Extinction _____. only happens above the species level cannot happen to more than one species at a time has happened to over 99% of species that ever lived on earth happens when a species or population dies out.
Medical use. Nivolumab is used as a first line treatment for inoperable or metastatic melanoma in combination with ipilimumab if the cancer does not have a mutation in BRAF, and as a second-line treatment for inoperable or metastatic melanoma following treatment of ipilimumab and, if the cancer has a BRAF mutation, a BRAF inhibitor.
Eculizumab binds to proteins in the blood that can destroy red blood cells in people with genetic conditions that affect the natural defenses of red blood cells. Eculizumab is used to prevent the breakdown of red blood cells in people with paroxysmal nocturnal hemoglobinemia (PNH).Eculizumab is also used to treat a rare chronic blood disease called atypical hemolytic uremic syndrome (aHUS). Eculizumab may also be used for purposes not listed in this medication guide.Eculizumab is used to prevent the breakdown of red blood cells in people with paroxysmal nocturnal hemoglobinemia (PNH). You should not use this medication if you have bacterial meningitis or if you have not been vaccinated against meningitis.Tell your doctor if you have a fever or any type of infection.culizumab is used to prevent the breakdown of red blood cells in people with paroxysmal nocturnal hemoglobinemia (PNH). You should not use this medication if you have bacterial meningitis or if you have not been vaccinated against meningitis. Tell your doctor if you have a fever or any type of infection.