Ophthalmology - Review Questions With Correct Answers

Ophthalmology - Review Questions With Correct Answers What systemic disease can cause dacroadentitis? - Correct Ans-Sarcoidosis What is the hallmark PE finding associated with orbital cellulitis? TEST QUESTION - Correct Ans-Reduced Visual Acuity What layer of the cornea, keeps the cornea dehydrated? - Correct Ans-The endothelium What topical steroid is known to potentially cause cataracts? - Correct Ans-Lotoprednol What are the functions of the ciliary body? - Correct Ans-Produce aqueous humor, and accomodation What component of the ANS innervates the ciliary muscle of the ciliary body? What is this muscle's function? - Correct Ans-It is innervated by the autonomic branch of the parasympathetic nervous system. Contraction of this muscle releases tension on the zonules of zinn, which allows the lens to assume a more convex shape. The iris is comprised of two muscles. What are they, how are they innervated and what function do they serve? - Correct Ans-1) Dilator pupillae / sympathetic innervation / mydriasis 2) Sphincter pupillae / parasympathetic innervation / miosis Vasculopathic, Tumor, Trauma, and Congenital are all etiologies assoc with what cranial nerve dysfunction? - Correct Ans-4th CN Vasculopathic, Tumor, and Increased ICP are etiologies associated with what CN palsy? - Correct Ans-6th CN What are the 5 refractory media of the eye? - Correct Ans-Tear film, cornea, aqueous, lens, vitreous What diseases can mimic central retinal artery occlusion? - Correct Ans-Tay Sachs and Neimann Pick disease Vasculopathic, Tumor, and Aneurysm are all etiologies associated with dysfunction of what CN? - Correct Ans-3rd CN Blood and thunder fundus is indicative of what condition? What are two etiologies of this condition? - Correct Ans-Central Retinal Vein Occlusion; Diabetes and HTN What is the likely cause of central retinal vein occlusion? - Correct Ans-Thrombus What are the 3 true ocular emergenices? - Correct Ans-Penetrating trauma to the eye, chemicals in the eye, sudden vision loss What cranial nerves come from the medulla? - Correct Ans-CN's IX and XII What finding is typically found in both wet and dry forms of macular degeneration? - Correct AnsDrusen (yellowish spots on the retina which are formed by metabolic waste products from the photoreceptors) Deformed pupil = ? -