On Routine Radiographic Examination, an Asymptomatic 0

question 22

Multiple Choice

On routine radiographic examination, an asymptomatic 0.5 cm radiolucent lesion was found at the apex of tooth no. 24 in a 37-year-old woman. The pulp tested vital. This lesion is most likely which of the following?

• A) Condensing osteitis
• B) Periapical granuloma
• C) Periapical scar
• D) Focal sclerosing osteitis
• E) Periapical cemento-osseous dysplasia

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Definitions:

Serotonin

Serotonin is a neurotransmitter that has a key role in stabilizing mood, feelings of well-being, and happiness, as well as regulating sleep, digestion, and other bodily functions.

Dopamine

A neurotransmitter involved in many functions, including mood, sleep, learning, motivation, and reward.

Myelin Sheath

A fatty covering that surrounds and insulates nerve fibers, speeding up the transmission of nerve impulses.

Neural Impulses

Electrical impulses moving through neurons that convey data across the nervous system.