《儿科学》课程作业习题（复习题）05 questions of blood disorders

BLOODDISORDERSQUESTIONS:Why the extramedullary hemotopoisis occured in infantthan in elder childrennd adultsWhyoglobinsandfeatures of HbF,HbA and HbA2before and after birthPlease describe the criteriaofchild anemiacorrespondingtoageWhat are morphologic featuresand common causes ofhypochromic microcytic anemia?Why are childrenesp. infants vulnerable to irondeficiency anemia (DA)? What arethe commonofchildanWhat are the three stages of iron deficiency and the corresponding features oflab tests?What arethecommon preparation, dosageofelement iron and duration oforal irontherapyWhat should be cautious duriron therapy and when efficiency assessment?Why is the incidence of nutritional megaloblastic anemia lower than IDA ?sed byVitB12.PleaotatofnutritionalmegaloblasticPlarnutritionalmegaloblasticanemiaHowtotreatnutritionalmegaloblasticanemia?

BLOOD DISORDERS QUESTIONS: 1. Why the extramedullary hemotopoisis occured in infants are more apparent than in elder children and adults? 2. Why dose physiological anemia happen? Please describe the categories of hemoglobins and features of HbF, HbA and HbA2 before and after birth. 3. Please describe the criteria of child anemia corresponding to age. 4. What are morphologic features and common causes of hypochromic microcytic anemia? 5. Why are children esp. infants vulnerable to iron deficiency anemia (IDA)? What are the common causes of child anemia? 6. What are the three stages of iron deficiency and the corresponding features of lab tests? 7. What are the common preparation, dosage of element iron and duration of oral iron therapy? 8. What should be cautious during iron therapy and when efficiency assessment? 9. Why is the incidence of nutritional megaloblastic anemia lower than IDA？ 10. Please describe the clinical manifestations of nutritional megaloblastic anemia caused by VitB12. 11. Please describe the features of investigation tests of nutritional megaloblastic anemia. 12. How to treat nutritional megaloblastic anemia?