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Terms in this set (42)
the term ________ refers to the combination of plasma and the formed elements.
fresh whole blood is usually collected through a procedure called
the process of blood clotting is an example of which function of blood
what percentage of plasma is water?
red blood cells result from the divisions of _______, which are multiponent stem cells
in adults, the stem cells responsible for the production of red and white blood cells originate primarily in what part of the body?
the average life span of a red blood cell is
transport oxygen and carbon dioxide
the function of hemoglobin is to
red blood cells
______ are the most abundant cell population of the formed elements of blood
the percentage of whole blood volume occupied by cellular elements is termed the
when large numbers of RBC's break down in the circulation, the urine can turn reddish brown in a condition called
the nucleus is shed along with most other organelles
physical changes to RBC's from reticulocyte to RBC
____ is a condition in which the oxygen carrying capacity of RBCs is reduced
playing a critical role in RBC formation, a woman's iron reserve is ______ percent of a typical man's iron reserve
after 24 hours in circulation, the ______ (immature red blood cells) complete their maturation and become indistinguishable form other mature RBCs
disease characterized by defective hemoglobin from mutation affecting the amino acid sequence of one pair of the globular proteins of the hemoglobin molecule resulting in stiff, markedly curved red blood cells
condition from abnormally levels of high bilirubin in the plasma of the blood
binds carbon, and gets ride of oxygen
as blood flows through peripheral tissues, what occurs regarding the hemoglobin molecules of RBC's?
myloid- erythroblasts-reticulocyte-red blood cell
stages of RBC maturation
through test of seeing which antigens it responds to
determining blood type
AB antigens- both a and b
AB antibodies- neither
type AB blood contains with antigens and antibodies?
monocytes and lymphocytes
two types of agranulocytes
to fight off against foreign cells and prevent sickness
function of white blood cells
most abundant type of white blood cells in a normal blood cells
normal WBC count is ______ per liter
preventing blood loss and forming scab from fibrin
function of platelets
blood clot attached to the wall of a vessel is called
drifting blood clots, air bubbles, or fat globules are called
inherited condition resulting from the inadequate production of clotting factors is termed as______
extrinsic and intrinsic pathways join at the common pathway through the activation of which clotting substance produced by the liver?
pro enzyme that is exposed to oxygen
the intrinsic pathway of coagulation is activated by what chemical signal?
calcium ion and ______ have an effect on nearly every aspect of the clotting process
during fibrinolysis, which enzyme begins digesting the fibrin strands, breaking down the clot?
what is the average amount of RBC's in a drop of human blood ?
1. vascular phase
2. platelet phase
3. coagulation phase
4. fibrin network traps platelets and RBC's
5. platelets contract pulling tissue closer together in clot retraction
five steps of hemostasis and clot removal
to count the number of white/ red cells and platelets
what is a hemocytometer used for
- transport gases/ nutrients/hormones/waste
- regulate ph/ion makeup
-restrict fluid loss at injury site
-defend against pathogens
-stabilize body temp
functions of blood
basophils release histamine, they are very rare and small
what is unique of basophils
term for low levels of oxygen in the body tissue that will signal an increase in red blood cells
when in oxygen, platelets create a thin layer of fibrin( the fibrinogen creates this layer)
what do platelets react with in the blood to aid in scab formation
*antigens and antibodies
too many RBC's present
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