Blood Flashcards
Antibodies belong to a class of proteins called
gamma globulins
serum is blood plasma minus its
fibrinogen
the most abundant formed elements seen in most stained blood films are
erythrocytes
heparin and histamine are secreted by
basophils
___ have a finely granular cytoplasm and a nucleus typically divided into three to five lobes
neutrophils
platelets have all of the following functions except ___. a. coagulation b. plugging broken blood vessels c. stimulating vasoconstriction d. transporting oxygen e. recruiting neutrophils
transporting oxygen
which of these is a granulocyte? a. a monocyte b. a lymphocyte c. a macrophage d. an eosinophil e. an erythrocyte
eosinophil
allergies stimulate a rise in ___ count.
eosinophil
anemia is most likely to result from failure of which of these organs?
the kidneys
oxygen binds to the ___ of a hemoglobin molecule
Fe
production of all the formed elements of blood is called ___
hemopoiesis
the percentage of blood volume composed of RBC’s is called the ___
hematocrit
Microglia and Kupffer cells are two kinds of ___
macrophages
An excessively low WBC count is called ___
leukopenia
___ is the fluid that remains if all the formed elements and fibrinogen are removed from the blood.
serum
the overall cessation of bleeding, involving several mechanisms, is called ___
hemostasis
___ results from a mutation that changes one amino acid in each beta chain of the hemoglobin molecule
sickle- cell disease
an excessively high RBC count is called ___
polycythemia
platelets are produced by giant bone marrow cells called ___
megakaryocytes
the kidney hormone ___ stimulates RBC production
erythropoietin
