Which of these photoreceptor cells do not match their function? a) rods - night vision b) stavar - sharp-sighted c) drops - color vision d) No answer text provided.
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Which of these photoreceptor cells do not match their function?
a) rods - night vision
b) stavar - sharp-sighted
c) drops - color vision
d) No answer text provided.
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- Macular degeneration is an eye disease that causes loss in the center of the field of vision. In this disease, the cone cells are the photoreceptor cells most affected. Therefore, this is a disorder involving the A) Retina B) Choroid layer C) Ciliary body D) CorneaThe order in which the cells in the eye process light is __________. A) photoreceptors; ganglion cells; bipolar cells B) ganglion cells; bipolar cells; photoreceptors C) photoreceptors; bipolar cells; ganglion cells D) bipolar cells; photoreceptors; ganglion cellsWhich of the following statements about photoreceptors is true? A) There are more rod cells in the fovea of the eye, although overall there are more cones in the human eye. B) All of these options C) Photoreceptors are located near the front of the eye, in the cornea. D) There are two types of photoreceptors, rods and cones, that contain different photopigments.
- please select all correct options In the eye A) contraction of the ciliary muscles decreases the curvature of the lens. B) lateral inhibition by horizontal cells increases visual contrast. C) there are more cones in the fovea of the retina than there are rods. D) the rods take less than three minutes to fully adapt to dim illumination. E) visual acuity is best at the optic disc.Wesley is in a movie theater with no windows—the only light is low illumination from the emergency lights on the floor. Which photoreceptors will be most useful to Wesley as he attempts to leave the theater? A) iris B) rods C) cones D) foveaTaste cells are newly formed throughout life and do not decrease significantly with age. a) False b) True
- Benjamin injured one of his eyes and needs to wear an eye patch over it for the next 6 weeks. He finds it difficult to reach out and grab things, such as the buttons on his shirt, because with the use of only one eye he lacks the depth cue of ______.a) relative sizeb) occlusionc) binocular disparityd) linear perspectiveWhich of the following statements are true regarding the fovea centralis of the eye? A) 100% cones B) 100% rods C) 50% rods and 50% cones D) 0% rods or cones - blind spot E)located in the central portion of the lensRegarding the eye's adaptation to darkness: a) then it happens faster than the eye's light adaptation b) so the pupils contract c) then the amount of rhodopsin increases d) No answer text provided.
- Damage to the right optic nerve would result in what type of visual field deficit? Question 6 options: A) Blindness in the majority of the left visual field (both binocular and monocular) B) Blindness in the majority of the right visual field (both binocular and monocular) C) Blindness in the majority of both monocular visual fields D) Blindness in the binocular visual field E) Blindness in the majority of the right monocular visual field F) Blindness in the majority of the left monocular visual fieldWhen Estella parks her car out in the sun, it might reflect the wavelengths associated with one color, whereas it reflects the wavelengths associated with another color when parked in the shade. Nevertheless, because of color Estella is able to perceive her car as the same color, irrespective of the lighting. a) adjustment b) constancy c) adaptation d) perspective1. Vitreous humor is found in the anterior cavity: A) True B) False 2. Select all that apply when your eye is focused on something across the room: A) suspensory ligaments loosen B) the lens is more flat C) the lens is more convex (bulged in the center) D) suspensory ligaments are taut E) ciliary muscle contracts F) ciliary muscle relaxes 3. Which list includes 3 structures of the outer ear? A) A membrane that transmits sound waves B) Pinna, Tympanic Membrane, Auditory Canal C) Auricle, Pinna, Semicircular Canals D) Incus, Vestibulocochlear Nerve, Auditory Canal E) Oval Window, Round Window, Semicircular Canals F) Malleus, Incus, Stapes