What is the specific chemical stimulus that causes the smooth muscle of blood vessels walls to contract when they are damaged, and what is the functional purpose of this contraction?.Define “hemostasis” and describe why hemostasis is vital to maintaining homeostasis in the human body.Define hemostasis and describe the mechanisms involved in achieving hemostasis: vascular spasm, platelet plug formation, blood clotting. Describe in general terms how each factor is normally regulated by the body.What factors contribute to the viscosity of blood?.Specify the two main components of blood that give blood its viscosity, and describe the importance of each to the blood. Describe the major factors that stimulate the body to produce more erythrocytes. Describe the origin, site(s) of production, structure and function of platelets.Bone marrow disorders cause a low monocyte count.Why is a low lymphocyte count observed in individuals with an active HIV infection? Why is this a dangerous situation?. How would allergies affect the basophil count? Explain why.How does one of the functions of eosinophils explain their high counts in individuals fighting a parasitic worm infestation?.Why are neutrophils found in high numbers in people recovering from burn injuries? What could be consequences of an abnormally low neutrophil count?.What is a differential count? What information can it provide?.Be sure to include the 2 main subtypes of lymphocyte in your answer. Describe in detail the function(s) of the five types of leukocytes.List the types of leukocytes (white blood cells), their origins and relative quantities in normal blood (I.e.Describe the origin, site(s) of production, structure and function of each leukocytes.What can that information be used to determine?.What specific information does it give you about an individual’s blood?.Briefly explain how to determine the hematocrit of a blood sample, then explain:.Describe the structure and function of hemoglobin.Describe the origin, site(s) of production, structure and function of erythrocytes.Describe the production of the formed elements of blood. Describe the composition of plasma, and list at least three plasma proteins.How do the functions of blood contribute to homeostasis?.Describe the general nature and functions of blood, specify the main components of blood and describe the importance of each. At the end of this unit, you should be able to complete all the following tasks, including answering the guiding questions associated with each task.
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