Which one of the following is the main function of

which one of the following is the main function of renin and aldosterone?
Which one of the following are the main function of renin and angiotension II? A person will have antibodies against any blood antigens different from their own, regardless of whether
they have had a transfusion or not. T or F?
A person with O negative blood has what antigens on their red blood cells?

A test for metal toxicity looks at the amount of metal present in the red blood cell membrane. How long
ago could this metal poisoning have occurred and still be found in the cell membrane?
a few days
a week
a month
3 months
6 months
3 months
After blood clots, the yellowish fluid that escapes from the clot is called Approximately how many oxygen molecules can a single RBC carry?

less than 10
one hundred
one thousand
one million
one billion
one billion
B lymphocytes are associated with
antibody production.
megakaryocyte breakdown.
macrophage production.
antigen production.
allergic reactions.
antibody production.
Blood clotting requires 12 clotting factors and calcium ions (Ca2+) to ensure that plasma and the formed
elements leave the blood vessels. T or F?
Blood clotting requires 6 clotting factors and calcium ions (Ca2+) to ensure that plasma and the formed
elements remain in the blood vessels. T or F?