Chapter 11: Problem 20
What is the light-sensitive molecule found in intrinsically photosensitive retinal ganglion cells of mammalian retina? a. Melanopsin b. Transducin c. Rhodopsin d. Cryptochrome e. Peropsin
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Which of the following is the predominant glial cell type in the retina? a. Astrocyte b. Müller cell c. Microglia d. Schwann cell e. RPE cell
Which of the following statements is true about the fovea? a. The fovea contains both rods and cones b. The fovea is the region of the retina where ganglion cell axons exit the eye. c. The fovea is the region of the retina responsible for the highest acuity vision in humans and primates. d. The location of the fovea on the retina is not a fixed anatomical feature but varies with focus. e. At the center of the fovea, light must first pass through ganglion, amacrine, horizontal and bipolar cells before reaching photoreceptor outer segments.
Summarize the enzymatic mechanisms by which phototransduction is terminated after photostimulation.
Upon which chromosome are genes for M cone pigments located? a. X chromosome b. Y chromosome c. Chromosome 3 d. Chromosome 7 e. Chromosome 10
In mammalian retina, which capillary beds supply oxygen to the photoreceptors and which to the remaining parts of the retina?
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