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Questions and Answers
What is the Packed Cell Volume (P.C.V) a measure of?
What is the Packed Cell Volume (P.C.V) a measure of?
- The volume of red blood cells in the blood (correct)
- The total volume of blood in the body
- The volume of white blood cells in the blood
- The volume of plasma in the blood
What is the average number of red blood cells per cubic millimeter in healthy men?
What is the average number of red blood cells per cubic millimeter in healthy men?
- 4,500,000 (±200,000)
- 4,700,000 (±300,000)
- 5,500,000 (±200,000)
- 5,200,000 (±300,000) (correct)
Where are red blood cells derived from?
Where are red blood cells derived from?
- Spleen
- Bone marrow (correct)
- Lungs
- Liver
What is the life span of a red blood cell?
What is the life span of a red blood cell?
What causes the production of greatly increased numbers of erythrocytes?
What causes the production of greatly increased numbers of erythrocytes?
What is the procedure for measuring Packed Cell Volume (P.C.V)?
What is the procedure for measuring Packed Cell Volume (P.C.V)?
Which condition is characterized by an increase in the volume of P.C.V above the reference range?
Which condition is characterized by an increase in the volume of P.C.V above the reference range?
What is the term for a decrease in the volume of P.C.V below the normal range?
What is the term for a decrease in the volume of P.C.V below the normal range?
What type of anemia results from vitamin B12 and folic acid deficiency?
What type of anemia results from vitamin B12 and folic acid deficiency?
Which type of anemia is characterized by hereditary disorders that make the cells fragile, causing them to rupture easily?
Which type of anemia is characterized by hereditary disorders that make the cells fragile, causing them to rupture easily?
What is the condition that results in an increased level of circulating red blood cells in the bloodstream?
What is the condition that results in an increased level of circulating red blood cells in the bloodstream?
What causes primary polycythemias?
What causes primary polycythemias?
What is the term for a deficiency of hemoglobin in the blood caused by too few red blood cells or too little hemoglobin in the cells?
What is the term for a deficiency of hemoglobin in the blood caused by too few red blood cells or too little hemoglobin in the cells?
Which condition is characterized by an increase in hematocrit, hemoglobin, or RBC?
Which condition is characterized by an increase in hematocrit, hemoglobin, or RBC?
What is the term for chronic blood loss resulting in RBCs being smaller than normal and having too little hemoglobin inside them?
What is the term for chronic blood loss resulting in RBCs being smaller than normal and having too little hemoglobin inside them?
What is the average volume of red blood cells per cubic millimeter in healthy women?
What is the average volume of red blood cells per cubic millimeter in healthy women?
What is the term for the process that causes the growth induction and production of greatly increased numbers of erythrocytes?
What is the term for the process that causes the growth induction and production of greatly increased numbers of erythrocytes?
What is the term for the condition characterized by an increase in hematocrit, hemoglobin, or RBC?
What is the term for the condition characterized by an increase in hematocrit, hemoglobin, or RBC?
What is the term for the chronic blood loss resulting in RBCs being smaller than normal and having too little hemoglobin inside them?
What is the term for the chronic blood loss resulting in RBCs being smaller than normal and having too little hemoglobin inside them?
Where are red blood cells derived from?
Where are red blood cells derived from?
What is the condition that results in an increased level of circulating red blood cells in the bloodstream?
What is the condition that results in an increased level of circulating red blood cells in the bloodstream?
What is the normal range of P.C.V for adult male?
What is the normal range of P.C.V for adult male?
What is the normal range of P.C.V for adult female?
What is the normal range of P.C.V for adult female?
What is the term for an increase in the volume of P.C.V above the reference range?
What is the term for an increase in the volume of P.C.V above the reference range?
What is the term for a decrease in the volume of P.C.V below the normal range?
What is the term for a decrease in the volume of P.C.V below the normal range?
What are the conditions associated with an increase in Hematocrit (PCV) value?
What are the conditions associated with an increase in Hematocrit (PCV) value?
Name the conditions associated with a decrease in Hematocrit (PCV) value.
Name the conditions associated with a decrease in Hematocrit (PCV) value.
What is the term for a deficiency of hemoglobin in the blood caused by either too few red blood cells or too little hemoglobin in the cells?
What is the term for a deficiency of hemoglobin in the blood caused by either too few red blood cells or too little hemoglobin in the cells?
What is the condition that results in an increased level of circulating red blood cells in the bloodstream?
What is the condition that results in an increased level of circulating red blood cells in the bloodstream?
What is the term for lack of functioning bone marrow?
What is the term for lack of functioning bone marrow?
What type of anemia results from vitamin B12 & folic acid deficiency?
What type of anemia results from vitamin B12 & folic acid deficiency?
The Packed Cell Volume (P.C.V) measures the volume of both plasma and blood cells in the blood.
The Packed Cell Volume (P.C.V) measures the volume of both plasma and blood cells in the blood.
The average number of RBCs per cubic millimeter is higher in women than in men.
The average number of RBCs per cubic millimeter is higher in women than in men.
Erythrocytes have a fixed shape and do not change as they move through capillaries.
Erythrocytes have a fixed shape and do not change as they move through capillaries.
RBCs production is induced by exposure of the blood to high oxygen levels for a short time.
RBCs production is induced by exposure of the blood to high oxygen levels for a short time.
The life span of a red blood cell is approximately 90 days.
The life span of a red blood cell is approximately 90 days.
The volume of the P.C.V does not reflect the volume of the red blood cells.
The volume of the P.C.V does not reflect the volume of the red blood cells.
An increase in the volume of P.C.V above the reference range is termed as anemia.
An increase in the volume of P.C.V above the reference range is termed as anemia.
Megaloblastic anemia results from vitamin B12 and folic acid deficiency.
Megaloblastic anemia results from vitamin B12 and folic acid deficiency.
Hemolytic anemia is characterized by hereditary disorders that make the cells fragile, causing them to rupture easily as they go through the capillaries.
Hemolytic anemia is characterized by hereditary disorders that make the cells fragile, causing them to rupture easily as they go through the capillaries.
Bone marrow aplasia means a lack of functioning bone marrow.
Bone marrow aplasia means a lack of functioning bone marrow.
Polycythemia results in a decreased level of circulating red blood cells in the bloodstream.
Polycythemia results in a decreased level of circulating red blood cells in the bloodstream.
Anemia means a deficiency of hemoglobin in the blood caused by too few red blood cells or too little hemoglobin in the cells.
Anemia means a deficiency of hemoglobin in the blood caused by too few red blood cells or too little hemoglobin in the cells.
A person exposed to high-dose radiation or chemotherapy for cancer treatment can damage stem cells of the bone marrow, resulting in megaloblastic anemia.
A person exposed to high-dose radiation or chemotherapy for cancer treatment can damage stem cells of the bone marrow, resulting in megaloblastic anemia.
Secondary polycythemia is usually caused by increased erythropoietin (EPO) production in response to chronic hypoxia or from an erythropoietin-secreting tumor.
Secondary polycythemia is usually caused by increased erythropoietin (EPO) production in response to chronic hypoxia or from an erythropoietin-secreting tumor.
Pregnancy is among the conditions associated with an increase in Hematocrit (PCV) value.
Pregnancy is among the conditions associated with an increase in Hematocrit (PCV) value.
Hematocrit value increases in conditions associated with hypoxia.
Hematocrit value increases in conditions associated with hypoxia.
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