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.
If you have myasthenia gravis, muscle strength will decrease predictably over the course of testing. You may be given certain medications -- edrophonium or neostigmine -- as part of a diagnostic exam. In a patient with myasthenia gravis, these drugs will significantly and noticeably improve muscle strength for a short time. This helps to further confirm the diagnosis.