QUESTION 20 The retinal cells farthest from the source of light entering the eye are the:...
QUESTION 20
-
The retinal cells farthest from the source of light entering the eye are the:
ganglion cells
photoreceptors
bipolar cells
amacrine cells
Homework Answers
Answer : Photoreceptors
Explanation : Photoreceptors are the cells which gives colour to the vision, they are two types of Photoreceptor cells :
1. Rods 2. Cones
These Photoreceptors cells are present in the outer part of the retina, and lies longest from the incoming light. The light passes through the eye and crosses the retinal layer and meets the photoreceptor cells which gives vision.
Incorrect options :
- Ganglion cells
Explanation : Ganglion cells of the retinal cells are closest from the source of light entering in to the eye.
- Bipolar cells
Explanation :
Bipolar cells of the retinal cells are closest from the source of light entering in to the eye.
- Amacrine cells
Explanation : Amacrine cells of the retinal cells are closest from the source of light entering in to the eye.
Add Answer to:
QUESTION 20
The retinal cells farthest from the source of light entering the
eye are the:...
answer questions 2-4 please! 2. Retinitis pigmentosa is a hereditary eye disease characterized by gradual accumulation...
answer questions 2-4 please!
2. Retinitis pigmentosa is a hereditary eye disease characterized by gradual accumulation of excess pigment in the retina, which leads to slow degeneration of photoreceptors, especially rods What symptoms would occur because of rod deterioration? 3. Compare on-center and off-center bipolar and ganglion cells 4. Describe the process of phototransduction by photoreceptors and further retinal processing by bipolar and ganglion cells in the light and dark
Decide if these retinal events occur in the dark or in the light. Rods continuously release...
Decide if these retinal events occur in the dark or in the light. Rods continuously release the neurotransmitter glutamate. Glutamate inhibits the bipolar cells that synapse with the rods. The bipolar cells do not stimulate the ganglion cells. Activated rhodopsin inhibits the product on of glutamate by rods. The bipolar cells stimulate the ganglion cells. Action potentials are transmitted out of the optic nerve.
The Pathways of Light and Visual Information Select from the following terms to fill in the...
The Pathways of Light and Visual Information Select from the following terms to fill in the blanks in the passage below. Use each term once. bipolar cones cornea ganglion optic nerve lens rods retina transduce optic chiasm occipital pupil pattern photoreceptors Light first passes through the _____________, a transparent covering of the eye, then through the _____________, the opening in the iris. Then the light passes through the _____________, which changes shape to focus the light so that it properly...
Festion 14 The blind spot of the mammalian retina: 01. Is only visible when one eye...
Festion 14 The blind spot of the mammalian retina: 01. Is only visible when one eye is closed. oll. Is a region that lacks photoreceptors. Refers to the location where the axons of retinal ganglion cells converge before exiting the eye and projecting towards the o IV. All of the above. O III Moving to the next question prevents changes to this answer.
Light first passes through the _____________, a transparent covering of the eye, then through the _____________,...
Light first passes through the _____________, a transparent covering of the eye, then through the _____________, the opening in the iris. Then the light passes through the _____________, which changes shape to focus the light so that it properly hits the retina. The light travels through the vitreous humor of the eye and then strikes the _____________, layers of cells in the back of the eye. The deepest layer of the retina is made of ____________, of which there are...
16-21 16. The photoreceptors in the retina that detect light ? C c C are horizontal...
16-21
16. The photoreceptors in the retina that detect light ? C c C are horizontal and amacrine cells bipolar cells rods and cones ganglion cells 17. The three types of cone cells absorb . and wavelength of light. red. yellow, bluc C red, blue, yellow red, blue, green red yellow, purple 18. Which structures form a V-shape on the posterior portion of the tongue? vallate papillae C foliate papillae C fangiform papillae 19. Taste receptors are found primarily on...
Explain how information from retinal ganglion cells can be used by neurons in the striate cortex...
Explain how information from retinal ganglion cells can be used by neurons in the striate cortex that function as feature detectors.
Sensory Organ-Eye Light 1"enters Light bends called Suspensory ligaments Shape controlled Participates in Attached to lens...
