ch 17

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

5 to 6

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

erythropoietin; kidneys

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

eosinophils.

How does a treatment with anti-Rh antibodies (RhoGAM) prevent hemolytic disease of the newborn (HDN)?

It destroys fetal RBCs that enter the maternal circulation.

The function of hemoglobin is to

carry oxygen.

Define hemostasis. (Module 17.10A)

Hemostasis is the process of stopping bleeding.

Which of the following are the most abundant of the formed elements?

erythrocytes

A cancer involving neutrophils, eosinophils, or basophils is called a

myeloid leukemia.

Whole blood for testing in a clinical laboratory is usually collected from

a superficial vein.

When a person who lives at sea level vacations in the Rocky Mountains, you would expect

All of the answers are correct.

Which of the following is NOT a function of the blood?

generates body temperature

Platelets are pinched off from giant multinucleated cells in the bone marrow called

megakaryocytes.

Hemolytic disease of the newborn may result if

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

Plasma is closest in ionic composition to

interstitial fluid.

A person's blood type is determined largely by the

presence of specific glycoproteins on the cell membrane.

Most of the iron that is removed from degraded hemoglobin is

recycled to red bone marrow.

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

neutrophils

All of the following are components of the cardiovascular system except

lymph vessels.

The normal pH of blood is

slightly alkaline.

The combination of plasma and formed elements is called

whole blood.

Why can't a person with type A blood safely receive blood from a person with type B blood? (Module 17.7D)

A person with type A blood will have anti-B antibodies that will agglutinate with type B blood.

Which of the following is not a function of blood?

produce hormones

Which blood disorder involves a deficiency of Vitamin B12?

pernicious anemia

Formed elements make up about what percentage of blood?

45 percent

The process of red blood cell production is called

erythropoiesis.

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

their blood lacks A or B antibodies.

The most numerous white blood cells in peripheral circulation are the

neutrophils.

Plasma composes about ________ percent of whole blood, and water composes ________ percent of the plasma volume.

55; 92

What is hematology? (Module 17.4A)

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

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

lack of nucleus.

Platelets are

cytoplasmic fragments of large cells.

More than 95 percent of the protein in a red blood cell is

hemoglobin.

The percent fraction of formed elements relative to whole blood is the

hematocrit.

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

neutrophils, eosinophils, basophils, monocytes, and lymphocytes

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

Hemoglobin molecules

Which of these descriptions best matches the term platelets?

adhere to collagen beneath endothelium

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

a gene for adult hemoglobin is abnormal.

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

Anemia

Overall, the most common blood type is

o

A typical adult hematocrit is

higher in males than females.

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

differential count

A person with Type A blood has

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

The most common form of hemolytic disease of the newborn happens after a __________ woman has carried a __________ fetus.

Rh-, Rh+

The average lifespan of a red blood cell is

4 months.

Platelets function in all of the following except

dissolving a formed clot.

An elevated hematocrit value is termed

polycythemia.

Identify the two types of leukemia. (Module 17.11B)

myeloid leukemia and lymphoid leukemia

In adults, the only site of red blood cell production and the primary site of white blood cell formation is

red bone marrow.