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