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Questions and Answers
What type of hormones do cytokines generally act as?
What type of hormones do cytokines generally act as?
- Endocrine
- Exocrine
- Pituitary
- Autocrine or paracrine (correct)
What is the primary function of red blood cells?
What is the primary function of red blood cells?
- Regulate blood flow and blood pressure
- Transportation of Oxygen (correct)
- Formulation of Hemoglobin
- Produce ATPs anaerobically
What is the composition of the globin portion of hemoglobin?
What is the composition of the globin portion of hemoglobin?
- 2 Alpha and 2 beta chains (correct)
- 1 Alpha and 3 beta chains
- 3 Alpha and 1 beta chains
- 4 Alpha chains
What is the function of the enzyme carbonic anhydrase in red blood cells?
What is the function of the enzyme carbonic anhydrase in red blood cells?
What is the shape of a red blood cell?
What is the shape of a red blood cell?
What is the approximate number of hemoglobin molecules in each red blood cell?
What is the approximate number of hemoglobin molecules in each red blood cell?
What percentage of the volume of blood is composed of RBCs if the haematocrit is 40?
What percentage of the volume of blood is composed of RBCs if the haematocrit is 40?
In adult females, what is the average haematocrit percentage?
In adult females, what is the average haematocrit percentage?
What is the condition characterized by a higher-than-normal number of RBCs?
What is the condition characterized by a higher-than-normal number of RBCs?
Where does hemopoiesis first occur in the embryo?
Where does hemopoiesis first occur in the embryo?
What is the primary function of erythropoietin (EPO)?
What is the primary function of erythropoietin (EPO)?
What is the primary site of hemopoiesis in the last 3 months before birth and after birth?
What is the primary site of hemopoiesis in the last 3 months before birth and after birth?
What is the primary function of blood in maintaining homeostasis?
What is the primary function of blood in maintaining homeostasis?
What is the scientific term for the study of blood and its disorders?
What is the scientific term for the study of blood and its disorders?
What is the average pH of blood?
What is the average pH of blood?
What is the approximate percentage of extracellular fluid that blood occupies?
What is the approximate percentage of extracellular fluid that blood occupies?
What is the term for the percentage of total blood volume occupied by red blood cells?
What is the term for the percentage of total blood volume occupied by red blood cells?
What is the color of blood when it is saturated with oxygen?
What is the color of blood when it is saturated with oxygen?
What is the primary function of hemostasis?
What is the primary function of hemostasis?
What is the purpose of vascular spasm in hemostasis?
What is the purpose of vascular spasm in hemostasis?
What is platelet-derived growth factor (PDGF) responsible for?
What is platelet-derived growth factor (PDGF) responsible for?
What is the primary component of a platelet plug?
What is the primary component of a platelet plug?
What is the result of extensive hemorrhage from larger blood vessels?
What is the result of extensive hemorrhage from larger blood vessels?
What is the function of thromboxane A2 in platelet plug formation?
What is the function of thromboxane A2 in platelet plug formation?
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