Head

Question 1

Lateral Rectus

Answer 1

• Common tendinous ring (attached to orbit around optic foramen)
• Lateral side of eyeballs
• Abduction
• Abducent nerve (CN VI)

Question 2

Superior Rectus

Answer 2

• Common tendinous ring (attached to orbit around optic foramen)
• Superior and central part of eyeballs
• Elevation
• Adduction
• Intorsion

-Oculomotor nerve (CN III)

Question 3

Inferior Rectus

Answer 3

• Common tendinous ring (attached to orbit around optic foramen)
• Inferior and central part of eyeballs
• Depression
• Adduction
• Extorsion

-Oculomotor nerve (CN III)

Question 4

Medial Rectus

Answer 4

• Common tendinous ring (attached to orbit around optic foramen)
• Medial side of eyeballs • -Adduction
• Oculomotor nerve (CN III)

Question 5

Levator Palpebrae Superioris

Answer 5

-Lesser wing of sphenoid bone (superior and anterior to optic canal)

• Superior tarsus
• Skin of upper eyelid
• Elevates superior eyelid
• Oculomotor nerve (CN III)

Question 6

Inferior Oblique

Answer 6

• Maxilla in floor of orbit
• Eyeballs between inferior and lateral recti
• Elevation
• Abduction
• Extorsion

-Oculomotor nerve (CN III)

Question 7

Superior Oblique

Answer 7

• Sphenoid bone, superior and medial to common tendinous ring in orbit
• Eyeballs between superior and lateral recti via tendon that passes through trochlea
• Depression
• Abduction
• Intorsion

-Trochlear nerve (CN IV)

Question 8

Dilator Pupillae

Answer 8

• Outer Margin of iris
• Sphincter Pupillae
• Dilation of pupil
• Long ciliary nerves (sympathetics)

Question 9

Temporalis

Answer 9

• Temporal Fossa
• Coronoid process of mandible and anterior margin of ramus
• Elevation and retraction of mandible
• Mandibular branch of CN V

Question 10

Masseter

Answer 10

• Zygomatic Arch
• Lateral Ramus of mandible
• Elevation of mandible
• Mandibular branch of CN V

Question 11

Lateral Pterygoid

Answer 11

• Lateral surface of lateral plate of pterygoid process
• Capsule of TMJ joint (articular disc) and neck of mandible
• Protrusion and “Side to Side” movements of mandible

–Mandibular branch of CN V

Question 12

Medial Pterygoid

Answer 12

• Medial surface of lateral plate of pterygoid process
• Medial surface of mandible near angle
• Elevation, protrusion and “Side to Side” movements of mandible
• Mandibular branch of CN V