351. Hyperacusis is due to the damage to which of the following muscles ________________?
A. Orbicularis oris
B. Styloglossus
C. Stylopharyngeus
D. Stapedius

352. Muscle involved in the rotation and protrusion of the mandible_______________?
A. Masseter
B. Medial pterygoid
C. Temporalis
D. Digastric

353. Mylohyoid muscle________________?
A. Arises from hyoid bone
B. developed from second pharyngeal arch
C. Depresses the hyoid
D. Elevates the hyoid

354. All of the following muscles are grouped together as “muscles of mastication” except_______________?
A. Buccinator
B. Masseter
C. Temporalis
D. Pterygoids

355. The action of digastric muscle is__________________?
A. Depression of mandible
B. Protrusion of mandible
C. Side- to- side movement of mandible
D. Depressing the floor of the mouth

356. IN relation to the occlusal plane following muscles are in descending order _____________?
A. Genioglossus, hyoglossus, cculomoto, cculomot
B. Genioglossus, cculomoto, cculomot, anterior belly of digastric
C. Hyoglossus, genioglossus, cculomoto, anterior belly of digastric
D. Geniohyoid, genioglossus, cculomot, anterior belly of digastric

357. Floor of mouth is made by which muscle ___________________?
A. Genioglossus
B. Geniohyoid
C. Mylohyoid
D. Masseter

358. Oral diaphragm is formed by_________________?
A. Mylohyoid muscle
B. Genioglossus muscle
C. Buccinator muscle
D. Orbicularis oris muscle

359. Al are structures lying deep to the hyoglossus muscle except_______________?
A. Hypoglossal nerve
B. Lingual artery
C. Stylohyoid muscle
D. Geniohyoid muscle

360. Muscle of palate , which works around hamular notch and forms a tendon is____________?
A. Levator palatine
B. Palatopharyngeus
C. Tensor palatine
D. Stylopharyngeus


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