P. m., aged 4 years, has returned to the family doctor because of a recurrent sore throat and cough. her mother mentions unusual listlessness and anorexia. the physician notices several bruises on her legs and arms and one on her back. the doctor orders blood tests and a course of antibacterial drugs. test results indicate a low hemoglobin level, thrombocytopenia, and a high lymphocyte count, with abnormally high numbers of blast cells. following a bone marrow aspiration, a diagnosis of all is confirmed. describe the pathophysiology of acute lymphoblastic leukemia.

What factors contribute to the effect an environmental toxin has on the human body?

Recently, crops of vegetables such as lettuce and green onions have been contaminated, while they are still on the farm, with bacteria that cause food poisoning. how will science influence the way the government responds to prevent an increase in food-borne diseases? because science has shown that lettuce and green onions are not nutritionally valuable, the government may pass laws that ban the sale of lettuce and green onions. because science has shown that there is no way to prevent bacterial contamination, the government may pass laws that punish businesses that buy lettuce and green onions. because science has shown that the washing of hands prevent the spread of infectious diseases among people, the government may pass laws that require hand washing by everyone who handles food. because science has shown there are ways to find the source of the contamination, the government may pass laws that require farm practices that reduce the contamination of lettuce and green onions.

As scientist had investigated evolution from a variety fields they have found