Question 1
Transfusion reactions are the result of antibody reaction to
◦ MHC molecules on red blood cells.
◦ glycolipids and glycoproteins on the surface of red blood cells.
◦ foreign antibodies.
◦ plasma proteins.
◦ MHC molecules on white blood cells.
Question 2
An accident victim receives a blood transfusion. Shortly thereafter, he begins to have difficulty breathing, develops a fever, and experiences nausea and vomiting. Which of the following is the most likely interpretation of these events?
◦
the blood transfusion contained pyrogens.
◦
the blood transfusion was mismatched and the recipient had previously been exposed to the foreign blood group antigens.
◦
the recipient had previously been exposed to foreign blood group antigens.
◦
the blood transfusion was mismatched and contained pyrogens.
◦
the blood transfusion was mismatched.
An example of a homeostatically controlled variable: blood levels of glucose in a human.
Blood pressure cuffs come in various sizes
Blood Cell
Blood-brain barrier
Formation of a blood clot
Blood Oranges