chp 19 chp 20

A person with an increased eosinophil count might be suffering from

an allergic reaction.

When stimulated by erythropoietin to produce red blood cells, the hemocytoblast deliver these new cells in

4 days

Choose the arrangement that lists the chemicals in the order in which they would be used for coagulation

4, 3, 1, 2

Each erythrocyte carries how many oxygen atoms?

1 billion

The heart lies between the lungs in a region called the

mediastinum.

Macrophages are derived from

monocytes

The pale yellow fluid that makes up about 55% of blood volume is

plasma

Jaundice is a buildup of __________ in the circulation and interstitial spaces.

bilirubin

Jaundice is associated with plasma and interstitial space buildup of

bilirubin

When a person develops a sore throat, white blood cells are drawn to the area of infection by a process called

chemotaxis.

The cascade of events in the intrinsic pathway can be set into motion when _____ comes into contact with collagen.

factor XII

The cellular components of blood, representing 45% of blood volume are called

formed elements

Stem cells

give rise to formed elements in the blood.

Which of these components of hemoglobin is correctly matched with its fate following the destruction of an erythrocyte?

globin -- broken down into amino acids

The study of blood is called

hematology

0 / 1 point The stem cell capable of dividing to produce any formed element cell line is the

hemocytoblast

The function of plasmin is to

hydrolyze fibrin.

The heart

is a four-chambered muscular pump.

Heparin

is a potent anticoagulant.

plasma

is the liquid matrix of the blood.

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

lymphocytes - become macrophages

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

platelets begin to stick to each other and form a plug.

Hemolysis is rupture of

red blood cells

Which of these conditions occur in a normal individual living at a high altitude?

secondary polycythemia

The liquid material remaining after blood-clotting proteins have been removed as a result of clotting is called

serum

An increased amount of heparin in the blood might

slow down the clotting process.

Cells in the red bone marrow that give rise to all the formed elements of the blood are called

stem cells

The great veins and arteries are connected to the heart at the

superiorly located base.

The major component of plasma is

water

The process of erythropoiesis

both b and d

In the adult, hematopoiesis takes place in red bone marrow found in the

all are true

Which of the following characterize the connective tissue components of blood

all are true

Which of the following is/are true of the heart?

all are true

Platelets

all of the above

Which of the following functions is associated with the blood

delivery of oxygen to tissue cells

Which of the following statements regarding leukocytes is true?

Leukocytes are the largest of the formed elements.

__________ are the smallest leukocytes; some produce antibodies.

Lymphocytes

__________ are phagocytic, have a multilobed nucleus, and make up the largest percentage of leukocytes.

Neutrophils

If your son is diagnosed with hemophilia, he would have

a disorder of the clotting process.

Increased number of reticulocytes in circulating blood indicates

erythropoiesis

Arrange the following events of coagulation in proper sequence

3, 4, 1, 2

Which of the following plasma proteins is most abundant

albumin

Functions of blood include

all are true

Blood vessels enter and exit from the _____ of the heart.

base

Hematopoiesis is the process of

blood cell production

Fibrinolysis is responsible for

clot dissolution.

Which of the following is a stage of hemostasis?

coagulation.

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

fibrinogen

Red blood cells, white blood cells and platelets are all

formed elements

Plasma

is a colloidal solution

Old, damaged, or defective erythrocytes are removed from the blood by

macrophages.

Which of the following is an agranulocyte?

monocyte

Functions of plasma proteins include

regulation of osmotic pressure

In the extrinsic pathway, damaged tissues release

tissue factor (TF).

Each hemoglobin molecule has __________ heme group(s) and __________ globin molecule(s).

4,4

Arrange the following five events in the order they occur as erythrocytes are broken down

5,3,4,1,2

The PMI is located

5th intercoastal space, 7.5 cms to the left of the midline.

Which of the formed elements are correctly matched with its alternate name

All are correctly matched

Anemia may result from a

decrease in the number of RBCs

Which of these descriptions of the heart's location is correct?

The heart lies obliquely in the mediastinum.

The biconcave shape of a red blood cell allows this cell to

a& b are true

These leukocytes produce heparin and histamine; they play a role in inflammatory and allergic reactions.

basophils

Blood is more viscous than water. This is because it

becomes more dense when cells are added

Which of the following events is one of the three main stages of coagulation?

conversion of fibrinogen to fibrin

The ability of white blood cells to leave the circulation and enter tissues is called

diapedesis.

Which of these areas does NOT contain red marrow in the adult?

distal femur

Plasma is considered a colloid because it contains suspended substances that

dont settle out in a solution

These leukocytes produce enzymes that reduce the inflammatory response and are associated with allergies or parasitic infections.

eosinophils

The most numerous formed element is the

erythrocyte

Lack of cytoplasmic organelles is important to red blood cells because

more space is available to carry hemoblobin

The most numerous of the leukocytes is the

neutrophil.

Which leukocyte's main function is phagocytosis; these are the first cells to respond?

neutrophils

Where is oxygen attached on a hemoglobin molecule?

on the iron attached to the heme

During platelet plug formation,

platelets stick to the exposed collagen fibers of injured vessels.

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

protection

What makes blood an unusual connective tissue is

the highly fluid nature of its extracellular matrix and the lack of fibers there

Plasma is ____ while formed elements are ____.

the liquid portion of blood; the cells