Acute osteomyelitis is most frequently caused by which of the following microorganisms?

Related Mcqs:

1. Which of the following is more prone to osteomyelitis:__________?

   A. Maxilla
   B. zygoma
   C. palatine bone
   D. mandible

2. Garre’s chronic non suppurative sclerosing osteomyelitis is characterized clinically by:____________?

   A. Endosteal bone formation
   B. Periosteal bone formation
   C. Resorption of medullary bone
   D. Resorption of cortical bone

3. 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

4. Osteomyelitis begins as an inflammation of:__________?

   A. Cortical bone
   B. Periosteum
   C. Medullary bone
   D. periosteum and inner cortex

5. 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

6. The chronic osteomyelitis of the jaw consists of:_____________?

   A. condensing osteitis
   B. Sclerotic cemental mass
   C. chronic diffuse sclerosing osteomyelitis
   D. All of the above

7. The tooth most commonly involved in chronic focal sclerosing osteomyelitis is:___________?

   A. Maxillary second molar
   B. Maxillary third molar
   C. Maxillary first molar
   D. Mandibular first molar

8. Abscess formation is particularly characteristic of infections with which of the following microorganisms:_____________?

   A. Viruses
   B. Rickettsiae
   C. Streptococci
   D. Staphylococci

9. Inactivated microorganisms are used in the manufacture of which of the following________________?

   A. Salk vaccine
   B. Tetanus toxoid
   C. Sabin’s oral vaccine
   D. All of the above

10. Dry heat destroys microorganisms by_____________?

    A. Lysis
    B. Oxidation
    C. Hydrolysis of DNA
    D. Coagulation of proteins