England implemented Clean Air legislation in 1956 which sign…

England implemented Clean Air legislation in 1956 which significantly reduced the air pollutants responsible for darkening the tree trunks in forests outside of London after the Industrial Revolution.  In 1960, the frequency of melanic (dark) moths in the population was 94%.  Dark moths steadily decreased in the population.  A study in 1994 showed only 19% of the population consisted of dark moths.  Which of the following correctly explains this trend in terms of evolution by natural selection?

Please read the following nurses note on a 14 year old clien…

Please read the following nurses note on a 14 year old client with appendicitis. Which of the following actions should the nurse perform first? 0800Heart rate 100bpm,respiratory rate 26bpm. 8 out of 10 pain on numeric scale.0900Heart rate 110bpm, 26 respiratory rate rapid and shallow. 3 out of 10 pain on numeric scale.

A nurse is caring for a child with Rheumatic fever (Rheumati…

A nurse is caring for a child with Rheumatic fever (Rheumatic heart disease). When obtaining the child’s medical history from the parent, the nurse should recognize the significance of which of the following data as the possible source of the child’s infection?