17. The controls the amount of light entering the eye 18. Sensory impulses are t
ID: 3515830 • Letter: 1
Question
17. The controls the amount of light entering the eye 18. Sensory impulses are transmitted over the facial, glossopharyngeal and vagus nerves are involved in the sensation of 19. A Blood rich nutritive tunic that contains a dark pigment is the 20. Lacrimal canals, nasolacrimal ducts, nasal cavity best from the describes a normal route for the flow of eyes into the nasal cavity 21. Lack of one type of cone cell is called. 22. The region of the tongue with the greatest sensitivity to bitter tastes is the sour is the sweet is the and salty is the 23. The component found in tears is produced by meibomian glands. 24. The optic nerve leaves and enters the eye at the 25. The muscles depresses the eye and moves it laterally 26. Pink eye is caused by a bacterial infection of the 27. The white of the eye is the 28. Color receptors with in the retina are sensitive to what 3 wave length of visible light. 29. Greatest visual acuity is found at the 30 is normal visionExplanation / Answer
17.Iris : thin circular structure for controlling diameter and size of pupil of eye.
18.Taste
19.choroid: pigmented layer prevents scattering of light within the eye.
20.tears.
21.colourblindness.
22.back .
23.Oil:meobomian gland also called as tassel gland .itx halocrine type of exocrine gland present at the time of eyelids it supplies meibum.
24.blind spot
25.superior oblique:controls eyes moventev,abducts or depressess or internally rotates eye.it originates from orbital apex above annulus of zinn.
26.cinjuctiva
27.sclera.itx white of eye opaque fibrous protecting covering of eye.
28.red blue and green .
29.Fovea centralis: tiny dimples on retina for sharpest and brilliant vision.
30.Emmetropia: parallel rays are focussed without accimdation on retina.
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