Hemostasis
When you injure a vessel what is the first action the body takes?
Vasospasm
What component of erythrocytes carries oxygen?
hemoglobin
What tissue produces blood cells?
red bone marrow
Does an Rh- mother pregnant with an Rh+ fetus pose a risk for erythroblastosis fetalis?
Yes, if this is the second Rh+ pregnancy
What initiates the intrinsic pathway?
Platelets release factor 12 (XII)
You are typing some blood. When you add anti-A antibodies nothing happens. When you add anti-B antibodies nothing happens. What is the blood type?
Type O
What type of white blood cell responds quickly, especially to bacterial infections?
neutrophils
Which type of blood will naturally have anti-A antibodies?
Type B and type O
What is the beginning of the common pathway?
Activation of factor 10 (X)
Which plasma protein is the most abundant and functions is transport?
albumins
Which formed element is important for attacking parasites that are too large to phagocytose and responds to allergens?
Eosinophils
Reduced oxygen carrying capacity of blood causing symptoms such as shortness of breath and lethargy.
Anemia
What does thrombin do?
Activates fibrinogen to fibrin.
Blood cells come from ______________ stem cells in red bone marrow called __________________.
pleuripotent; hemocytoblast
Which formed elements are granulocytes?
neutrophils, basophils, eosinophils
What antigens will be present on RBCs of someone with type A blood?
A antigens
What factors are involved in the extrinsic pathway?
Factors 7 (VII) and 3 (III)
What is the normal pH range of blood?
7.35-7.45 (slightly basic)
An excess of red blood cells describes what condition?
polycythemia
Low white blood cell count is called:
Leukopenia