NAO VOLUME 1 BANK QUESTIONS WITH DETAILED VERIFIED ANSWERS / EXAM QUESTIONS WILL COME FROM HERE (100% CORRECT ANSWERS/ A+ GRADED

NAO VOLUME 1 BANK QUESTIONS WITH DETAILED VERIFIED
ANSWERS / EXAM QUESTIONS WILL COME FROM HERE (100%
CORRECT ANSWERS/ A+ GRADED


Reflex tears - ANSWER-Produced by lacrimal glands & are caused by stimulus
such as coughing, sneezing, strong smells & emotions


Layers of tear film (outer-innermost) - ANSWER-Lipid, aqueous, mucin


Tear lake, tear prism, tear meniscus - ANSWER-Collection of the thin film of tears
on the lower lid margin


Ectropia - ANSWER-Eyelids turn outward


Entropion - ANSWER-Eyelids turn inward


Conjunctiva - ANSWER-Mucous membrane lining lids & globe


Goblet cells - ANSWER-produce mucus


Conjunctivitis - ANSWER-inflammation of the conjunctiva


First tunic (outer tunic) - ANSWER-Sclera, cornea, limbus


2nd tunic (middle tunic) - ANSWER-Sclera-retina (iris, ciliary body, choroid)


3rd tunic (inner tunic) - ANSWER-Retina
1

, Outer tunic - ANSWER-Fibrous; receives O2 from tears and blood vessels


Layers of the cornea (outermost-innermost) - ANSWER-Epithelium, Bowman's
layer, stroma, descements membrane, endothelium


Epithelium - ANSWER-Has 5-7 layers


Bowman's layer - ANSWER-If damaged, scar tissue will form


Endothelium - ANSWER-If deprived of O2, will lost cells quickly & cause
swelling


Average power of the cornea - ANSWER-42.00-45.00 diopters


Canal of Schlemm - ANSWER-Encircles the lumbar region; where aqueous drains
into the trabecular meshwork


Middle tunic - ANSWER-vascular


Inner tunic - ANSWER-Light sensitive


Anterior chamber - ANSWER-Back surface of the cornea & the iris


Posterior chamber - ANSWER-Between the iris and crystalline lens



2