Chapter 27 Flashcards
Circulating blood consists of what two portions?
Plasma and formed elements
What procedure is helpful in determining disorders of the blood?
Bone marrow aspiration
What is the most common nutritional deficiency of children in the U.S.?
Iron-deficiency anemia
Is sickle cell disease inherited?
Sickle cell is inherited
What shape are the cells of of sickle cell disease?
Crescent shaped, and are clumped together
What medication should not be used for pain control with children who have sickle cell anemia?
meperidine (Demerol)
Thalassemia causes what?
Massive expansion of the bone marrow
Thalassemia causes changes to what part of the body?
The contour of the child’s skull and face
What is hemophilia A caused by?
a deficiency in coagulation of factor VIII
What is hemophilia B caused by? (Also known as Christmas disease)
a deficiency in coagulation of factor IX
What is a common characteristic sign of hemophilia A?
hemarthrosis: bleeding in the joints
What is a complication of multiple transfusions in hemolytic blood disorders?
Hemosiderosis: deposits of iron in the organs and tissues
What are the signs of transfusion reactions?
chills, itching rash, fever, headache
What is petechiae?
bluish pinpoint lesions on the skin
What is purpuras?
grouping of adjoining petechiae, in other words, lots of bluish pinpoint lesions on the skin