4451. The optic nerve terminates in the________________?
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A. Thalamus

B. Pituitary gland

C. Medulla oblangata

D. None of the above

4452. Damage to internal laryngeal nerve results in_____________?
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A. Breathing difficulty

B. Loss of timbre of voice

C. Anesthesia of the larynx

D. Hoarseness

4453. Spheno mandibular ligament is developed from________________?
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A. Fourth arch

B. Second arch

C. first arch

D. Third arch

4454. Pulsations felt in the suprasternal space are probably due to ____________?
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A. Common carotid artery

B. Vertebral artery

C. Inferior thyroid artery

D. Subclavian artery

4455. Which of the following is not a neuroectodermal derivative ?
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A. Odontoblasts

B. Schwann cells

C. Neurons

D. Paneth cells
4456. 1st arch artery is_________________?
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A. Maxillary artery

B. Stapedial artery

C. Carotid artery

D. Mandibular artery

4457. The nerve supply for motor action of buccinator______________?
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A. Maxillary nerve

B. Facial nerve

C. Mandibular nerve

D. Auriculo temporal nerve

4458. Nucleus in brain common to IX, X and XI cranial nerves____________?
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A. Dentate nucleus

B. Nucleus ambiguous

C. Red nucleus

D. Nucleus solitarius

4459. The lower lip gets its sensory supply though the__________________?
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A. Mental nerve

B. Mandibular branch of the facial nerve

C. Buccal branch of the mandibular nerve

D. Buccal branch of the facial nerve

4461. Arterial supply of Submandibular gland is through which branch of ECA________________?
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A. Superior pharyngeal

B. Ascending pharyngeal

C. None of the above

D. Maxillary

4462. Maxillary nerve innervates all of the following except______________?
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A. Temporomandibular joint

B. Gingiva of the maxilla

C. Ala of the nosa and lower eyelid

D. The upper cheeks

4463. TMJ is supplied by _______________?
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A. Auriculotemporal nerve

B. Buccal branch of facial nerve

C. Inferior alveolar nerve

D. All of the above

4464. Smiling and frowning are actions produced by the following nerves _______________?
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A. Facial expression; facial ( VII cranial)

B. Facial expression; trigeminal ( V cranial )

C. mastication; facial ( VII cranial )

D. Mastication; trigeminal ( V cranial )

4466. Maxillary artery is a branch for______________?
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A. External carotid artery

B. Facial artery

C. Internal carotid artery

D. Trigeminal artery

4467. The main arterial supply of face_______________?
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A. Internal carotid artery

B. Maxillary

C. Superficial temporal

D. Facial
4468. The cavernous sinus communicates directly with all , except_______________?
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A. Pterygoid venous plexus

B. Veins in orbit

C. Inferior petrosal sinus

D. Sigmoid and straight sinus
4469. Anterior spinal artery is a branch of____________?
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A. Vertebral artery

B. Basilar artery

C. Labyrinthine artery

D. Internal carotid artery

4470. Superior thyroid artery accompanies which nerve ?
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A. Superior laryngeal

B. C and A

C. External laryngeal

D. Internal laryngeal

4471. The common carotid artery may be palpated at_______________?
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A. nsverse process of C6

B. Transverse process of C5

C. Hyoid bone

D. Upper border of thyroid cartilage
4472. Which of the following structures is least likely to be damaged during mandibular 3rd molar extraction___________?
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A. Inferior alveolar nerve

B. Lingual artery

C. Inferior alveolar artery

D. Lingual nerve

4473. Haversian system is seen in______________?
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A. Cortical bone

B. Teeth

C. Nail

D. Cancellous bone

4474. Middle thyroid vein drains into _______ vein?
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A. Internal jugular

B. Brachio cephalic

C. External jugular

D. Anterior jugular

4475. Motor division of trigeminal division comes out via_______________?
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A. Foramen spinosum

B. Foramen ovale

C. Foramen lacerum

D. Foramen magnum

4476. The Otic Ganglion_____________?
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A. Receives preganglionic parasympathetic fibers, through the greater superficial petrosal nerve

B. Is related to the tensor tympani

C. Is in relation to maxillary nerve

D. Sends postganglionic parasympathetic fibers to auriculotemporal nerve
4477. Nerve which hooks around whartons duct is_______________?
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A. Inferior alveolar nerve

