a 4 year old boy is brought to your clinic by a mother who recently immigrated to the united states. she states that they have been poor for a long time and although they eat almost every day, most of...

a 4 year old boy is brought to your clinic by a mother who recently immigrated to the united states. she states that they have been poor for a long time and although they eat almost every day, most of their meals consist of rice and potatoes. physical exam of the boy shows that he is very emacited, but with a prominent abdomen. an ultrasound confirms that his abdomen( peritoneal cavity) is filled with fluid. the pateint's abdominal edema is caused by a decrease in which of the following?

A. glucose

B. albumin

C. antibodies

D. clotting proteins