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Anatomy And physiology (JCAHPO/ATPO Pocket Guide) – Questions With Correct Answers
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Anatomy And physiology (JCAHPO/ATPO Pocket Guide)– Questions With Correct Answers
Accommodation Right Ans - Occurs when ciliary muscle contracts releasing
tension on zonular fibers and allowing the lens to expand, resulting in
increased plus power (Near Vision)
Iris Right Ans - -Colored portion of the eye
-Regulates amount of light entering globe
- Contains sphincter and Dilator muscles that control pupil size.
Vitreous Body Right Ans - -Clear gel like substance
-Occupies two thirds of the volume of the eye.
-provides for some retinal nutrition
Retina Right Ans - Receives light impulses and transmits them to the brain
Via the optic nerve
Surface anatomy and Eyelids Right Ans - Lateral Canthus
Meibomian Gland Openings
Cilia
Cilia follicles
Medial Canthus
Palpebral Fissure
Eyelids Right Ans - Upper and lower moveable folds that act as shutters
Name 3 functions of the Eyelids Right Ans - Protect the eye
Keep out light
Spread tear film evenly over cornea
What is the Puncta? Right Ans - Tiny openings on upper and lower eyelid
margins near the nose that drain excess tears.
What are the function of the Eyelashes(Cilia) ? Right Ans - Sweeps away
airborne dust particles and other foreign matter when eyelids blink
Levator palp ever Superioris Muscle Right Ans - Elevates eyelid
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