Learning Objectives By the end of this section, you will be able to: A blood transfusion is a medical procedure involving the transfer of blood or its components from one individual (donor) to another individual (recipient). Blood transfusions have been performed for…
Learning Objectives By the end of this section, you will be able to: A thrombotic disorder is a condition that interferes with hemostasis, which is the body’s ability to clot or stop the flow of blood. A thrombus is a clot that forms inside a…
Learning Objectives By the end of this section, you will be able to: A medical condition marked by abnormally low levels of neutrophils is called neutropenia. WBCs play an integral part in our immune system’s defenses against pathogens. A neutrophil is a type…
Learning Objectives By the end of this section, you will be able to: Low platelet count syndrome, or thrombocytopenia, is an uncommon hematologic condition characterized by decreased numbers of platelets (thrombocytes) in the bloodstream, affecting three out of 100,000 people yearly in the…
Learning Objectives By the end of this section, you will be able to: A hematologic condition marked by an abnormal increase in the number of RBCs in the body is called polycythemia. This condition can be primary (genetic) or secondary (caused…
Learning Objectives By the end of this section, you will be able to: Hereditary blood disorders include sickle cell anemia and thalassemia. These inherited disorders disrupt the structure, function, or production of Hb, the protein that transports oxygen in RBCs.…
Learning Objectives By the end of this section, you will be able to: The hematopoietic system consists of the body structures responsible for the formation of blood cells. One of the most common hematopoietic disorders, anemia, is defined as deficient production of red blood…
Figure 16.1 Blood collection is a skill needed to provide competent nursing care. Blood samples are used for critical diagnosis of a patient’s condition. Components of a blood sample include plasma, erythrocytes, leukocytes, and platelets. (credit: Jessica Condit/Little Rock Air Force Base,…
The Cerebrovascular System and Cerebral Vascular Accidents Ischemic Stroke Hemorrhagic Stroke
Learning Objectives By the end of this section, you will be able to: A hemorrhagic stroke is less common than an ischemic stroke but often more devastating and debilitating; it is also much more likely to be fatal (Cleveland Clinic,…