Retinal Dystrophies MCQ Quiz
Test your knowledge of retinal dystrophies with this multiple-choice quiz.
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1. Which of the following is the most common form of inherited retinal dystrophy?
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Retinitis pigmentosa
Stargardt disease
Leber congenital amaurosis
Best disease
2. Which gene is most frequently mutated in autosomal dominant retinitis pigmentosa?
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RHO
ABCA4
USH2A
CNGB1
3. Which symptom is most characteristic of retinitis pigmentosa?
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Night blindness
Central vision loss
Color vision loss
Photophobia
4. Which retinal dystrophy is associated with a 'beaten bronze' appearance of the macula?
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Stargardt disease
Best disease
Retinitis pigmentosa
Cone dystrophy
5. What is the inheritance pattern of Leber congenital amaurosis?
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Autosomal recessive
Autosomal dominant
X-linked
Mitochondrial
6. Which test is most useful for diagnosing retinal dystrophies?
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Electroretinogram (ERG)
Fluorescein angiography
Ocular coherence tomography (OCT)
Visual field test
7. Which of the following is a key feature of cone dystrophy?
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Photophobia
Night blindness
Tunnel vision
Peripheral vision loss
8. Which vitamin deficiency can worsen the progression of some retinal dystrophies?
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Vitamin A
Vitamin C
Vitamin D
Vitamin E
9. In which retinal dystrophy is the 'egg yolk' lesion seen?
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Best disease
Stargardt disease
Retinitis pigmentosa
Cone-rod dystrophy
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