A&P 2 Chapter 19 Study Quiz
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
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
Which of the following occurs during the recycling of a red blood cell?
Iron and amino acids are recycled to be used in erythropoiesis, while unusable products are excreted into the small intestine in bile.
Along with calcium ions, which vitamin is involved in almost every aspect of blood coagulation?
K
Which of the following statements concerning white blood cells is FALSE?
Monocytes begin their development in bone marrow and then migrate to the thymus, spleen, or liver to complete the maturation process.
Which of the following statements concerning hemoglobin is FALSE?
Most of the hemoglobin in red blood cells is in the form of carbaminohemoglobin.
Which of the following statements concerning red blood cells is INCORRECT?
There are approximately 10,000 red blood cells in a microliter (µL) of blood.
What is the most common blood type among Americans?
Type O
Which of the following is NOT a reason why venipuncture is usually the preferred method for obtaining a blood sample?
Walls of veins are thicker than arteries
Monocytes leave the circulation to become
macrophages
Hemolytic disease of the newborn occurs when an Rh-__________ woman bears the second child of an Rh-__________ man.
negative;positive
Which of the white blood cells is also known as a polymorph?
neutrophil
What are the major components of whole blood?
plasma and formed elements
The platelet phase includes which of the following?
platelet adhesion platelet aggregation platelet plug formation
In adults, erythropoiesis occurs in
red bone marrow
Syneresis refers to the process of
clot retraction
The process of hemostasis includes which of the following?
coagulation phase platelet phase vascular phase
Which blood cells are the most abundant?
erythrocytes
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 the plasma protein that functions in blood clotting?
fibrinogen
Which of the following is NOT a function of platelets?
formation of solid clot
The lifespan of a typical RBC is about
four months
There are __________ major blood types and __________ different surface antigens.
four; three
A hemoglobin molecule consists of __________ chains of polypeptides, and __________ heme units, which each contain the element __________.
four;four;iron
Which of the following is NOT a function of blood?
Coordination of body system responses
Which type of healthy human would typically have 4 to 5 liters of blood?
adult female
What is the plasma protein that plays an important role in protection against foreign proteins and pathogens?
immunoglobulin
The binding of a heme unit's iron ion to an oxygen ion
is a reversible binding forms oxyhemoglobin will be broken when oxygen reaches systemic tissues, so that oxygen can enter body cells
Blood
is more viscous than water because of its combination of formed and dissolved elements maintains the ability to stop its flow at a point of injury contains red cells, white cells, and platelets carries hormones and antibodies in its circulation
During an infection, the white blood cell count may rise, a condition known as
leukocytosis
Bleeding along the digestive tract and within the skin is symptomatic of
thrombocytopenia
Which disease state would be characterized by a concentration of up to 1,000,000 platelets/µL in the plasma?
thrombocytosis
Which of the following factors does NOT restrict the coagulation process?
thromboxane A2
Which of the following is NOT a function of albumin?
transporting iron
Which blood type can be safely transfused into a person with type O blood without a cross-reaction?
type O blood given to a person with type O blood
The bond between oxygen and hemoglobin is __________ than that of fetal hemoglobin and oxygen.
weaker than
