Quiz 3- Neuro Ophthalmology 4 Comments / By Insight Ophthalmology / 03/12/2024 Welcome to Quiz 3- Neuro Ophthalmology Quiz on Insight Ophthalmology! This quiz comprises 5 MCQs. You will have 7 minutes to complete the quiz. Correct answers will be provided at the end of the quiz. So go ahead and test your insight. All the best! 1. Which statement about T1- and T2-weighted MRI images is correct? T1-weighted images use long TR( repetition time ) and TE (echo time) On T2-weighted images, water-rich tissues like the vitreous appear bright. Air appears bright on MRI scans. . T2-weighted images are better for anatomical detail than T1-weighted images. None 2. What is the appearance of cortical bone on MRI scans? Bright on T1 and T2 images. Dark on all sequences. Bright only on T2 images. Gray on T1 images and bright on T2 images. None 3. What is a key characteristic of T2-weighted MRI images? Short TR and TE times emphasize fat signals. Long TR and TE times highlight water signals. Short TR and TE times highlight cortical bone. Long TR and TE times emphasize fat signals. None 4. Which of the following conditions is most likely to cause bright (hyperintense) signals on T2-weighted MRI images? Edema Hemorrhage Bone marrow Tumors None 5. A 45-year-old patient presents with painless, progressive vision loss in the left eye over several months. MRI with contrast is performed. Which of the following findings on MRI would most likely suggest an optic nerve glioma? Uniform enhancement of the optic nerve with gadolinium contrast Fusiform enlargement of the optic nerve with T1 hypointensity and T2 hyperintensity Well-circumscribed lesion with calcifications near the optic chiasm Intense enhancement of the optic nerve sheath without enlargement of the nerve None You have reached the end of this quiz. Please click the Submit button to view the result.
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