Which veins combine to form the retromandibular vein?

Show Answers

Superficial temporal vein and maxillary veinSuperficial temporal vein and internal jugular veinSuperficial temporal vein and supratrochlear veinMaxillary vein and posterior auricular vein

Explanation

The retromandibular vein is created by the union of the superficial temporal vein and the maxillary vein. Other options list veins that do not directly form the retromandibular vein.