Sales Training 2014 - Dentistry

Vasculature of the Head and Neck

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within and around lateral pterygoid muscle. It is drained by the maxillary vein. The plexus communi- cates with (a) The facial vein (b) The cavernous sinus (c) The inferior ophthalmic vein

10. Veins of the face have no valves. They drain into the neck and into the skull; extensive anastomoses ex- ist between facial veins and veins of the cranium; therefore, infection can spread from the face to the cranium. 11. Pterygoid plexus is a network of veins which lies

SECTION I

MULTIPLE CHOICE QUESTIONS

(c) Within the muscles of the tongue (d) Within the eye 9. The principal vein of the head is the

1. The vein that accompanies an artery is called the (a) Vena comitans (b) Arteriovenous anastomosis (c) Capillary (d) Venous shunt 2. The artery that carries deoxygenated blood is the (a) Pulmonary artery (b) Cerebral artery (a) Internal carotid artery (b) External carotid artery (c) Cerebral artery (d) Superficial temporal artery 4. The maxillary artery is divided into three parts by the (a) Buccinator (b) Medial pterygoid (c) Masseter (d) Lateral pterygoid 5. The arterial supply to the lower teeth is by the (a) Internal carotid artery (b) Infraorbital artery (c) Inferior alveolar artery (d) Sphenopalatine artery 6. The inferior alveolar artery is a branch of the (a) Superficial temporal artery (b) Maxillary artery (c) Infraorbital artery (d) Vertebral artery 7. The muscular branches that supply the muscles of mastication arise from the (c) Subclavian artery (d) Maxillary artery 3. Facial artery is a branch of the

(a) Internal jugular vein (b) External jugular vein (c) Anterior jugular vein (d) Thoracic vein 10. Facial vein drains into the (a) Ophthalmic vein (b) Internal jugular vein (c) Clavicular vein (d) External vein 11. Infection of the face reaches the cavernous sinus through the (a) Kiesselbach’s plexus (b) Maxillary artery (c) Ophthalmic artery (d) Pterygoid plexus 12. Danger area refers to the region involving the (a) Eye (b) Upper lip and nose (c) Floor of the mouth (d) Ear 13. The vein formed by the union of the superficial tem- poral and maxillary veins is the (c) Auricular vein (d) Subclavian vein 14. Venous drainage of the tongue is by the (a) Mandibular vein (b) Submandibular vein (c) Cervical vein (d) Deep lingual vein 15. The confluence of five arteries in the anteroinferior area of the nasal septum is called (a) Retromandibular vein (b) External jugular vein

(a) First part of the maxillary artery (b) Second part of the maxillary artery (c) Third part of the maxillary artery (d) The mandibular artery 8. The pterygoid plexus of veins is present (a) In the cranial fossa (b) Around the lateral pterygoid

(a) Little’s area (b) Brittle’s area (c) Highmore’s area (d) Burn’s area

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6/5/2012 11:12:53 AM