Your Dentist Gives You an Injection of Anesthetic in Preparation

question 45

Multiple Choice

Your dentist gives you an injection of anesthetic in preparation for a filling.Which cranial nerve did they target?

• A) V
• B) VII
• C) IX
• D) XII

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Definitions:

Universal Motor

An electric motor that can operate on either AC or DC power, commonly found in household appliances.

Wound Armature

An armature with coils wound around its laminated core, typically part of an electric machine, that interacts with the magnetic field to generate motion or electricity.

Compensating Winding

A winding used in electrical machines to reduce unwanted effects of armature reaction, improving performance.

Neutral Plane

The region in a rotating electrical machine where the magnetic field does not induce any electromotive force in the armature.