Bone, Amj And Maxillary Sinus MCQs

Option A: Roof of mandible contains thin, compact bone

Option B: Articular tubercle is composed of spongy bone covered with thin compact bone

Option C: Condyle contains red bone marrow

Option D: All of the above

Correct Answer: All of the above ✔

Option A: 6 weeks

Option B: 18 weeks

Option C: 10 weeks

Option D: 16 weeks

Correct Answer: 10 weeks ✔

Option A: Cutting cone or resorption tunnel is the area of resorption seen in alveolar bone

Option B: CAMP or cyclic adenosine monophosphate levels are increased on pressure side of bone and this results in bone resorption

Option C: Immature born / embryonic bone seen during fracture healing contains less calcified material and greater number of large osteocytes

Option D: All of the above

Correct Answer: All of the above ✔

Option A: All the bones of upper face develop by intra membranous ossification

Option B: Incus and malleus develops from mecketls cartilage

Option C: The third auditory ossicle or stapes develops from 2nd branchial arch

Option D: All of the above

Correct Answer: All of the above ✔

Option A: In case of pituitary gigantis, all sinuses assume a larger volume than normal

Option B: In chronic infections, the pain may mimic neuralgia of dental origin

Option C: Malignant lesions of maxillary sinus produce their manifestations in maxillary teeth

Option D: None of the above

Correct Answer: None of the above ✔

Option A: Maxillary sinus communicates with environment through middle meatus and nasal vestibule

Option B: Maxillary sinus is four- sided pyramid

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

Option D: All of the above

Correct Answer: All of the above ✔

Option A: The architecture of type I spongiosa is seen in mandible

Option B: Type II spongiosa is seen in maxilla

Option C: Condylar process & angle in mandible, and tuberosity in maxilla contain hemopoietic cellular marrow

Option D: Bundle bone contains a lesser amounts of calcium salts than other types of bony tissue

Correct Answer: Bundle bone contains a lesser amounts of calcium salts than other types of bony tissue ✔

Option A: Alveolar bone proper surrounds the root and gives attachment to fibres of periodontal ligament

Option B: supporting alveolar bone surrounds the alveolar bone proper and supports the socket

Option C: The cortical plates are thinner in maxilla than in mandible

Option D: They are thickest in anterior portion of jaw

Correct Answer: They are thickest in anterior portion of jaw ✔

Option A: Endochondral ossification only

Option B: Membranous ossification only

Option C: Both of the above

Option D: None of the above

Correct Answer: Both of the above ✔

Option A: All fatty marrow

Option B: All red marrow

Option C: All fibrous marrow

Option D: A combination of fatty and fibrous marrow

Correct Answer: A combination of fatty and fibrous marrow ✔

Option A: Osteoblastic activity

Option B: Osteoclastic activity

Option C: Myeloid activity

Option D: Healing activity

Correct Answer: Osteoclastic activity ✔

Option A: Medial surface of the mandible

Option B: Naso palatine foramen

Option C: Mental foramen

Option D: Foramen caecum

Correct Answer: Medial surface of the mandible ✔

Option A: Opens in to the inferior meatus of nose

Option B: Has the 1st molar projecting into its floor

Option C: Is fully developed by the age of 8 years

Option D: Has good drainage in upright position

Correct Answer: Has the 1st molar projecting into its floor ✔

Option A: Simple columnar

Option B: Pseudo stratified columnar and cilliated

Option C: Stratified squamous

Option D: Simple squamous

Correct Answer: Pseudo stratified columnar and cilliated ✔

Option A: Lightening of skull weight and production of bactericidal lysozyme to the nasal cavity

Option B: Protects the brain against exposure to cold air by arresting air in sinus temporarily

Option C: Resonance of voice and enhancement of faciocranial resistance to mechanical shock

