Quiz topic 1 (Cardiovascular system: Blood)
An increased amount of heparin in the blood might
Prevent the clotting process.
Which of the is NOT a consequence of sickle-cell anemia
Sickles-shaped red blood cells are less likely to
The hematocrit is
The percentage of RBC's in a given volume of blood
Why would a person have anti-Rh antibodies present in their blood
an Rh-negative woman is carrying an Rh-positive fetus.
The plasma component that forms fibrin, the insoluble protein, in a blood clot is
fibrinogen
A person with type B blood
has anti-A antibodies
Which of the following phrases is least likely to be used in describing erythrocytes
nucleus is centrally located
For a person whose hematocrit is 45%, in which choice below are the components of blood correctly ranked in order of decreasing percent volume?
plasma, RBCs, WBCs
RhoGam injections are given to
prevent sensitization of the mother.
Red blood cells will develop from
proerythroblasts
If a blood buffer is absent, what function of the blood would be compromised?
regulation of pH
An increase in hemoglobin increases
the ability of the blood to carry oxygen to various tissues.
Agglutination of red blood cells means
they clump together
Each hemoglobin molecule
transports four oxygen molecules
What protein forms a bridge between exposed vessel wall collagen and platelet surface receptors
von Willebrand factor
Blood is a type of _______ tissue.
connective
A severely dehydrated patient begins to experience the formation of random blood clots. Why is this happening?
Dehydration leads to a concentration of clotting factors which triggers the intrinsic mechanism of coagulation
When the antigens on erythrocytes bind with antibodies in the plasma
agglutination of erythrocytes occurs.
When defective erythrocytes are broken down,
bilirubin is formed from the breakdown of hemoglobin
Which of the following is (are) associated with decreased hematopoiesis
both vitamin B12 deficiency and iron deficiency anemia
