CWB 8 Special Senses questions n answers rated A+ 2023/2024

CWB 8 Special Senses extrinsic eye muscles - correct answer External Eye Muscles that are attached to the eye and allow us to direct our eyes toward a moving object Eyelids - correct answer protect the anterior surface of the eye, with the help of eyelashes Tarsal Glands - correct answer Secrete oil that helps lubricate the eyes Conjunctivitis - correct answer Inflammation of the mucosa lining the eyelids and covering the anterior part of the eyeball Pathway of lacrimal gland secretion - correct answer Lacrimal canals -> Lacrimal sac -> Nasolacrimal Duct -> Nasal Cavity What eye movement is caused by: Superior Rectus - correct answer Superiorly and medially What eye movement is caused by: Inferior Rectus - correct answer Inferiorly and Medially What eye movement is caused by: Superior Oblique - correct answer Inferiorly and Laterally What eye movement is caused by: Lateral Rectus - correct answer Laterally What eye movement is caused by: Medial Rectus - correct answer Medially What eye movement is caused by: Inferior Oblique - correct answer Superiorly and laterally What substance does conjunctiva secrete - correct answer mucus What substance do lacrimal glands secrete? - correct answer Saltwater and Lysozyme which have antibacterial properties What substance do tarsal glands secrete? - correct answer Oil Galucoma - correct answer Condition of increasing pressure inside the eye, resulting from blocked drainage of aqueous humor Refraction - correct answer Bending of light Emmetropia - correct answer normal vision Cataract - correct answer clouding of the lens, resulting in loss of sight night blindness - correct answer inability to see well in the dark; often a result of vitamin A deficiency accommodation - correct answer Ability to focus for close vision (less than 20 feet) hyperopia - correct answer Inability to focus well on close objects; farsightedness Photopupillary - correct answer reflex-constriction of pupils when they are exposed to bright light astigmatism - correct answer Blurred vision, resulting from unequal curvatures of the lens or cornea Myopia - correct answer nearsightedness Convergence - correct answer medial movement of the eyes during focusing on close objects What nervous system division controls intrinsic eye muscles? - correct answer autonomic nervous system What does a Convex Lens produce? - correct answer an image that is upside down and reversed from left to right called a real image Where is light focused in farsightedness? - correct answer behind the retina What lens do you treat farsightedness with? - correct answer convex lens Where is light focused in nearsightedness? - correct answer in front of the retina what do you treat nearsightedness with? - correct answer concave lens cilliary zonule - correct answer Attaches the lens to the cilliary body aquaous humor - correct answer Fluid in the anterior segment that provides nutrients to the lens and cornea Sclera - correct answer white of the eye optic disk - correct answer area of retina that lacks photoreceptors Cilliary Body - correct answer contains muscle that controls the shape of the lens Choroid - correct answer Nutritive (vascular) layer of the eye. Heavily Pigmented layer that prevents light scattering within the eye Canal of Schlemm - correct answer Drains the aqueous humor of the eye Retina - correct answer layer containing the rods and cones vitreous humor - correct answer gel-like substance that helps to reinforce the eyeball Smooth Muscle structures in the eye - correct answer Intrinsic eye muscles: Cilliary Body and Iris forea centralis - correct answer area of acute or discriminatory vision Refractory Media of the eye - correct answer aqueous humor, cornea, lens, vitreous humor Cornea - correct answer Most anterior part of the sclere--your window to the world Iris - correct answer Pigmented "diaphragm" of the eye Events happening in the eye during distant vision - correct answer Ciliary Muscle relaxed, Lens convexity decreased, and degree of refraction decreased Events happening in the eye during close vision - correct answer Ciliary Muscle contracted, Lens convexity increased, and degree of refraction increased Sequence of vision pathway - correct answer Retina -> Optic Nerve -> Optic Chiasma -> Optic Tract -> Synapse in thalamus -> optic radiation -> optic cortex How many varieties of cones are in the eye? - correct answer 3