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Questions and Answers
What is the primary cause of papilledema according to the text?
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?
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?
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?
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?
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 is NOT a characteristic of optic disc drusen according to the text?
Which of the following best describes the location of the optic nerve?
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?
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 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?
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 normal cup-to-disc ratio of the optic disc?
What is the approximate diameter of the optic disc?
What is the approximate diameter of the optic disc?
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