Anatomy Chapter 19
You are caring for an adult patient who weighs 48kg. What would her approximate blood volume be
E. 3.8L
An infected wound contains typically contains
E. all of the answers are correct
In adults, red bone marrow is located in the
E. all of the answers are correct
The yellow color that is visible in the eyes and skin in jaundice results from
E. all of the answers are correct
Which of the following is a function of the blood
E. all of the answers are correct
Which of the following is true of basophils
E. all of the answers are correct
Which of the following is true of eosinophils
E. all of the answers are correct
The function of red blood cells is to
E. carry oxygen to the cells and then carry away carbon dioxide
Platelets are
E. cytoplasmic fragments of large cells
Which of these proteins functions to store or transport iron
E. ferritin, hemosiderin, and transferrin
Excess iron is stored in the liver and spleen as
E. hemosiderin and ferritin
Mary tested for the amount of hemoglobin in her blood. The test results indicate that her hemoglobin level is 16 g/dL of blood. This value indicates that
E. her hemoglobin level is normal
Plasma is closest in composition to
E. interstitial fluid
Which organ secretes most of the plasma proteins
E. liver
The blood cells involved in specific immunity are the
E. lymphocytes
_____ are large phagocytic white cells that spend most of their time outside the blood as fixed and free phagocytic cells
E. monocytes
______ are immature erythrocytes that are present in the circulation
E. reticulocytes
Aged and damaged erythrocytes are broken down by macrophages in the
E. spleen, liver, and bone marrow
Plasma composes about _______ percent of whole blood and water composes ____ percent of the plasma volume
A. 55;92
Which of the following is not true of monocytes
A. about same size as basophils
Which of these descriptions best matches the function of platelets
A. adhere to collagen beneath endothelium
After donating .5 liters of blood, one would expect
A. an increased reticulocyte count
The function of hemoglobin is to
A. carry dissolved blood gasses
Eosinophils function in
A. destroying antibody-labeled antigens
A person who has low blood volume is said to be
A. hypovolemic
Which of the following is not true of neutrophils?
A. less abundant than lymphocytes
Transferrin is an example of which kind of plasma protein
A. metalloprotein
If bile ducts are blocked
A. more bilirubin appears in the plasma
A patient has an infected puncture wound to her foot. Which type of white blood cell would you expect to be elevated in a differential white cell count
A. neutrophils
During a bacterial infection you would expect to see increased numbers of
A. neutrophils
The most numerous white blood cells in peripheral circulation are the
A. neutrophils
Which of the following blood count values would be a sign of anemia
B. 3.5 million RBC
Which of the following statements about blood is false
B. The normal pH of blood is 6.8 to 7.0
The intrinsic pathway of coagulation is activated by the
B. activation of Factor XII exposed to collagen
Antigens of the surface of red blood cells are also called ______ and antibodies in the blood plasma are also called ______
B. agglutinogens; agglutinins
In which of the following situations would you expect the blood level of bilirubin to be elevated
B. an alcoholic with a damaged liver
Which of these descriptions best matches the term T lymphocytes
B. are involved in cell mediated immunity
A substance that activates plasminogen might be useful to
B. causes clot dissolution to proceed faster
White blood cells that are increased in allergic individuals are the
B. eosinophils
A plasma protein essential for blood coagulation is
B. fibrinogen
Plasma thromboplastin is a factor in the ________ pathway.
