Which One of These Muscles Helps to Open the Mouth

question 34

Multiple Choice

Which one of these muscles helps to open the mouth (depress the mandible) ?

• A) Zygomaticus major
• B) Digastric
• C) Sternohyoid
• D) Depressor anguli oris
• E) Hyoglossus

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Definitions:

Learned Preference

Preferences or tastes acquired through exposure, experience, or conditioning rather than innate inclination.

Impulse Control

The ability to resist or delay an immediate urge or desire in order to achieve a longer-term goal or adhere to societal norms.

Fine Motor Skills

The small muscle movements of the hands, fingers, and other parts of the body that enable tasks such as writing, typing, and tying shoelaces.

Preference Increase

The process by which an individual's favor or liking for a particular stimulus or choice becomes more pronounced over time.