Lymphatic System (Robbin's Classification)

Question 1

Structures in Submandibular Area

Answer 1

IA - Submental Group

IB - Submandibular Group

Question 2

Structures in Deep Group of Lymph Nodes

Answer 2

IIA and IIB - Upper Jugular Group
III - Middle Jugular Group
IV - Lower Jugular Group

Question 3

Structures in Posterior Cervical Group

Answer 3

VA and VB - Posterior Triangle Group
VI - Anterior Compartment
VII - Superior Mediastinum

Question 4

What separates IA from IB

Answer 4

Digastric muscle

Question 5

What separates IIA from IIB

Answer 5

CN XI

Question 6

Separates IIA + IIB from III

Answer 6

Hyoid bone

Question 7

Separates III from IV

Answer 7

Cricoid level

Question 8

Separates VA and VB

Answer 8

upper region of posterior omohyoid

Question 9

IA drains what

Answer 9

Floor of mouth
Tip of tongue
Central Lower Lip
anterior mandibular alveolar ridge

Question 10

IB drains what

Answer 10

Oral cavity 
Upper lip and lateral parts of lower lip
Anterior nasal cavity
Submandibular gland
Soft tissue structures of mid face

Question 11

IIA and IIB drains what

Answer 11

(ONNOHLP)
Oral Cavity
Nasal Cavity
Nasopharynx
Oropharynx
Hypopharynx
Larynx 
Parotid gland

Question 12

III drains what

Answer 12

Oral cavity
Nasopharynx
Oropharynx
Hypopharynx
Larynx

Question 13

IV drains what

Answer 13

Hypopharynx
Cervical Esophagus
Larynx

Question 14

V(A) drains what

Answer 14

Nasopharynx

Oropharynx (spinal accessory nodes)

Question 15

V(B) drains what

Answer 15

Thyroid gland (transverse cervical vessels and supraclavicular nodes)

Question 16

VI drains what

Answer 16

Thyroid gland
Glottic and subglottic larynx
Apex of pyriform sinus
Cevical esophagus

Pre and paratracheal
perothyroidal
precricoid (delphian) nodes
reccurent laryngeal nerve nodes