The nurse can give the client antidepressants such Duloxetine. Even though one is not depressed, one can still take this as this can also alleviate pain. Another medication the client can take is an anti seizure medication. An example of this is Pregabalin. It would prevent nerves from sending pain signals to the brain thus can also help ease the pain of a person suffering from Fibromyalgia.
the amount of matters refers to the mass
I believe it is Nitrogen dioxide
Anatomical or molecular homologous structures