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Human Anatomy - Craniofacial Muscles Quiz

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Which muscle is responsible for closing the eyelids?

Orbicularis oculi

Explanation

Orbicularis oculi contracts to close the eyelids.

Which muscle is primarily involved in smiling?

Zygomaticus major

Explanation

Zygomaticus major is the main muscle for smiling, pulling the corners of the mouth upward.

Which muscle is primarily responsible for closing the mouth?

Orbicularis oris

Explanation

Orbicularis oris closes the mouth, contributing to lip sealing.

Which muscle assists in rotating the head to the opposite side?

Sternocleidomastoid

Explanation

Sternocleidomastoid aids in head rotation to the opposite side.

Which muscle helps in protruding the tongue?

Genioglossus

Explanation

Genioglossus aids in protruding the tongue.

Which muscle is involved in closing the lips tightly?

Orbicularis oris

Explanation

Orbicularis oris closes the lips tightly, creating lip seal.

Which muscle is responsible for raising the eyebrows?

Frontalis

Explanation

Frontalis lifts the eyebrows, creating forehead wrinkles.

Which muscle is involved in protruding the lips?

Mentalis

Explanation

Mentalis protrudes the lips, creating a pouting effect.

Which muscle aids in chewing and closing the jaw?

Temporalis

Explanation

Temporalis contributes to chewing and closing the jaw during biting.

#10

Which muscle is involved in compressing the cheeks?

Buccinator

Explanation

Buccinator assists in compressing the cheeks, like when blowing air.

#11

Which muscle is responsible for elevating the hyoid bone?

Mylohyoid

Explanation

Mylohyoid elevates the hyoid bone during swallowing and speaking.

#12

Which muscle assists in depressing the mandible?

Medial pterygoid

Explanation

Medial pterygoid assists in depressing the mandible.

#13

Which muscle is involved in sucking and whistling?

Orbicularis oris

Explanation

Orbicularis oris is responsible for actions like sucking and whistling.

#14

Which muscle is responsible for retracting the mandible?

Lateral pterygoid

Explanation

Lateral pterygoid retracts the mandible, contributing to jaw movement.

#15

Which muscle is responsible for pulling the corners of the mouth downward?

Depressor anguli oris

Explanation

Depressor anguli oris pulls the corners of the mouth downward.

#16

Which muscle is responsible for elevating the corners of the mouth?

Levator anguli oris

Explanation

Levator anguli oris elevates the corners of the mouth.

#17

Which muscle is responsible for dilating the nostrils?

Nasalis

Explanation

Nasalis is responsible for dilating the nostrils, contributing to facial expressions.

Human Anatomy - Craniofacial Muscles Quiz

Which muscle is responsible for closing the eyelids?

Which muscle is primarily involved in smiling?

Which muscle is primarily responsible for closing the mouth?

Which muscle assists in rotating the head to the opposite side?

Which muscle helps in protruding the tongue?

Which muscle is involved in closing the lips tightly?

Which muscle is responsible for raising the eyebrows?

Which muscle is involved in protruding the lips?

Which muscle aids in chewing and closing the jaw?

Which muscle is involved in compressing the cheeks?

Which muscle is responsible for elevating the hyoid bone?

Which muscle assists in depressing the mandible?

Which muscle is involved in sucking and whistling?

Which muscle is responsible for retracting the mandible?

Which muscle is responsible for pulling the corners of the mouth downward?

Which muscle is responsible for elevating the corners of the mouth?

Which muscle is responsible for dilating the nostrils?

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