63: The eye (physiology) Quizellenjmchenry2020-03-06T13:16:26-05:00 Please sign up for the course before taking this quiz. Which is larger, the macula or the fovea?1 fovea macula To view things farther away, the lens must become flatter.1 True False Pigmented epithelial cells regenerate when damaged, just like skin cells.1 True False Which of these parts bends light?1 ciliary body cornea retina iris optic nerve Which amino acid to we find functioning as a neurotransmitter at the ends of rods and cones?1 glutathione glycine lysine glutamate Where will you find the highest number of cone cells?1 They are evenly spaced all over the retina. At the outer edges of the retina In the macula Which of these let the rods and cones communicate with each other?1 amacrine cells horizontal cells ganglion cells bipolar cells Which one of these allows us to see at night?1 cones rods Which is smaller, rhodopsin or retinal?1 retinal rhodopsin Which cell part makes a microtubule highway through a narrow passage in the rod and cone cells?1 centrioles Golgi bodies nucleus mitochondria ribosomes Which of these leads right into the optic nerve?1 bipolar cell ganglion cell amacrine cell horizontal cell Which of these is NOT a job that the pigmented epithelial cells do?1 Form a protective barrier so that germs stay out. Absorbs extra photons of light. Nourish the rod and cone cells. Provide a connection between rods and cones so they can cooperate. Prune the tips off the rod and cone cells and recycle them. Which of these parts holds the lens in place?1 cornea aqueous humor canals of Schlemm iris zonules of Zinn When it is dark, the rods are switched on and are releasing neurotransmitters.1 True False You have more rods than cones.1 True False What happens when a photon of light hits the retinal molecule?1 It falls out of the rhodopsin molecule. It loses an electron. It changes shape and becomes straight. It starts an action potential. It regenerates. The retina sees images upside down.1 True False You blind spot is right over your fovea.1 True False What holds the rhodopsin molecule in place?1 phospholipid membrane retinal molecules Golgi bodies cytoskeleton microtubules Which of these is a color that cones don’t respond to?1 red green yellow blue 62: The eye (anatomy) 64: The Brain (part 1) Back to: 63: The eye (physiology)
Please sign up for the course before taking this quiz. Which is larger, the macula or the fovea?1 fovea macula To view things farther away, the lens must become flatter.1 True False Pigmented epithelial cells regenerate when damaged, just like skin cells.1 True False Which of these parts bends light?1 ciliary body cornea retina iris optic nerve Which amino acid to we find functioning as a neurotransmitter at the ends of rods and cones?1 glutathione glycine lysine glutamate Where will you find the highest number of cone cells?1 They are evenly spaced all over the retina. At the outer edges of the retina In the macula Which of these let the rods and cones communicate with each other?1 amacrine cells horizontal cells ganglion cells bipolar cells Which one of these allows us to see at night?1 cones rods Which is smaller, rhodopsin or retinal?1 retinal rhodopsin Which cell part makes a microtubule highway through a narrow passage in the rod and cone cells?1 centrioles Golgi bodies nucleus mitochondria ribosomes Which of these leads right into the optic nerve?1 bipolar cell ganglion cell amacrine cell horizontal cell Which of these is NOT a job that the pigmented epithelial cells do?1 Form a protective barrier so that germs stay out. Absorbs extra photons of light. Nourish the rod and cone cells. Provide a connection between rods and cones so they can cooperate. Prune the tips off the rod and cone cells and recycle them. Which of these parts holds the lens in place?1 cornea aqueous humor canals of Schlemm iris zonules of Zinn When it is dark, the rods are switched on and are releasing neurotransmitters.1 True False You have more rods than cones.1 True False What happens when a photon of light hits the retinal molecule?1 It falls out of the rhodopsin molecule. It loses an electron. It changes shape and becomes straight. It starts an action potential. It regenerates. The retina sees images upside down.1 True False You blind spot is right over your fovea.1 True False What holds the rhodopsin molecule in place?1 phospholipid membrane retinal molecules Golgi bodies cytoskeleton microtubules Which of these is a color that cones don’t respond to?1 red green yellow blue
