Papilledema & Papillitis - Optic Nerve Anatomy Quiz

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What is the primary cause of papilledema according to the text?

Ischemia

Optic nerve abnormalities

Inflammation

Increased intracranial pressure (correct)

Which of the following is NOT a cause of increased intracranial pressure mentioned in the text?

Glaucoma (correct)

Encephalitis

Brain tumor

Subdural hematoma

What is the range of normal cerebrospinal fluid (CSF) pressure according to the text?

150-350 mmH2O

200-400 mmH2O

50-150 mmH2O

100-250 mmH2O (correct)

Which of the following is NOT a cause of optic disc swelling mentioned in the text?

Glaucoma Signup and view all the answers

What is the primary difference between papilledema and pseudopapilledema according to the text?

Papilledema is caused by increased intracranial pressure, while pseudopapilledema is caused by optic nerve abnormalities. Signup and view all the answers

Which of the following is NOT a characteristic of optic disc drusen according to the text?

They are typically associated with increased intracranial pressure. Signup and view all the answers

Which of the following best describes the location of the optic nerve?

It extends from the lamina cribrosa to the optic chiasma. Signup and view all the answers

What is the approximate length of the intraorbital portion of the optic nerve?

25 mm Signup and view all the answers

Which of the following meningeal sheaths does NOT cover the optic nerve?

Ependyma Signup and view all the answers

Papilledema & Papillitis - Optic Nerve Anatomy Quiz

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Questions and Answers

What is the primary cause of papilledema according to the text?

Which of the following is NOT a cause of increased intracranial pressure mentioned in the text?

What is the range of normal cerebrospinal fluid (CSF) pressure according to the text?

Which of the following is NOT a cause of optic disc swelling mentioned in the text?

What is the primary difference between papilledema and pseudopapilledema according to the text?

Which of the following is NOT a characteristic of optic disc drusen according to the text?

Which of the following best describes the location of the optic nerve?

What is the approximate length of the intraorbital portion of the optic nerve?

Which of the following meningeal sheaths does NOT cover the optic nerve?

Which part of the optic nerve is continuous with the meningeal spaces in the brain?

What is the normal cup-to-disc ratio of the optic disc?

What is the approximate diameter of the optic disc?

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