When reviewing the hematologic system, the student nurse is correct when making which statement?
a. "African Americans have the highest in-cidence of sickle cell disease."
b. "Iatrogenic blood disorders are congenital in origin."
c. "Folic acid is directly related to synthesis of hemoglobin."
d. "Bruising in the elderly patient is of great concern."
A
African Americans do have the highest incidence of sickle cell disease. Iatrogenic blood disord-ers are brought on by medical treatment, such as bone marrow suppression. Iron, rather than folic acid, is directly related to hemoglobin synthesis; folic acid is related to RBC maturation. The el-derly adult tends to bruise more due to the thinning of the skin and the increased fragility of the vessels; therefore, it is expected to see some bruising with these patients. Excessive bruising, however, in the elderly patient should be investigated.
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