Anatomy 1

Question 1

emissary veins

Answer 1

valveless veins that traverse dipole and can spread infection intracranially

Question 2

muscles responsible for closing mouth (elevation)

Answer 2

temporalsis
masseter
medial pterygoid

Question 3

muscles responsible for opening mouth (depression)

Answer 3

lateral pterygoid
supra hyoid
infrahyoid muscles

Question 4

protrusion of mandible

Answer 4

lateral pterygoid
masseter
medial pterygoid

Question 5

retrusion of mandible

Answer 5

temporalis

masseter

Question 6

lateral movements (e.g. grinding and chewing)

Answer 6

temporalis of same side
pterygoids of opposite side
masseter

Question 7

main action genioglossus

Answer 7

depresses tongue

moves it to contralateral side

Question 8

hyoglossus main function

Answer 8

depresses and retrudes tongue

Question 9

styloglossus main function

Answer 9

retrudes and curls tongue

Question 10

palatoglossus main function

Answer 10

elevating posterior tongue