Medical MCQs

5099 MCQs  (Page 507 of 510)

Pain due to acute irreversible pulpitis is:____________?
A. Spontaneous
B. Sharp- shock like
C. Lasting for short time
D. Continuous
Reversible pulpitis change to irreversible pulpitis primarily because of:__________?
A. Vacular strangulation
B. Reduced host resistance
C. Invasion of microorganisms
D. An increase in microbial virulence
Which is not true of Ludwig’s angina?
A. Usually arises from an infected molar
B. Involves submandibular space
C. May need emergency tracheostomy
D. None of the above
Odontogenic epithelium responsible for the formation of dental cyst is:___________?
A. Cell rests of seirre
B. Enamel organ
C. Reduced enamel epithelium
D. Cell rests of malassez
The caries of enamel surface leads to accentuation of:__________?
A. Incremental lines of retzius
B. Perikymata
C. Imbrication lines of pickerill
D. Wickham’s striae
Constant feature associated with a radicular cyst
A. An impacted tooth
B. A missing both
C. A non-vital tooth
D. An anomalous tooth
The earliest radiographic sign of osteomyelitis is___________?
A. Solitary or multiple small radiolucent areas
B. Increased granular radioopacity
C. Blurring of trabecular outlines
D. Formation of sequestrum appearing as radiopaque patches
Osteomyelitis begins as an inflammation of:__________?
A. Cortical bone
B. Periosteum
C. Medullary bone
D. Periosteum and inner cortex
Focal sclerosing osteomyelitis is:__________?
A. Due to excessive periosteal bone formation
B. An extremely painful condition
C. Due to low grade chronic infection
D. A common sequel following sequestrectomy