ch 17 no answers
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
