RVT- Muscles of the face and neck

Question 1

What do each of the muscles of mastication due?

Answer 1

Masseter - closes jaw
Pterygoids - One closes, One opens
Digastricus - opens the mouth
Temperol - closes the jaw

Question 2

What are the muscles of facial expression?

Answer 2

Obicularis oris
Obicularis oculi
Levator nasolabialis
Frontal muscle
Zygomaticus
Platysimus

Question 3

What does the obicularis oculi do?

Answer 3

Opens and closes the eye

Question 4

What does the obicularis oris do?

Answer 4

Lifts and pulls back the lips

Question 5

What is the function of the levator nasolabialis?

Answer 5

Raises nose and lip

Question 6

What is the function of the frontalis muscle?

Answer 6

Brings eye and ear closer

Question 7

Whaat is the function of the Zygomaticus?

Answer 7

Brings base of ear down

Question 8

What is the purpose of the platysma muscle?

Answer 8

Pulls lip on side and bottom down

Question 9

What is the main nerve that innervates all facial muscles?

Answer 9

‘Facial nerve’ If it gets damaged = facial paralysis

Question 10

What are the 4 muscles of mastication?

Answer 10

Digastricus
Masseter
Temporal
Pterygoid