Sensory Organ-Eye Light 1"enters Light bends called Suspensory ligaments Shape controlled Participates in Attached to lens rods Contraction causes Relaxed causes ught hits this layer 1st Photopigment Can produce an Bipolar cells Brain Most concentrated in A. Corea B. Fovea C. Photopsins D. Photoreceptors E. Cilliary muscle F. Cones G. pupil H. Refraction 1. Ganglia J. Rhodospin K. Retina L. Close vision M. Action potential N. Optic nerve o. Distant vision P. iris
help me Please QUESTION 1 -- A ray of light entering the eye will encounter the...
help me Please
QUESTION 1 -- A ray of light entering the eye will encounter the following structures in which order? conjunctiva - cornea - lens aqueous humor vitreous body - retina vitreous body retina - choroids aqueous humor lens conjunctiva aqueous humor vitreous body - lens - conjunctiva → choroids retina conjunctiva aqueous humor-lens vitreous body retina aqueous humor conjunctiva - lens vitreous body-retina - choroid cornea cornea - cornea cornea - QUESTION 2 An area of the retina...
Problem 3: Intensity from a distant light source (25 points) Consider an isotropic light source that...
Problem 3: Intensity from a distant light source (25 points) Consider an isotropic light source that emits EM radiation with wavelength A and power Po. (Isotropic- uniformly in all directions). In addition, consider a detector with area a, facing the source which is a long distance R away. (a) Derive a formula for the amplitude of the electric field at the detector (b) Derive a formula for the number of photons per unit time that strike the detector. What is...
answer questions 2-4 please!
2. Retinitis pigmentosa is a hereditary eye disease characterized by gradual accumulation of excess pigment in the retina, which leads to slow degeneration of photoreceptors, especially rods What symptoms would occur because of rod deterioration? 3. Compare on-center and off-center bipolar and ganglion cells 4. Describe the process of phototransduction by photoreceptors and further retinal processing by bipolar and ganglion cells in the light and dark
Decide if these retinal events occur in the dark or in the light. Rods continuously release the neurotransmitter glutamate. Glutamate inhibits the bipolar cells that synapse with the rods. The bipolar cells do not stimulate the ganglion cells. Activated rhodopsin inhibits the product on of glutamate by rods. The bipolar cells stimulate the ganglion cells. Action potentials are transmitted out of the optic nerve.
Festion 14 The blind spot of the mammalian retina: 01. Is only visible when one eye is closed. oll. Is a region that lacks photoreceptors. Refers to the location where the axons of retinal ganglion cells converge before exiting the eye and projecting towards the o IV. All of the above. O III Moving to the next question prevents changes to this answer.
16-21
16. The photoreceptors in the retina that detect light ? C c C are horizontal and amacrine cells bipolar cells rods and cones ganglion cells 17. The three types of cone cells absorb . and wavelength of light. red. yellow, bluc C red, blue, yellow red, blue, green red yellow, purple 18. Which structures form a V-shape on the posterior portion of the tongue? vallate papillae C foliate papillae C fangiform papillae 19. Taste receptors are found primarily on...
Sensory Organ-Eye Light 1"enters Light bends called Suspensory ligaments Shape controlled Participates in Attached to lens rods Contraction causes Relaxed causes ught hits this layer 1st Photopigment Can produce an Bipolar cells Brain Most concentrated in A. Corea B. Fovea C. Photopsins D. Photoreceptors E. Cilliary muscle F. Cones G. pupil H. Refraction 1. Ganglia J. Rhodospin K. Retina L. Close vision M. Action potential N. Optic nerve o. Distant vision P. iris
help me Please
QUESTION 1 -- A ray of light entering the eye will encounter the following structures in which order? conjunctiva - cornea - lens aqueous humor vitreous body - retina vitreous body retina - choroids aqueous humor lens conjunctiva aqueous humor vitreous body - lens - conjunctiva → choroids retina conjunctiva aqueous humor-lens vitreous body retina aqueous humor conjunctiva - lens vitreous body-retina - choroid cornea cornea - cornea cornea - QUESTION 2 An area of the retina...
Problem 3: Intensity from a distant light source (25 points) Consider an isotropic light source that emits EM radiation with wavelength A and power Po. (Isotropic- uniformly in all directions). In addition, consider a detector with area a, facing the source which is a long distance R away. (a) Derive a formula for the amplitude of the electric field at the detector (b) Derive a formula for the number of photons per unit time that strike the detector. What is...
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