Question

1. Hemoglobin is the molecule that floats around in blood andcarries oxygen molecules to the tissues in your body.

True or false: Oxygen binds to the iron in the hemoglobinmolecule.

Select one:

True

False

2. Hemolytic disease of the newborn can happen during a woman'sfirst pregnancy where the mother is Rh- and the fetus is Rh+.

Select one:

True

False

3. Leukemia is cancer of the white blood cell. It is the resultof an abnormal white blood cell multiplying uncontrollably. Why isit so letal? Because it takes over the red bone marrow and doesn'tallow normal red blood cells, white blood cells and platelets toform.

True or false:

Without enough red blood cells, you can't bring oxygen to thetissues in your body.

Without enough platelets, you won't be able to form clots, forinstance, to stop you from bleeding when you get a cut.

Without enough normal white blood cells, you cannot fightinfections properly.

Select one:

True

False

4. The neutrophil is the first white blood cell to arrive at thesite of an infection.

Select one:

True

False

5. Blood clots serve to stop a person from bleeding, forinstance, when they get a cut (a blood vessel is broken open). Whena blood clot forms in an unbroken blood vessel, it is called anembolus; when the embolus breaks free from the wall of that bloodvessel, it is called a thrombus.

Select one:

True

False