The Retromandibular Vein Connects the Internal and External Jugular Veins

Multiple Choice

The retromandibular vein connects the internal and external jugular veins.Sometimes a branch of the retromandibular vein is missing,which will affect the size of the jugular vein.

A) Both statements are true.
B) The first statement is true;the second statement is false.
C) The first statement is false;the second statement is true.
D) Both statements are false.