Chapter 18: Blood Test Flashcards
leukemia
over 100,000/uL WBC count
platelets
cell fragments that form from the rupture of a megakaryocyte
antigens
substances that the body recognizes as foreign
what occurs in hemophilia?
a hereditary disease where blood does not coagulate to stop bleeding due to missing proteins
agglutination
the process whereby the binding of antibodies to antigens causes RBCs to clump
type B blood has
b agglutinogens, a agglutinins
which hemostasis phase results in aggregation and the formation of a plug in the breakage area of a blood vessel?
platelet
normal blood pH falls in a range between _____ to ______
7.35-7.45
the average functional lifespan of an RBC is…
120 days
type AB blood has…
A and B antigens, no antibodies
what determines whether someone is labeled “+” or “-“
whether or not they have the Rh/D antigen
hemostasis
the process by which bleeding is stopped
agranulocytes
lymphocytes and monocytes
what is hematocrit
percentage of red blood cells in whole blood
protein responsible for carrying oxygen
hemoglobin
albumins
numerous plasma protein that deals with water balance and transportation of thyroid hormones in the blood stream
which of the following scenarios would result in erythroblastosis fetalis, or at the very least sensitizing the mother?
mother is Rh- and baby is Rh+
the common blood type that contains both A and B agglutinogens is…
AB
plasma is mainly composed of…
water, plasma proteins, and solutes
how do white blood cells differ from red blood cells?
WBCs contain a nucleus and functional organelles, WBCs have repair mechanisms to fix damages, WBCs can move in and out of the blood stream
erythropoietin
hormone that increases red blood cell production