Auriculotemporal and Great Auricular Nerves Functions Quiz

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What is the nerve supply of the parotid gland responsible for watery secretion?

Parasympathetic supply

From which spinal segment do the preganglionic sympathetic fibers for the parotid gland arise?

T1

What syndrome is associated with damage to the auriculotemporal and great auricular nerves?

Frey's syndrome

What type of secretion is produced upon stimulation of the sympathetic supply to the parotid gland?

Thick sticky secretion Signup and view all the answers

Which nerve is responsible for the sensory supply of the parotid fascia?

Great auricular nerve (C2 and C3) Signup and view all the answers

How can calculi lodged in the distal portion of the parotid gland be removed?

By splitting up the duct from its opening in the mouth Signup and view all the answers

What are the components found in the auriculotemporal nerve?

Parasympathetic (secretomotor), sensory, and sympathetic fibres. Signup and view all the answers

What is Frey's syndrome characterized by?

Redness, heat, and pain in the ipsilateral cheek (parotid region) when eating, associated with gustatory sweating. Signup and view all the answers

Where does the arterial blood supply for the parotid gland come from?

External carotid and superficial temporal arteries. Signup and view all the answers

Describe the lymphatic drainage pathway of the parotid gland.

Lymphatics from the parotid gland drain into superficial and deep parotid lymph nodes, which then drain into deep cervical lymph nodes. Signup and view all the answers

What happens during regeneration when the great auricular nerve is cut?

Sensory and sudomotor fibers grow into endoneurial sheaths of fibers supplying cutaneous receptors, sweat glands, and blood vessels. Signup and view all the answers

How are the venous drainage routes of the parotid gland?

Venous drainage occurs into retromandibular and external jugular veins. Signup and view all the answers

What is the function of the tortuous course of the parotid duct?

Provide a valve-like mechanism to prevent inflation of the duct system during excessive blowing of the mouth. Signup and view all the answers

How is the parotid duct represented on the face?

By the middle third of the line extending from the lower border of the tragus to the midpoint between the ala of the nose and the red margin of the upper lip. Signup and view all the answers

Why is probing the parotid duct difficult?

Due to its tortuous course. Signup and view all the answers

Where can the parotid duct be found in relation to the zygomatic arch?

One finger’s breadth below it. Signup and view all the answers

How can the parotid duct be damaged in facial injuries?

It may be cut inadvertently during surgical procedures on the face or injured due to facial trauma. Signup and view all the answers

How can calculi (stones) in the parotid gland and duct be visualized radiologically?

By injecting radio-opaque dye through a fine needle or canula inserted into the mouth of the duct in the vestibule of the oral cavity (parotid sialogram). Signup and view all the answers