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 +1  (nbme19#38)

The right eye's efferent nerves are working, as left eye stimulation causes a change in the right eye. The right eye optic n. damage causes it's afferent n. to be damaged. It can't carry info to brain, so right and left eye can't constrict to light.


 +1  (nbme19#17)

If a germ cell or somatic cell had the original mutation, then there's an increased risk for cancer in other parts of the body too. If only retinal cells in one eye is mutated, only that one eye is at risk for cancer.


 +1  (nbme19#11)

After the CD4+ cells become infected, the CD8+ cells kill them.