In: Nursing
1) What are the components of blood, and what are their functions?
2) What are the five types of white blood cells and their normal ranges in healthy adults?
Answer
1) What are the components of blood, and what are their functions?
· Plasma. Plasma constitutes 55% of total blood volume. ...
· White Blood Cells. There are between 6,000 and 8,000 white cells per cubic millimetre of blood. ...
· Platelets. Platelets, or thrombocytes, are smaller than the red and white blood cells. ...
· Red Blood Cells.
· Functions of blood and its components
· Blood Is Fluid Connective Tissue.
· It Provides the Body's Cells with Oxygen and Removes Carbon Dioxide.
· It transports Nutrients and Hormones. ...
· Blood Regulates Body Temperature. ...
· Platelets Clot Blood at Sites of Injury. ...
· Blood Brings Waste Products to the Kidneys and Liver.
The main function of platelets, the maintenance of hemostasis, depends on three of their properties, the endothelial supporting function of platelets, the ability to form hemostatic plugs and to release lipoprotein material.
White blood cell, also called leukocyte or white corpuscle, a cellular component of the blood that lacks hemoglobin,it has a nucleus, it is capable of motility, and defends the body against infection and disease by ingesting foreign materials and cellular debris, by destroying infectious agents and cancer cells.
2) What are the five types of white blood cells and their normal ranges in healthy adults?
· Monocytes. They have a longer lifespan than many white blood cells and help to break down bacteria.
· Lymphocytes. They create antibodies to fight against bacteria, viruses, and other potentially harmful invaders.
· Neutrophils. They kill and digest bacteria and fungi. ...
· Basophils. ...
· Eosinophils.
· Normal reference range of WBC in healthy adults.