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CCI RVS Exam Prep Questions And Answers (Latest 2023 – 2024) 100% Verified 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 CORRECT ANS: 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 CORRECT ANS: 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 - CORRECT ANS: 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 pathways e) rete mirable - CORRECT ANS: 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 - CORRECT ANS: d) middle cerebral and anterior cerebral arteries What is the most common anomaly of the circle of Willis?