Muscles of the anterior neck

The video tutorial explores the anatomy and function of facial muscles, focusing on their role in expressing emotions. It covers the innervation, blood supply, and lymphatic drainage of these muscles. The tutorial delves into specific muscle groups, including orbital, nasal, oral, auricular, and scalp muscles, explaining their functions and significance. Clinical notes on facial nerve paralysis, including causes and treatment, are also discussed. The tutorial concludes with a summary of the key points covered.

What percentage of communication is considered to be nonverbal?

• 38%

• 55%

• 7%

• 93%

Which cranial nerve is responsible for innervating the facial muscles?

• 7th cranial nerve

• 6th cranial nerve

• 5th cranial nerve

• 8th cranial nerve

What is the primary function of the orbicularis oculi muscle?

• To flare the nostrils

• To raise the eyebrows

• To close the eyes

• To open the mouth

Which muscle is involved in flaring the nostrils?

• Mentalis

• Buccinator

• Nasalis

• Orbicularis oris

Which muscle is known for its role in smiling?

• Zygomaticus major

• Corrugator supercilii

• Orbicularis oculi

• Nasalis

What is the function of the buccinator muscle?

• To close the eyes

• To wrinkle the forehead

• To press the cheeks against the teeth

• To elevate the upper lip

Which muscle group is responsible for moving the ears?

• Auricular group

• Nasal group

• Orbital group

• Oral group

What is the function of the occipital belly of the occipitofrontalis muscle?

• To flare the nostrils

• To close the mouth

• To pull the scalp backwards

• To elevate the eyebrows

What is the most common cause of facial nerve paralysis?

• Bell's palsy

• Petrous bone fracture

• Brain tumor

• Stroke

Which muscle is responsible for tensing the skin of the neck?

• Zygomaticus minor

• Levator anguli oris

• Mentalis

• Platysma