Pearson Study (BLOOD)
If agglutinogen B meets with agglutinin anti-A, what is the result?
No agglutination occurs.
Because the concentration of dissolved gases is different between the plasma and the tissue fluid __________.
O2 will tend to diffuse from the plasma to the interstitial fluid, and CO2 will tend to diffuse in the opposite direction
Which of the following is NOT one of the formed elements? erythrocytes platelets plasma leukocytes
Plasma
Rh surface antigen, no antibodies
Rh Positive
How is it that liver disorders can alter the composition and functional properties of the blood?
The liver is the primary source of plasma proteins.
What occurs in hemolytic disease of the newborn?
The mother's agglutinins cross the placental barrier and destroy fetal red blood cells
The rate of megakaryocyte activity and platelet formation is regulated by __________.
Thrombopoietin interleukin-6 multi-CSF
surface antigen A and anti-B antibodies
Type A
surface antigens A and B, no antibodies
Type AB
surface antigen B and anti-A antibodies
Type B
no surface antigens, anti-A and anti-B antibodies
Type O
In which phase of hemostasis does local contraction of the injured blood vessel occur?
Vascular phase
The major effect of vitamin K deficiency in the body is that it leads to __________.
a breakdown of the common pathway, inactivating the clotting system
Clot destruction involves a process that begins with __________.
activation of the proenzyme plasminogen, which initiates the production of plasmin
Which type of plasma protein serves as a carrier for the hormones T3 and T4?
albumins
The binding of a heme unit's iron ion to an oxygen ion __________. forms oxyhemoglobin will be broken when oxygen reaches systemic tissues, so that oxygen can enter body cells is a reversible binding All of the listed responses are correct.
all
When plasma O2 concentrations are falling, the rising plasma CO2 binds to the __________ of the hemoglobin molecule.
alpha and beta chains
The number of eosinophils increases dramatically during __________.
an allergic reaction or a parasitic infection
If you have type A blood, your plasma holds circulating __________ that will attack __________ erythrocytes.
anti-B agglutinins; type B
To check the efficiency of gas exchange at the lungs, blood may be required via __________.
arterial puncture
When stimulated, release histamine and heparin
basophil
During RBC recycling, each heme unit is stripped of its iron and converted to __________.
biliverdin
The process in which packed RBCs that were previously removed are reintroduced before an athletic event is called __________.
blood doping
What are the major components of the cardiovascular system?
blood, heart, and blood vessels
Agglutinogens are contained on the __________, whereas the agglutinins are found in the __________.
cell membrane of the RBC; plasma
In which phase of hemostasis is fibrin deposited, creating a solid blood clot?
coagulation phase
Signs of iron deficiency anemia include __________.
decrease in hematocrit, hemoglobin content, and O2-carrying capacity
Which of the following is NOT a component of plasma? antibodies elastic fibers organic wastes dissolved proteins
elastic fibers
In addition to water and proteins, what else is part of plasma?
electrolytes, nutrients, and organic wastes
Attack objects coated with antibodies.
eosinophil
Which of the following types of white blood cells are involved in fighting parasitic infections, such as flukes and roundworms?
eosinophils
Which types of white blood cells are involved in fighting parasitic infections, such as flukes and roundworms?
eosinophils
Reticulocytes are nucleated immature cells that develop into mature __________.
erythrocytes
Which blood cells are the most abundant?
erythrocytes
What is the specific term for the production of red blood cells?
erythropoiesis
It is an illegal practice for Olympic competitors to receive doses of which hormone, which stimulates the production of red blood cells?
erythropoietin
What is a notable feature of leukemia?
excessive numbers of white blood cells
The iron extracted from heme molecules during hemoglobin recycling is stored in the protein-iron complexes __________.
ferritin and hemosiderin
Which of the plasma proteins functions in blood clotting?
fibrinogen
Megakaryocytes are specialized cells of the bone marrow responsible for __________.
formation of platelets
A hemoglobin molecule consists of __________ chains of polypeptides, and __________ heme units, which each contain the element __________.
four four iron
The lifespan of a typical RBC is about __________.
four months
There are __________ major blood types and __________ different surface antigens.
four; three
Which category of plasma proteins includes the antibodies?
globulins
Which part of hemoglobin binds oxygen?
heme
What is the precursor of all blood cells in the human body?
hemocytoblast
Jessica has just moved to Denver, Colorado, from Orlando, Florida. What condition is she experiencing now that is stimulating the production of erythropoietin and, consequently, more red blood cells?
hypoxia caused by an increase in her elevation above sea level
What is the plasma protein that plays an important role in protection against foreign proteins and pathogens?
immunoglobin
Hemoglobin molecules released into the bloodstream by the breakdown of RBCs by hemolysis will be excreted in the __________.
kidney
During an infection, the white blood cell count may rise, a condition known as __________.
leukocytosis
Where are most plasma proteins produced?
liver
Erythropoietin appears in the plasma when peripheral tissues, especially the kidneys, are exposed to __________.
low oxygen concentrations
Responsible for cell-mediated or humoral immunity.
