Chapter 19 (19.3-19.7)
what type of blood would cause a cross-reaction when given to a person with type A-positive blood
B-positive
agglutinogens are contained on the ___ whereas the agglutinins are found in the___
cell membrane of the RBC; plasma
In which phase of hemostasis is fibrin deposited, creating a solid blood clot?
coagulation phase
signs of iron-deficiency anemia include
decrease in hematocrit, hemoglobin content, and O2-carrying capacity
what is the specific term for the production of red blood cells
erythropoiesis
which of the following is a notable feature of leukemia
excessive numbers of white blood cells
megakaryocytes are specialized cells of the bone marrow that are responsible for
formation of platelets
what type of chemical are the antigens found on our blood cells?
glycoproteins and glycolipids
which of the following is not a benefit to the unusual shape of the red blood cell
greater hemoglobin carrying capacity
a patient developed an obstruction in his renal arteries that restricted blood flow to his kidneys. what would happen to the formed elements?
hematocrit would increase
which part of hemoglobin binds oxygen
heme
erythropoietin appears in the plasma when peripheral tissues, especially the kidneys are exposed to
low oxygen concentrations
which type of white blood cell includes the b and t cells, which are responsible for humoral and cell-mediated immunity
lymphocyte
platelets are formed from large cells called
megakaryocytes
which type of white blood cell circulates in the blood for about 24 hours before entering the tissues and differentiating into a macrophage
monocyte
what type of white blood cell would you find in the greatest numbers in an infected cut?
neutrophil
if agglutinogen B meets with anti-A what is the result?
no agglutination occurs
what type of blood is a universal donor
o negative
What does the term thrombocytopoiesis mean?
platelet production
what are the "patrol agents" in the blood that defend the body against toxins and pathogens
white blood cells and antibodies
what is jaundice
yellowing of skin and eyes
which blood type can safely be transfused into a person with type O blood
O
During RBC recycling, each heme unit is stripped of its iron and converted to __________.
biliverdin
what is the primary site of erythropoiesis in an adult
bone marrow
which of the following affect almost every aspect of the clotting process
calcium ions and vitamin k
where are red blood cells produced in an adult?
red bone marrow
Which of the following is NOT a function of platelets?
they release chemicals to destroy bacteria
How do basophils respond to an injury?
they release histamine and heparin
a person who was faithfully avoiding eating any fats could have problems with blood clotting. why would blood clotting be affected
they would be deficient in vitamin k
an abnormally low platelet count is called
thrombocytopenia
the primary function of a mature red blood cell is which of the following?
transport of respiratory gases