Exam 17: Blood

The immediate response to blood vessel injury is clotting.

When neither anti-A serum nor anti-B serum clot on a blood plate with donor blood, the blood is type_________ .

What determines whether blood is bright red or a dull, dark red?

Fred's blood was determined to be AB positive. What does this mean?

If you centrifuge (spin) whole blood, you will find the red blood cells (erythrocytes) at the bottom of the tube and white blood cells atop them. This implies that_________ .

Which blood type is generally called the universal donor?

Why would there be cause for concern if a young pregnant mother is Rh-, her husband is Rh+, and this is their second child?

What organ in the body regulates erythrocyte production?

What is the buffy coat found in centrifuged whole blood?

A patient complains of no energy, a chronic sore throat, a low-grade fever, and is tired and achy. His doctor notes an enlarged spleen upon examination. What diagnosis would you expect and what definitive test would you request?

List the most common causes of bleeding disorders.

A mismatch of blood types during a transfusion is dangerous because _________.

When monocytes migrate into the interstitial spaces to fight infection, they change to a different type of cell called __________.

Why is iron not stored or transported in its free form? In what form(s) is it stored or transported in blood?

Diapedesis is the process by which red blood cells move into tissue spaces from the interior of blood capillaries.

Higher viscosity of blood will increase the amount of stress placed on the heart while it is pumping. Viscosity of blood is highest when _________.

Which of the following might trigger erythropoiesis?

Why are the two pathways of blood clotting referred to as the extrinsic and intrinsic pathways?

Which is NOT true of leukocytes?

When diagnosing an iron deficiency one of the first tests is a red blood cell count. Why is this so?