Which of the Following Is the Most Commonly Used Extraoral

question 14

Multiple Choice

Which of the following is the most commonly used extraoral film size?

• A) 3 × 5
• B) 4 × 6
• C) 5 × 7
• D) 10 × 12

---

Definitions:

Vaccine

A biological preparation that provides active acquired immunity to a particular infectious disease.

Common Cold

A viral infection of the upper respiratory tract that is characterized by congestion, runny nose, coughing, sore throat, and sometimes mild fever.

HIV Vaccine

A vaccine that is under research and development to prevent or treat the human immunodeficiency virus (HIV).

Antibacterial Soap

A type of soap containing chemical ingredients intended to kill or inhibit the growth of bacteria on the skin.