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4696 Anatomy

All except one is true regarding carotid sheath

ACarotid sheath contains internal carotid artery, internal jugular vein, and vagus nerve
BIt is formed by investing layer of deep cervical fascia, pretracheal and prevertebral fascia
CSympathetic chain runs vertically through the carotid sheath (Correct Answer)
D9,11, and 12th cranial nerves pierce the upper part of carotid sheath