ of chievity is seen near the______________?
A. Medial surface of the mandible
B. Mental foramen
C. Naso palatine foramen
D. Foramen caecum
The maxillary sinus______________?
A. Is fully developed by the age of 8 years
B. Has the 1st molar projecting into its floor
C. Opens in to the inferior meatus of nose
D. Has good drainage in upright position
The type of epithelium lining maxillary sinus is_______________?
A. Stratified squamous
B. Pseudo stratified columnar and cilliated
C. Simple columnar
D. Simple squamous
Functional importance of maxillary sinus is______________?
A. Protects the brain against exposure to cold air by arresting air in sinus temporarily
B. Lightening of skull weight and production of bactericidal lysozyme to the nasal cavity
C. Resonance of voice and enhancement of faciocranial resistance to mechanical shock
D. All of the above
The articular cartilage is characterized by all of the following features except_____________?
A. It is avascular
B. It has a rich nerve supply
C. It is devoid of perichondrium
D. It lacks the capacity to regenerate
The muscle which is commonly involved in myofacial pain dysfunction syndrome______________?
A. Lateral ptergoid
B. Temporalis
C. Massetor
D. Medial pterygoid
Fibres which continue from bone to ligament are_______________?
A. Sharpey’s fibres
B. Ray’s fibres
C. Tome’s fibres
D. All of the above
Fibres which continue from bone to ligament are_____________?
A. Sharpey’s fibres
B. Ray’s fibres
C. Tome’s fibres
D. All of the above
Enamel MCQs
Which of the following enzymes are involved in bone formation________________?
A. Catalase and phosphorylase
B. Alkaline phosphatase and urease
C. Alkaline phosphatase and phosphorylase
D. Acid phosphatase and catalase
When osteoblast lay new bone from outside to inside in a osteon, the active formation area is called________________?
A. Cutting cone
B. Filling cone
C. Haversion cone
D. Howships cone
The intimal B cells of synovical memrbane of temporomandibular joint are_______________?
A. Fibroblast like
B. Lmphocyte like
C. Macrophage like
D. Plasma cell like
Maxillary sinus is described as a four sided pyramid containing base, apex, roof and floor. The apex of maxillary sinus extends________________?
A. Laterally into zygomatics process of maxilla
B. Laterally into lateral nasal wall
C. Medially into zygomatic process of maxilla
D. Superiorly into floor of orbit
The process of recesses formation in maxillary sinus is most frequently seen with________________?
A. Frontal process
B. Zygomatic process
C. Alveolar process
D. Palatine process
Haversion systems (osteons) are found primarily in the_________________?
A. Periosteum
B. Spongy bone
C. Alveolar bone proper
D. Endosteum
Alveolar bone proper is also known as: or Which of the following is seen as lamina dura in an IOPA radiograph ?
A. Lamina densa
B. Lamina lucida
C. Lamina propria
D. Lamina dura
Basic metabolic unit of bone is_______________?
A. Osteon
B. Osteocyte
C. Osteoblast
D. Osteoclast
Second arch derivatives are all except_________________?
A. Styloid process
B. Malleus and incus
C. Stapes
D. Superior part of hyoid bone
The type of bone present in the labial area of anterior teeth is_________________?
A. Cortical
B. Osteophytic
C. Cancellous
D. Exophytic
The tooth present close to maxillary sinus is_________________?
A. 1st molar
B. 1st premolar
C. 2nd premolar
D. 2nd molar
Normal interincisal distance is____________________?
A. 48 mm
B. 58 mm
C. 38 mm
D. 28 mm
The condyle of mandible is composed of____________________?
A. Cancellous bone
B. Compact bone
C. Cancellous bone covered by thin layer of compact bone
D. Compact bone covered by cancellous bone
Role of meckel’s cartilage in development of mandible__________________?
A. It has a minor role
B. It has a major role
C. It does not have any role
D. None of the above
Basal bone is____________?
A. That part of the bone embracing apices of root of teeth
B. Ramus of the mandible
C. Lower border of the mandible
D. That part of the bone containing teeth
Mature bone is otherwise called as______________?
A. Irregular bone
B. woven bone
C. Lamellar bone
D. Resorbing bone
Bone at forming stage has_________________?
A. Osteoclasts, osteoblasts, osteoid
B. Megakaryocytes, osteoblasts, osteoclasts
C. Odontoblasts & megakaryocyte
D. None of the above
Calcium content of lamina dura is______________?
A. More than the other parts of alveolar bone
B. Less than the cementum
C. Same as in other parts of alveolar bone
D. Less than the other parts of alveolar bone
If a child’s teeth do not form, this would primarily effect the growth of the_____________?
A. Whole face
B. Basal bone
C. Mandible
D. Alveolar bone
Alveolar process helps in providing_____________?
A. Boundaries for the tongue during speech
B. Support and retention to the complete denture
C. Attachment to muscles of facial expression
D. Support the natural teeth