FACIAL EXPRESSION AND MUSCLES OF MASTICATION

which muscle helps you make this facial expression?

surprise

• risorius

• fronto-occiplitalis

• platysma

• depressor anguli orid

which muscle helps you make this facial expression?

frowning

• risorius

• fronto-occiplitalis

• corrugator supercilii

• orbicularis occuli

which muscle helps you make this facial expression?

• orbicularis occuli

• risorius

• buccinator

• orbicularis oris

choose the correct lesion

• LEFT UMNL

• RIGHT UMNL

• LEFT FACIAL NERVE LMNL

• RIGHT FACIAL NERVE LMNL

A FUNCTIONNING ORBICULARIS OCCULI AND OCCIPITOFRONTALIS WITH LOWER FACE PARALYSIS ON RIGHT SIDE DENOTES

• LEFT UMNL

• RIGHT UMNL

• LEFT FACIAL NERVE LMNL

• RIGHT FACIAL NERVE LMNL

A patient has locked jaw, which muscle opens the jaw?

• medial pterygoid

• lateral pterygoid

• temporalis

• masseter

a patient has pain on pulling his jaw backwards, which muscle is likely affected

• masseter

• temporalis

• medial pterygoid

• lateral pterygoid

a surgeon has to dissect the muscle attached to coronoid process to approach infratemporal fossa, which muscle is this

• temporalis

• medial pterygoid

• masseter

• lateral pterygoid

a maxillofacial surgeon dissects the tmj capsule to release fibrosed joint

which muscle is dissected in the process

• medial pterygoid

• temporalis

• lateral pterygoid

• masseter

during inferior dental block, a muscle attached to interior angle of mandible is injured, which muscle is that

• lateral pterygoid

• medial pterygoid

• temporalis

• masseter