Option D: All of the above

Correct Answer: All of the above ✔

Option A: It is devoid of perichondrium

Option B: It has a rich nerve supply

Option C: It is avascular

Option D: It lacks the capacity to regenerate

Correct Answer: It has a rich nerve supply ✔

Option A: Lateral ptergoid

Option B: Massetor

Option C: Temporalis

Option D: Medial pterygoid

Correct Answer: Lateral ptergoid ✔

Option A: Sharpey’s fibres

Option B: Tome’s fibres

Option C: Ray’s fibres

Option D: All of the above

Correct Answer: A. Sharpey’s fibres ✔

Option A: Sharpey’s fibres

Option B: Tome’s fibres

Option C: Ray’s fibres

Option D: All of the above

Correct Answer: A. Sharpey’s fibres ✔

Option A: Alkaline phosphatase and urease

Option B: Catalase and phosphorylase

Option C: Alkaline phosphatase and phosphorylase

Option D: Acid phosphatase and catalase

Correct Answer: Alkaline phosphatase and phosphorylase ✔

Option A: Haversion cone

Option B: Filling cone

Option C: Cutting cone

Option D: Howships cone

Correct Answer: Filling cone ✔

Option A: Fibroblast like

Option B: Macrophage like

Option C: Lmphocyte like

Option D: Plasma cell like

Correct Answer: Fibroblast like ✔

Option A: Laterally into zygomatics process of maxilla

Option B: Medially into zygomatic process of maxilla

Option C: Laterally into lateral nasal wall

Option D: Superiorly into floor of orbit

Correct Answer: Laterally into zygomatics process of maxilla ✔

Option A: Zygomatic process

Option B: Frontal process

Option C: Alveolar process

Option D: Palatine process

Correct Answer: Alveolar process ✔

Option A: Spongy bone

Option B: Periosteum

Option C: Alveolar bone proper

Option D: Endosteum

Correct Answer: Alveolar bone proper ✔

Option A: Lamina lucida

Option B: Lamina densa

Option C: Lamina propria

Option D: Lamina dura

Correct Answer: Lamina dura ✔

Option A: Osteon

Option B: Osteoblast

Option C: Osteocyte

Option D: Osteoclast

Correct Answer: Osteon ✔

Option A: Stapes

Option B: Malleus and incus

Option C: Styloid process

Option D: Superior part of hyoid bone

Correct Answer: Malleus and incus ✔

Option A: Cortical

Option B: Cancellous

Option C: Osteophytic

Option D: Exophytic

Correct Answer: Cortical ✔

Option A: 1st molar

Option B: 2nd premolar

Option C: 1st premolar

Option D: 2nd molar

Correct Answer: 1st molar ✔

Option A: 48 mm

Option B: 38 mm

Option C: 58 mm

Option D: 28 mm

Correct Answer: 48 mm ✔

Option A: Compact bone

Option B: Cancellous bone

Option C: Cancellous bone covered by thin layer of compact bone

Option D: Compact bone covered by cancellous bone

Correct Answer: Cancellous bone ✔

Option A: It has a major role

Option B: It has a minor role

Option C: It does not have any role

Option D: None of the above

Correct Answer: It does not have any role ✔

Option A: That part of the bone embracing apices of root of teeth

Option B: Lower border of the mandible

Option C: Ramus of the mandible

Option D: That part of the bone containing teeth

Correct Answer: That part of the bone embracing apices of root of teeth ✔

Option A: woven bone

Option B: Irregular bone

Option C: Lamellar bone

Option D: Resorbing bone

Correct Answer: Lamellar bone ✔

Option A: Osteoclasts, osteoblasts, osteoid

Option B: Odontoblasts & megakaryocyte

Option C: Megakaryocytes, osteoblasts, osteoclasts

Option D: None of the above

Correct Answer: Osteoclasts, osteoblasts, osteoid ✔

Option A: More than the other parts of alveolar bone

Option B: Less than the other parts of alveolar bone

Option C: Same as in other parts of alveolar bone

Option D: Less than the cementum

Correct Answer: More than the other parts of alveolar bone ✔

Option A: Basal bone

Option B: Whole face

Option C: Mandible

Option D: Alveolar bone

Correct Answer: Alveolar bone ✔

Option A: Support and retention to the complete denture

Option B: Boundaries for the tongue during speech

Option C: Attachment to muscles of facial expression

Option D: Support the natural teeth

Correct Answer: Support the natural teeth ✔