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Xerostomia Mechanism Quiz

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Questions and Answers

What is the most likely mechanism for the man's xerostomia?

Decrease in mucin concentration associated with CN IX damage (correct)

Increase in water concentration associated with sympathetic nerve damage

Increase in mucin concentration associated with CN IX damage

Decrease in mucin concentration associated with sympathetic nerve damage

What is the clinical manifestation of this man's xerostomia?

High saliva volume and low viscosity

High saliva volume and high viscosity

Low saliva volume and low viscosity

Low saliva volume and high viscosity (correct)

Which nerve is likely implicated in the development of the man's xerostomia?

CN V (Trigeminal nerve)

CN VII (Facial nerve)

CN X (Vagus nerve)

CN IX (Glossopharyngeal nerve) (correct)

What is the most likely cause of the man's xerostomia following radiation treatment?

Decrease in mucin concentration associated with CN IX damage Signup and view all the answers

What is the role of the glossopharyngeal nerve (CN IX) in the development of xerostomia following radiation treatment?

Activation of salivary glands Signup and view all the answers

How does radiation treatment likely affect the salivary glands, leading to xerostomia?

Stimulation of glossopharyngeal nerve (CN IX) activity causing a decrease in mucin concentration Signup and view all the answers

What is the most likely mechanism for the man's xerostomia?

Decrease in mucin concentration associated with CN IX damage Signup and view all the answers

Which nerve damage is most likely responsible for the development of the man's xerostomia?

CN IX damage Signup and view all the answers

What is the role of sympathetic nerve damage in the development of xerostomia?

Increases water concentration in saliva Signup and view all the answers

Xerostomia Mechanism Quiz

Choose a study mode

Podcast

Questions and Answers

What is the most likely mechanism for the man's xerostomia?

What is the clinical manifestation of this man's xerostomia?

Which nerve is likely implicated in the development of the man's xerostomia?

What is the most likely cause of the man's xerostomia following radiation treatment?

What is the role of the glossopharyngeal nerve (CN IX) in the development of xerostomia following radiation treatment?

How does radiation treatment likely affect the salivary glands, leading to xerostomia?

What is the most likely mechanism for the man's xerostomia?

Which nerve damage is most likely responsible for the development of the man's xerostomia?

What is the role of sympathetic nerve damage in the development of xerostomia?

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