The reason behind using the blood group O negative in the patient, even before knowing his actual blood group. Introduction: The blood forms an important part of the body. It constitutes the circulatory system that is important to deliver nutrients and oxygen to the various body parts. The blood is composed of formed elements (45%) and plasma (55%). The formed elements contain leukocytes (white blood cells), erythrocytes (red blood cells), and platelets. The plasma contains various dissolved ions, proteins, metabolic wastes, and gases. In case of heavy blood loss, the patient is infused with packed red blood cells in order to compensate for the lost blood. Blood typing or blood matching is important before transfusion because wrong blood type can cause transfusion reactions in the patient.

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Chapter 16, Problem 3CCS

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The reason behind using the blood group O negative in the patient, even before knowing his actual blood group.

Introduction:

The blood forms an important part of the body. It constitutes the circulatory system that is important to deliver nutrients and oxygen to the various body parts. The blood is composed of formed elements (45%) and plasma (55%). The formed elements contain leukocytes (white blood cells), erythrocytes (red blood cells), and platelets. The plasma contains various dissolved ions, proteins, metabolic wastes, and gases. In case of heavy blood loss, the patient is infused with packed red blood cells in order to compensate for the lost blood. Blood typing or blood matching is important before transfusion because wrong blood type can cause transfusion reactions in the patient.

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