Retina is most sensitive at (a) optic disc (b) periphery (c) macula lutea (d) fovea centralis

Retina is most sensitive at
(a) optic disc (b) periphery
(c) macula lutea (d) fovea centralis
by

1 Answer

Answer :

(d) fovea centralis.
by

Related questions

The junction of optic nerve and retina is insensitive to light and no image is formed here , it is known as ______. a)blind spot b)yellow spot c) fovea d)pupil

Description : The junction of optic nerve and retina is insensitive to light and no image is formed here , it is known as ______. a)blind spot b)yellow spot c) fovea d)pupil

Last Answer : a)blind spot

Macula lutea is part of

Description : Macula lutea is part of

Last Answer : Macula lutea is part of A. Optic nerve B. Sclerotic C. Choroid D. Retina

Densely packed portion of macula lutea where visual activity is greatest is

Description : Densely packed portion of macula lutea where visual activity is greatest is

Last Answer : Densely packed portion of macula lutea where visual activity is greatest is

Central pit of yellowish pigmented macula lutea is

Description : Central pit of yellowish pigmented macula lutea is

Last Answer : Central pit of yellowish pigmented macula lutea is

Densely packed portion of macula lutea where visual activity is greatest is

Description : Densely packed portion of macula lutea where visual activity is greatest is

Last Answer : Densely packed portion of macula lutea where visual activity is greatest is

Central pit of yellowish pigmented macula lutea is

Description : Central pit of yellowish pigmented macula lutea is

Last Answer : Central pit of yellowish pigmented macula lutea is

Macula lutea?

Description : Macula lutea?

Last Answer : DefinitionThe macula lutea is the yellow oval spot at the center of the retina (back of the eye). It is responsible for sharp, detailed central vision (also called visual acuity).Alternative ... D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 449.

The following are true: a. the ratio of rod to cone is about 20:1 b. there are more ganglion cells in the retina than photoreceptors c. the rod density is the highest nasal to the optic disc d. the retinal artery is the main supply of nutrients to the photoreceptors

Description : The following are true: a. the ratio of rod to cone is about 20:1 b. there are more ganglion cells in the retina than photoreceptors c. the rod density is the highest nasal to the optic disc d. the retinal artery is the main supply of nutrients to the photoreceptors

Last Answer : the ratio of rod to cone is about 20:1

The following are true about dark adaptation: a. only regeneration of rhodopsin is responsibleb. adaptation usually takes about 20 minutes c. dilatation of pupil plays a part in dark adaptation d. it is better with the fovea than the peripheral retina

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The cells of the retinal pigment epithelium: a. are of mesenchymal origin b. are shorter at the fovea than else where in the retina c. have intracellular melanosomes d. regenerate visual pigment e. form the inner outer blood-retina barrier

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In Central retinal artery occlusion, a cherry red spot is due to: a. Hemorrhage at macula b. Increased choroidal perfusion c. Increase in retinal perfusion at macula d. The contrast between pale retina and reddish choroids

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In mammalian eye, the ‘fovea’ is the center of the visual field, where (a) only rods are present (b) more rods than cones are found (c) high density of cones occur, but has no rods (d) the optic nerve leaves the eye.

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Last Answer : (c) high density of cones occur, but has no rods

The following are true: a. Kirschman's law: the greatest contrast in colour is seen when the luminosity differnece is small b. Emmbert's law: the perceived size of an object varies in proportion to the distance of the surface on which it is projected c. Hering's law: the contraction of a muscle is accompanied by simultaneous and proportional relaxation of the antagonist d. Troxler's phenomenon: an image in the periphery of the retina tends to fade or disappear during steady fixation of another objec

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Last Answer : Troxler's phenomenon: an image in the periphery of the retina tends to fade or disappear during steady fixation of another objec

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Last Answer : only points on the horopter fall on the corresponding retinal point

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How many types of light-sensitive cells are there in the retina ?

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Retina contains this photo sensitive pigment. (A) Rhodopsin (B) Opsin (C) Retinol (D) Malanin

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Which of the following is not the function of a volute casing provided in a centrifugal pump? (A) To reduce the head loss in discharge (B) To increase the pump efficiency (C) To collect liquid from the periphery of the impeller and to transmit it to the delivery pipe at constant velocity (D) To increase the pump discharge rate

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Which of the following statements is incorrect? (A) Minimum cross sectional area of longitudinal reinforcement in a column is 0.8% (B) Spacing of longitudinal bars measured along the periphery of column should not exceed 300 mm (C) Reinforcing bars in a column should not be less than 12 mm in diameter (D) The number of longitudinal bars provided in a circular column should not be less than four

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This type thresher consists of a flywheel with corrugation on its periphery and sides. Rims of flywheel fitted with chopping blades. b. Axial flow c. Dummy d. None of above

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