Rods and cones are part of eye. They differ in following way. -Rods are very sensitive to light and can distinguish colors.cones are less sensitive to light and can distinguish color. so correct option i conclude is C.
Myasthenia Gravis: Treatments. 1  Pyridostigmine (Mestinon) is the usual first line treatment for MG. 2  Prednisone and Cyclosporine A are used for long-term immunosuppression when. 3  Further benefit is needed, and. 4  Relatively rapid onset of benefit is desired.
Zebardast N.. al., Rituximab in the management of refractory myasthenia gravis, Muscle Nerve. 2010 Mar;41(3):375-8. Information about MG treatments is of a general nature. It is not intended to be medical opinion, nor is it a substitute for personal professional medical care.