NURSING MISC - Peds Final Review.

NURSING MISC - Peds Final Review/NURSING MISC - Peds Final Review. Hematology Hematopoiesis – blood cell production, occurs in the marrow of almost every bone. Polycythemia – an above-average increase in the number of red cells in the blood. Thrombocytopenia – a deficiency of platelets that can lead to bleeding disorders. Anemia – defined as a reduction in the number of RBCs, the quantity of hemoglobin, and the volume of packed red blood cells to below-normal levels. Leukopenia – can be caused by immune or bone marrow disorders. Iron Deficiency Anemia • Most common type of anemia and the most common nutritional deficiency in children. • Can be caused secondary to blood loss, malabsorption, or poor nutritional intake. • Adolescents whose diets are low in vitamins and minerals o Adolescent girls who suffer from menorrhagia (heavy menstrual bleedings) are also at risk.