lymphocyte
Which type of white blood cell includes the B and T cells that are responsible for humoral and cell-mediated immunity?
lymphocyte
Myeloid stem cells will differentiate into progenitor cells, which give rise to all white blood cells EXCEPT __________.
lymphocytes
Monocytes leave the circulation to become __________.
macrophages
Which of the following is an agranular leukocyte that becomes a tissue macrophage after approximately 24 hours in circulation?
monocyte
Which type of white blood cell circulates in the blood for about 24 hours before entering the tissues and differentiating into a macrophage?
monocyte
large phagocytic cells (macrophage precursors)
monocyte
Hemolytic disease of the newborn occurs when an Rh-__________ woman bears the second child of an Rh-__________ man.
negative; positive
Attack and digest bacteria marked with complement.
neutrophil
Which of the white blood cells is also known as a polymorph?
neutrophil
Which type of granular leukocyte can engulf up to two dozen bacteria and also produces a respiratory burst that creates harsh chemical agents such as hydrogen peroxide?
neutrophil
In which pregnancy is an Rh-positive mom and an Rh-positive child at risk of developing erythroblastosis fetalis?
no pregnancy
A vitamin B12 deficiency results in the type of anemia known as __________.
pernicious anemia
What are the major components of whole blood?
plasma and formed elements
What is the term for the characteristic of white blood cells whereby they are attracted to a specific chemical stimulus?
positive chemotaxis
The formed elements of the blood consist of __________.
red and white blood cells and platelets
Where are red blood cells produced in an adult?
red bone marrow
A change in the amino acid sequence of DNA coding for one of the globin chains of the hemoglobin molecule results in a condition known as __________.
sickle cell anemia
Which part of the hemoglobin molecule directly interacts with oxygen?
the iron ion
An abnormally low platelet count is called __________.
thrombocytopenia
Bleeding along the digestive tract and within the skin is symptomatic of __________.
thrombocytopenia
The primary function of a mature red blood cell is which of the following? defense against toxins and pathogens transport of respiratory gases delivery of enzymes to target tissues All of the listed responses are correct.
transport of respiratory gases
Coloration of urinary and digestive wastes is the result of the presence of which products from the breakdown of red blood cells?
urobilins and stercobilins
The process of hemostasis includes five phases. What is the correct order of the phases as they occur after injury?
vascular, platelet, coagulation, clot retraction, clot destruction (fibrinolysis)
The bond between oxygen and hemoglobin is __________ than that of fetal hemoglobin and oxygen.
weaker than
What are the "patrol agents" in the blood that defend the body against toxins and pathogens?
white blood cells and antibodies
Reticulocytes account for about __________ percent of the erythrocyte population in the blood.
1
Normal hemoglobin concentrations are in the range of __________ g/dL.
12-18
Lymphocytes account for __________ percent of circulating white blood cells.
20-30
A normal hematocrit is in the range of __________.
37-54
Blood temperature is roughly __________°C, and the blood pH averages __________.
38°C; 7.4
On average, 1 microliter of blood contains __________ erythrocytes.
5.2 million
Under "normal" conditions, neutrophils comprise __________ of the circulatory white blood cells.
50-70 percent
A typical microliter of blood contains __________ leukocytes.
5000-10,000
An individual with type AB blood has __________ antigens and __________ antibodies.
A and B; no
If Misty is type A and needs to receive transfusions of blood during a surgery, which blood type(s) could she receive?
A and O
If a person has type A and Rh surface antigens on the blood cells and anti-B antibodies in the plasma, what is that person's blood type?
A-positive
Which of the following is NOT a function of the blood? defense against pathogens regulation of pH and ion composition of interstitial fluids transportation of gases, nutrients, hormones, and wastes All of the listed responses are functions of the blood.
ALL
Which of the following statements is FALSE concerning T cells and B cells? B cells differentiate into T cells and produce antibodies against foreign antigens. T cells complete their maturation process in the thymus. B and T cells are involved in the specific immune response. B cells and T cells are both types of lymphocytes.
B cells differentiate into T cells and produce antibodies against foreign antigens.
What type of blood would cause a cross-reaction when given to a person with type A-positive blood?
B-positive
In the first pregnancy of an Rh-negative mother with an Rh-positive child, why are there usually NO symptoms of erythroblastosis fetalis?
Blood between mother and child does not mix until birth.
Which of the following is NOT a surface antigen that is used in determining blood type? C B Rh A
C
Which of the following affect almost every aspect of the clotting process? calcium ions and vitamin C potassium ions and vitamin B12 calcium ions and vitamin K sodium ions and vitamin D
Calcium ions and vitamin K
Which of the following statements about blood is FALSE? It defends against toxins and pathogens. It helps stabilize body temperature. It is slightly acidic, with a pH of 6.5. It is used in transportation of respiratory gases.
It is slightly acidic, with a pH of 6.5.
Protein synthesis in a mature RBC occurs primarily in __________.
Mature red blood cells cannot synthesize proteins.
Platelets are formed from large cells called __________.
Megakaryocytes
Circulating mature RBCs lack __________.
Mitochondria ribosomes nuclei