A client receives morphine sulfate and demonstrates signs of…

A client receives morphine sulfate and demonstrates signs of respiratory depression. The physician orders naloxone (Narcan) to block the effects of the narcotic. When two drugs given concurrently have opposite effects, what kind of pharmacodynamic interactions occur?

A 55-year old man with severe COVID-19 was hospitalized for…

A 55-year old man with severe COVID-19 was hospitalized for right upper abdominal pain and indigestion. Microscopic examination of gall bladder biopsies obtained by presented with the histology shown below. The histopathologic findings indicated below are best described as: