Blood quiz

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

When a blood vessel is damaged, which of the following events occurs last?

Platelets begin to stick to each other and form a plug

RhoGam injections are given to

Prevent sensitization of the mother

Myeloid hemopoiesis in adults happens in the

Red bone marrow

A person with an increased eosinophil count might be suffering from

an allergic reaction

Which of the following functions is associated with the blood?

delivery of oxygen to tissue cells

Type AB blood

has both A and B antigens on the red cells.

The antibodies that circulate in the plasma are made by

B lymphocytes or plasma cells, which are part of the immune system

Blood does not

Produce plasma hormones

A blood clot that forms when a blood vessel is cut is an example of blood functioning in

Protection

_________ is more likely to cause anemia than any of the other factors

Renal insufficiency

Which of the following cell types is an immature red blood cell?

Reticulocyte

Platelets release ____________, a chemical vasoconstrictor that contributes to the vascular spasm.

Serotonin

Each hemoglobin molecule

Transports 4 oxygen molecules

A person with type O blood should receive a blood transfusion from a donor with

Type O blood

The main reason why an individual AB, Rh-negative cannot donate blood to an individual A, Rh-positive is because

anti-B antibodies in the recipient will agglutinate RBCs of the donor

The condition characterized by overproduction of erythrocytes is called

erythrocytosis

The plasma component that forms fibrin, the insoluble protein, in a blood clot is

fibrinogen

Stem cells

give rise to formed elements in the blood

A person with type B blood

has antibody A

Iron is needed to produce

hemoglobin

Each body function on the left is correctly matched with the corresponding function of the blood on the right EXCEPT

immune function - platelet factors initiate coagulation

A deficiency of which of the following stem cells would result in a marked increase in the clotting time of blood?

megakaryoblast

When large quantities of blood are lost, erythrocytes must be replaced to restore

oxygen-carrying capacity.

During platelet plug formation

platelets stick to the exposed collagen fibers of injured vessels.

Functions of plasma proteins include

regulation of osmotic pressure

An increased amount of heparin in the blood might

slow down the clotting process

When a person is transfused with the wrong blood type,

the erythrocytes agglutinate

Plasma is ____ while formed elements are ____.

the liquid portion of blood; the cells

Mr. Smith moved from a low altitude to a high altitude and experienced an increase in RBCs. Which of the following caused this increase?

the lower oxygen concentration seen at higher altitudes

All of these prevent the spontaneous formation of a clot except

the presence of tissue thromboplastin

A blood clot attached to a blood vessel wall is called a(an)

thrombus

Hemoglobin

transports oxygen in the blood

Which of the following is (are) associated with decreased hematopoiesis?

both vitamin B12 deficiency and iron deficiency anemia

_____________ is not found in plasma

Glyocogen

___________ is a protein not commonly found in plasma

Hemoglobin

The function of plasmin is to

Hydrolyze fibrin

Which of the following would lead to increased erythropoiesis?

Increased erythropoietin levels

Macrophages are derived from

Monocytes

In which of the following situations might Rh incompatibility develop?

Mother is Rh negative; fetus is Rh positive

Which of the following is a stage of hemostasis?

coagulation

Mature erythrocytes

contain hemoglobin in their cytoplasm

All these can lead to polycythemia except

Iron deficiency

The only formed elements that possess a nucleus when mature are the

Leukocytes

Which of the following statements regarding leukocytes is TRUE?

Leukocytes are the largest of the formed elements.

The most numerous of the leukocytes is the

Neutrophil

Differential count of ______________ typically increases in response to bacterial infections.

Neutrophils

Bilirubin

may build up in the circulation and cause jaundice

Hematocrit is _______ of the total blood volume

37% to 52%

These are the least abundant formed elements

Basophils

Which of the following plasma proteins is most abundant?

albumin

The buffy coat does not contain

erythrocytes

Which of the following cell types is incorrectly matched with its description?

lymphocytes- become macrophages

Which of the following is an agranulocyte?

monocyte

The hematocrit is

the percentage of RBCs in a given volume of blood.

Type A blood can safely donate RBCs to _____________ and can receive RBCs of type ___________.

AB; O

In the platelet release reaction

ADP and thromboxanes stimulate other platelets to become activated

In adults, red blood cells are made in one place, spend most of their lifespan in another, and most are finally destroyed in yet another place. Which choice lists these locations in the correct chronological order?

Bone marrow, blood vessels, spleen

All these can cause leukopenia except

Dehydration

The viscosity of blood is due more to _____________ than to any other factor

Erythrocytes

Which of the following formed elements do not have chromosomes?

Erythrocytes and reticulocytes

_____________ would not decrease colloid osmotic pressure (COP) in blood.

a diet predominantly based on red meat

If your son is diagnosed with hemophilia, he would have

a disorder of the clotting process

The structural framework of the blood clot is formed by

a fibrin polymer

When the antigens on erythrocytes bind with antibodies in the plasma

agglutination of erythrocytes occurs

In hemolytic disease of the newborn

antibodies from the mother cross the placenta and affect the fetus

When defective erythrocytes are broken down

bilirubin is formed from the breakdown of hemoglobin

Agglutination of red blood cells means they

clump together

Randolf was suffering from severe hepatitis. His skin appeared to be jaundiced. That color change was due to

increased bilirubin in his circulatory system

Aspirin inhibits platelet plug formation by

interfering with the synthesis of prostaglandins

Heparin

is a potent anticoagulant

Plasma

is the liquid matrix of the blood

The only formed elements that possess a nucleus when mature are the

leukocytes