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
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