B. intrinsic
Non-specific immunity, such as phagocytosis, is a function of which blood cells
B. neutrophils, eosinophils, and monocytes
A red blood cell that contains normal amounts of hemoglobin would be called
B. normochromic
Surgical removal of the stomach could cause
B. pernicious anemia
The enzyme that can digest fibrin and dissolve a clot is
B. plasmin
The function of platelets is to assist in the
B. process called homeostasis
The developmental stage at which erythrocytes enter the circulation is as
B. reticulocytes
A bruise appears as a greenish spot in the skin because
B. the heme group in the hemoglobin has broken down into biliverdin
The process of lymphopoiesis goes on in all of the following organs, except
B. the kidney
People with type AB blood are considered the "universal recipient" for transfusions because
B. their blood lacks A or B agglutinins
Each of the following is a characteristic of whole blood, except a
B. viscosity about the same as water
The most numerous WBCs in a differential count of a healthy individual are
BA. neutrophils
The total volume of blood in the body of a 76-kg man is approximately _______ liters
C. 5.3
The disease sickle cell anemia is an example of what can happen if
C. a gene for adult hemoglobin is abnormal
Whole blood for testing in a clinical laboratory is usually collected from
C. a superficial vein
The most abundant proteins in the blood plasma are
C. albumins
When checking the efficiency of gas exchange, it may be necessary to draw a blood sample from
C. an artery
______ is a condition in which the oxygen-carrying capacity of the blood is reduced
C. anemia
Which of these is not one of the formed elements of blood
C. antibodies
White blood cells that release histamine at the site of an injury are
C. basophils
Erythropoiesis is stimulated when
C. blood flow to the kidney declines
The process of fibrinolysis
C. dissolves clots
Red blood cell production is regulated by the hormone
C. erythropoietin
A hematocrit provides information on
C. formed elements abundance
Each hemoglobin molecule contains
C. four iron atoms
The waste product bilirubin is produced from
C. heme molecules lacking iron
Some rat poisons contain a toxin that blocks the liver's ability to utilize vitamin K. Animals that consume this poison would die of
C. hemmorage
More than 95 percent of the protein in a red blood cell is
C. hemoglobin
Which of these descriptions best matches the term colony stimulating factor
C. hormone that regulates blood cell formation
Thyroid-binding globulin is an example of which kind of plasma protein
C. hormone-binding
Plasma proteins essential in body defense are the
C. immunoglobulins
An obstruction of blood flow to the kidneys would ultimately result in
C. increased erythropoiesis
Each heme ring in hemoglobin encloses an atom of
C. iron
Platelets are pinched off from giant multinucleated cells in the bone marrow called
C. megakaryocytic
Which of these descriptions best matches the term B lymphocytes
C. produce antibodies in response to antigens
In adults, erythropoiesis exclusively takes place in
C. red bone marrow
Which of the following statements concerning red blood cells is false
C. red cells are about 18 um in diameter
The extrinsic pathway of coagulation is initiated by the
C. release of tissue factor by damaged endothelium
Which of the following would you expect to see in increased numbers in a peripheral blood sample after donating a unit of blood
C. reticulocytes
Most of the protein factors that are required for clotting are synthesized by
C. the liver
In case of hemorrhage, platelets are stored as a reserve in
C. the spleen
The combination of plasma and formed elements is called
C. whole blood
A typical adult hematocrit is
D. 45
Formed elements make up about what percentage of blood
D. 45 percent
Which plasma protein transports fatty acids and some hormones
D. albumin
Blood type is identified primarily by
D. both the ABO and Rh blood groups
________ involves a cascade of reactions leading to the conversion of fibrinogen to fibrin
D. coagulation
The chief difference between plasma and interstitial fluid involves the
D. concentration of proteins
The common pathway of coagulation begins with the
D. conversion of Factor X to prothrombinase
The level of erythropoietin in the blood would rise due to all of the following, except
D. during periods of fasting
The process of red blood cell production is called
D. erythropoiesis
The percent fraction of formed elements relative to whole blood is the
D. hematocrit
All of the following are true of neutrophils, except that they are
D. important in coagulation
Pernicious anemia caused by a lack of intrinsic factor is specifically treated by
D. injections of vitamin B12
A persons blood type is determined largely by the
D. presence of specific glycoproteins on the cell membrane
Most of the iron that is removed from degraded hemoglobin is
D. recycled to the red bone marrow
All the circulating red blood cells in an adult originate in the
D. red bone marrow
Granulocytes form in
D. red bone marrow
In adults, the only site of red blood cell production, and the primary site of white blood cell formation, is the
D. red bone marrow
A person whose platelet count is 40,000/µl is suffering from
D. thrombocytopnia