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Medical Mcqs

Functional importance of maxillary sinus is______________?

Functional importance of maxillary sinus is______________?

A. Lightening of skull weight and production of bactericidal lysozyme to the nasal cavity
B. Protects the brain against exposure to cold air by arresting air in sinus temporarily
C. Resonance of voice and enhancement of faciocranial resistance to mechanical shock
D. All of the above

Functional importance of maxillary sinus is______________? Read More »

AMJ And Maxillary Sinus, Bone, Medical Mcqs, Oral Histology

The articular cartilage is characterized by all of the following features except_____________?

The articular cartilage is characterized by all of the following features except_____________?

A. It is devoid of perichondrium
B. It has a rich nerve supply
C. It is avascular
D. It lacks the capacity to regenerate

The articular cartilage is characterized by all of the following features except_____________? Read More »

AMJ And Maxillary Sinus, Bone, Medical Mcqs, Oral Histology

Which of the following enzymes are involved in bone formation________________?

Which of the following enzymes are involved in bone formation________________?

A. Alkaline phosphatase and urease
B. Catalase and phosphorylase
C. Alkaline phosphatase and phosphorylase
D. Acid phosphatase and catalase

Which of the following enzymes are involved in bone formation________________? Read More »

AMJ And Maxillary Sinus, Bone, Medical Mcqs, Oral Histology

When osteoblast lay new bone from outside to inside in a osteon, the active formation area is called________________?

When osteoblast lay new bone from outside to inside in a osteon, the active formation area is called________________?

A. Haversion cone
B. Filling cone
C. Cutting cone
D. Howships cone

When osteoblast lay new bone from outside to inside in a osteon, the active formation area is called________________? Read More »

AMJ And Maxillary Sinus, Bone, Medical Mcqs, Oral Histology

Maxillary sinus is described as a four sided pyramid containing base, apex, roof and floor. The apex of maxillary sinus extends________________?

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. Medially into zygomatic process of maxilla
C. Laterally into lateral nasal wall
D. Superiorly into floor of orbit

Maxillary sinus is described as a four sided pyramid containing base, apex, roof and floor. The apex of maxillary sinus extends________________? Read More »

AMJ And Maxillary Sinus, Bone, Medical Mcqs, Oral Histology