B. Auriculotemporal nerve

C. Lingual nerve

D. Mylohyoid nerve

4479. Which nerve is in close relation with the root of the lower 3rd molar ___________?
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A. Inferior alveolar nerve

B. Chorda tympani

C. Lingual nerve

D. Mylohyoid nerve

4480. Carotid sheath contains all except______________?
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A. Internal jugular vein

B. External carotid artery

C. Vagus nerve

D. Common carotid artery

E. Internal carotid artery

4481. The fusion of two bony structures with a ligament is known as_______________?
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A. Synchondrosis

B. syndesmosis

C. Diarthrosis

D. Synostosis

4482. Upper and lower lips are formed from which embryonic processes_____________?
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A. Maxillary mandibular lateral nasal and median nasal

B. Maxillary and median nasal

C. Mandibular and median nasal

D. Maxillary and mandibular

4483. Level III neck nodes are____________?
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A. around the middle 1/3rd of internal jugular vein

B. In the midline from hyoid to suprasternal notch

C. In the sub- mental triangle

D. In the posterior triangle

4484. The connecting vein between facial vein and cavernous sinus is_____________?
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A. Connecting pterygoid plexus

B. Superior ophthalmic vein

C. Inferior ophthalmic vein

D. None of the above

4485. Blood supply of coronoid process of mandible is primarily from_____________?
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A. Deep temporal artery

B. Inferior alveolar artery

C. Middle meningeal artery

D. Facial artery

4486. All of the following nerves are related to the mandible except_____________?
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A. Mental nerve

B. Auriculotemporal nerve

C. Lingual nerve

D. Chorda tympani
4487. Hyoid bone is a derivative of_______________?
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A. Second and third pharyngeal arches

B. First pharyngeal arch

C. First and second pharyngeal arches

D. Fourth pharyngeal arch

4488. TMJ is supplied by_____________?
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A. Internal carotid

B. A & B

C. Maxillary

D. Superficial temporal

4489. Palatine tonsil develops from________________?
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A. Ventral part of I pharyneal pouches

B. Dorsal part of II pharyneal pouches

C. Dorsal part of III pharyneal pouches

D. Ventral part of II pharyneal pouches
4490. The facial nerve _____________?
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A. Arises from the medulla oblongata

B. Carries no taste fibres

C. Transverses through parotid gland

D. Suppleis muscles of mastication

4491. Nerve supply of mucosa of larynx is_______________?
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A. Recurrent laryngeal

B. B & C

C. External laryngeal

D. Internal laryngeal

4492. Developmentally stomodeum is separated from the pharynx dorsally by ____________?
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A. Mandibular process

B. Rathkes pouch

C. Pharyneal arch

D. Buccopharyngeal membrane
4493. The transverse venous sinus continues as_________________?
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A. Straight sinus

B. Cavernous sinus

C. Ethmoidal sinus

D. Sigmoid sinus
4494. The cavernous sinus communicates directly with all except_____________?
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A. Sigmoid sinus and straight sinus

B. Pterygoid venous plexus

C. Veins in orbit

D. Inferior petrosal sinus

4495. Bundle of HIS is________________?
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A. Mainly supplied by left coronary

B. Has a dual blood supply?

C. Highly susceptible to ischaemia

D. Mainly supplied by right coronary

4496. All of the following muscles are supplied by the mandibular nerve except_______________?
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A. Masseter

B. Buccinator

C. Anterior belly of digastric

D. Medial pterygoid

4497. What is not true of facial artery __________________?
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A. Main source of oxygenated blood to palatine tonsil

B. Is a branch of internal carotid artery

C. Supplies branches to both upper and lower lips

D. Conveys post ganglionic sympathetic nerve fibres to the submandibular gland

4498. Holocrine secretion is seen in_____________?
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A. Salivary

B. Gastric

C. Mammary

D. Sebaceous glands
4499. If the seventh nerve is damaged on the right side of the face______________?
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A. taste from the right anterior two thirds of the tongue would not be affected

B. sympathetic fibre to salivary gland would be interrupted

C. the muscles of facial expression would be denervated

D. the muscles of mastication would be denervated

4500. CSF is directly returned to venous system by _____________?
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A. Cerebral veins

B. Choroid plexus

C. Emissary veins

D. Arachnoid villi