QA includes prevention of quality problems through planned and systematic activities where as QC includes activities or techniques used to achieve and maintain the product quality, process and service.
The symptoms of pernicious anemia can vary amongst individuals, depending on the cause, the severity of anemia, and other factors. Direct symptoms of pernicious anemia are due to a lack of red blood cells, which are vital to carrying oxygen to the cells of the body.Symptoms can include pale skin, shortness of breath, fatigue, dizziness, headache, cold hands and feet, heart palpitations, and chest pain.ore information about symptoms of Pernicious anemia and related conditions: 1  Other diseases with similar symptoms and common misdiagnoses. 2  Tests to determine if these are the symptoms of Pernicious anemia. 3  Symptoms that may be caused by complications of Pernicious anemia. 4  Underlying causes of Pernicious anemia.
Pernicious anemia is a condition in which the body produces insufficient numbers of red blood cells because the intestines cannot absorb vitamin B12 properly.Vitamin B12 is essential for the production of red blood cells in the bone marrow.ernicious anemia is a condition in which the body produces insufficient numbers of red blood cells because the intestines cannot absorb vitamin B12 properly.