Lymph nodes and function

Question 1

Division of lymph nodes

Answer 1

Superficial ring and vertical group of deep lymph nodes

Question 2

Where do superficial lymph nodes receive lymph from

Answer 2

Scalp, face and neck
Arranged in a ring shape
Drain into the deep lymph nodes

Question 3

Occipital lymph nodes

Answer 3

Located in the back of the head

Collect lymph from the occipital area of the scalp

Question 4

Post auricular lymph nodes

Answer 4

Posterior to ear

Collect lymph posterior neck, upper ear and back of the EAM

Question 5

Pre auricular lymph nodes

Answer 5

Anterior to the auricle of the ear

Collect lymph from the superficial areas of the face and temporal region

Question 6

Parotid lymph nodes

Answer 6

Located superficially to the parotid gland

Collect lymph from the nose, nasal cavity, EAM, tympanic cavity and the lateral borders of the orbit

Question 7

Submental lymph nodes

Answer 7

Located superficially to the mylohyoid

Collect lymph from the central lower lip, floor of the mouth and the apex of the tongue

Question 8

Submandibular lymph nodes

Answer 8

Located below the mandible in the submandibular triangle
Collect lymph from cheeks, lateral aspects of the nose, upper lip, lateral parts of the lower lip, gums and the anterior tongue
Receive lymph from the submittal and facial lymph nodes

Question 9

Facial lymph nodes

Answer 9

Maxillary/ infraorbital, buccinator and supramandibular lymph nodes
Collect lymph from the mucous membranes of the nose and cheek, eyelids and conjunctiva

Question 10

Superficial cervical lymph nodes

Answer 10

Can be divided into superficial anterior cervical nodes and the lateral superficial cervical lymph nodes

Question 11

What are deep lymph nodes also known as

Answer 11

Cervical lymph nodes

Organised into a vertical chain, located within close proximity to the internal jugular vein within the carotid sheath

Question 12

What is Waldeyer’s ring

Answer 12

Lymphatic tissue surrounding the superior pharynx

Lymphatic tissue responds to pathogens that may be ingested or inhaled

Question 13

What tonsils make up Waldeyer’s ring

Answer 13

Lingual tonsil
Palatine tonsil
Tubal tonsil
Pharyngeal tonsil

Question 14

Where do the deep cervical nodes extend from

Answer 14

The base of the skull to the clavicle

Grouped into superior, middle and inferior groups

Question 15

Superior deep cervical group

Answer 15

Drain the soft palate, tonsils, palatoglossal/ pharyngeal arches, posterior aspect and base of the tongue, pyriform fossa and the larynx above the vocal folds
Drains superficial nodes of the face and scalp
Drains the upper retropharyngeal nodes

Question 16

Middle deep cervical group

Answer 16

Drain the larynx above the vocal folds, lower pyriform sinus and posterior cricoid
Receives secondary drainage from the chain above

Question 17

Inferior deep cervical group

Answer 17

Drain the thyroid, trachea and cervical oesophagus

Secondarily drain the deep cervical chain above the paratracheal nodes

Question 18

Jugular digastric node

Answer 18

Anterior to the jugular vein and sternocleidomastoid just below posterior belly of digastric
Receives lymph from tonsil, neighbouring mucosa and posterior members of the submandibular group of lymph nodes

Question 19

Jugular omohyoid node

Answer 19

Above the inferior belly of omohyoid behind the jugular vein

Question 20

Lymphatic drainage of the teeth

Answer 20

Lower incisors = BILATERAL
Submental nodes
Submandibular nodes
Jugulo- omohyoid node

Upper dentition, lower canines, premolar and molar = UNILATERAL
Submandibular nodes
Jugulo- omohyoid node

Question 21

Lymphatic drainage of the tongue

Answer 21

Anterior 2/3= IPSILATERAL 
Submandibular node
Jugulo- omohyoid node 
Posterior 1/3= BILATERAL
Jugulo- omohyoid node 
Tip= BILATERAL 
Submental node 
Submandibular