Lymphatic Drainage of Head and Neck

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What percentage of the total lymph nodes in the human body are located in the head and neck region?

13-17% (correct)

10-15%

15-20%

13-18%

Which of the following lymph nodes is NOT a part of the superficial lymph nodes in the head and neck region?

Deep cervical nodes (correct)

Submental nodes

Mastoid nodes

Submandibular nodes

Where do the efferents from the deep cervical lymph nodes drain into on the right side?

Thoracic duct

Jugular trunk

Right lymphatic duct (correct)

Subclavian vein

What is the primary function of lymph nodes in the body?

All of the above Signup and view all the answers

Which of the following lymph nodes is an offshoot of the superficial parotid nodes?

Superficial cervical nodes Signup and view all the answers

What is the name of the duct that the efferents from the deep cervical lymph nodes drain into on the left side?

Thoracic duct Signup and view all the answers

Which of the following is a characteristic of superficial lymph nodes?

Lie above the investing layer of deep cervical fascia Signup and view all the answers

Which of the following lymph nodes is NOT part of the outer circle?

Paratracheal nodes Signup and view all the answers

What is the main function of lymph nodes in filtering substances that travel through the lymphatic fluid?

To help the body fight infection and diseases Signup and view all the answers

What is the main function of the submandibular nodes?

To drain lymph from the tongue and lower lip Signup and view all the answers

Which lymph nodes receive lymph from the centre of the forehead?

Submandibular nodes Signup and view all the answers

What is the location of the prelaryngeal nodes?

In front of the trachea and above the isthmus of the thyroid gland Signup and view all the answers

Which lymph nodes drain into the jugulo-omohyoid nodes?

Submandibular nodes Signup and view all the answers

What is the location of the buccal nodes?

In the buccinator Signup and view all the answers

Which lymph nodes surround the upper part of the respiratory and alimentary passages?

Inner circle nodes Signup and view all the answers

What is the main difference between the outer circle and inner circle lymph nodes?

Location in the head and neck Signup and view all the answers

Which of the following nodes is NOT a part of the upper deep cervical lymph nodes?

Submental nodes Signup and view all the answers

Which lymph node group receives afferents from the palatine tonsils and the posterior 1/3rd of the tongue?

Jugulo-digastric nodes Signup and view all the answers

What is the function of the jugulo-omohyoid nodes?

Acting as principal nodes of the tongue Signup and view all the answers

Which lymph node group is located along the anterior jugular vein?

Anterior cervical nodes Signup and view all the answers

What is the name of the left supraclavicular nodes or left scalene nodes?

Virchow’s nodes Signup and view all the answers

Into which nodes do the jugulo-digastric nodes drain?

Lower deep cervical nodes Signup and view all the answers

Which of the following is NOT a part of the deep cervical lymph nodes?