ch 17 no answers

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Each of the following is a way that blood transports materials around the body except

carbon dioxide from the lungs to the tissues.

The ________ is a procedure that is used to determine the number of each of the various types of white blood cells.

differential count

The process of fibrinolysis

dissolves clots.

Platelets function in all of the following except

dissolving a formed clot.

White blood cells that are increased in individuals with allergic reactions are the

eosinophils

The process of red blood cell production is called

erythropoiesis.

A plasma protein essential for blood coagulation is

fibrinogen

Each hemoglobin molecule contains

four iron ions.

________ involves a cascade of reactions leading to the conversion of fibrinogen to fibrin.

Coagulation

What is hematology? (Module 17.4A)

Hematology is the study of blood, blood-producing organs, and blood disorders.

Overall, the most common blood type is

O

Compare oxyhemoglobin with deoxyhemoglobin. (Module 17.5C)

Oxyhemoglobin is hemoglobin whose iron has bound oxygen. Deoxyhemoglobin is hemoglobin whose iron has not bound oxygen.

The ________ is a procedure that is used to determine the number of mature erythrocytes.

RBC count

The most abundant proteins in blood plasma are

albumins

Pernicious anemia caused by a lack of intrinsic factor is specifically treated by

injections of vitamin B12.

________ are large phagocytic white cells that spend most of their time outside the blood as fixed and free phagocytic cells.

monocytes

The most numerous white blood cells in peripheral circulation are the

neutrophils

Identify the five types of white blood cells. (Module 17.9A)

neutrophils, eosinophils, basophils, monocytes, and lymphocytes

During a bacterial infection you would expect to see increased numbers of

neutrophils.

All the circulating red blood cells originate in the

red bone marrow

The most abundant component of plasma is

water

The combination of plasma and formed elements is called

whole blood

Formed elements make up about what percentage of blood?

45 percent

The total volume of blood in the body of an adult male is approximately ________ liters.

5 to 6

________ is a condition in which the oxygen-carrying capacity of the blood is reduced.

Anemia

________ transport(s) oxygen and CO2 in the RBCs.

Hemoglobin molecules

Define hemostasis. (Module 17.10A)

Hemostasis is the process of stopping bleeding.

Which of the following vitamins is needed for the formation of clotting factors?

K

Which blood type(s) can be safely transfused into a person with type O- blood? (Module 17.7C)

They can receive only O- blood.

The disease sickle cell anemia is an example of what can happen if

a gene for adult hemoglobin is abnormal.

Hemolytic disease of the newborn may result if

an Rh-negative mother carries an Rh-positive fetus.

A person with Type A blood has

antigen A on the RBCs and anti-B antibodies in the plasma.

White blood cells that release histamine at the site of an injury are

basophils

Platelets are

cytoplasmic fragments of large cells.

Which of these descriptions best matches the term lymphocytes?

defend against specific pathogens or toxins

Which specific plasma proteins would you expect to be elevated during an infection? (Module 17.2C)

immunoglobulins

Plasma proteins essential in body defense are the

immunoglobulins.

Aged and damaged erythrocytes are broken down by macrophages in all of the following places except the

kidney

RBCs typically live about 120 days. The main reason for this short lifespan in RBCs is their

lack of nucleus.

Which organ secretes most of the plasma proteins?

liver

All of the following are components of the cardiovascular system except

lymph vessels

Which of the following is not a function of blood?

produce hormones

A condition where pathogens are present and multiplying in the blood is called

septicemia.

The process of white blood cell production and maturation goes on in all of the following except

the kidney

People with type AB blood are considered the "universal recipient" for transfusions because

their blood lacks A or B antibodies.

In which of the following would you expect the blood level of bilirubin to be elevated?

both a person suffering from hemolysis and an alcoholic with a damaged liver

Red blood cell production is regulated by the hormone ________ which is mostly produced in the ________.

erythropoietin; kidneys


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