CCI - RVS Exam Prep Questions with well explained answers

The common carotid divides into its external and internal branches usually at the level of the upper border of the: a) hyoid b) cricoid c) thyroid cartilage d) cricothyroid membrane e) carina - Answer-c) thyroid cartilage The prominence of the larynx is formed by the: a) hyoid bone b) thyroid cartilage c) cricoid cartilage d) thyroid gland e) greater cornu - Answer-b) thyroid cartilage The infraorbital artery is a terminal branch of the: a) maxillary artery b) facial artery c) inferior alveolar artery d) transverse facial artery e) superficial temporal artery - Answer-a) maxillary artery Intracranial potential collateral arteries include all but the following: a) anterior communicating artery b) posterior communicating artery c) superficial temporal artery d) leptomeningeal pathwayse) rete mirable - Answer-c) superficial temporal artery The two arteries creating the bidirectional signal observed 60 to 65 mm deep during transcranial insonation of the temporal window are the: a) posterior cerebral and anterior cerebral arteries b) right and left vertebral arteries c) middle cerebral and posterior cerebral arteries d) middle cerebral and anterior cerebral arteries e) right (or left) vertebral and right (or left) posterior inferior cerebral arteries - Answer-d) middle cerebral and anterior cerebral arteries What is the most common anomaly of the circle of Willis? - Answer-Absence or hypoplasia of one or both of the communicating arteries The most common anatomic variant of the aortic arch is: - Answer-a common origin of the innominate and left common carotid arteries The superficial vein that sends flow to the three main perforating veins of the distal calf is called: a) small saphenous vein b) posterior accessory vein c) peroneal vein d) perforator trunk vein e) medial malleolar vein - Answer-b) posterior accessory vein