Not true about deep cervical lymph nodes
The deep cervical lymph nodes are situated along the internal jugular vein, and include the jugulodigastric node below the posterior belly of the digastric and the jugulo-omohyoid node above the inferior belly of the omohyoid Ref : B D Chaurasia's Human Anatomy, seventh edition, volume 3 , pg. no. 100 ( fig. 8.28 - pg. no. 162 )
Lie along external jugular vein
Tonsil is drained by jugulodigastric nodes
Lie deep to sternocleidomastoid
Tongue drains into juguloomastoid
Head and neck