Hematology (APEA) QUESTIONS AND ANSWERS
WITH COMPLETE SOLUTION 100% CORRECT
Anemia is defined as reduction in one or more RBC measurements: - ANSWER
RBC count
Hgb
Hct
Lab value to look at size of RBC - ANSWER MCV
Lab value to look at color of RBC - ANSWER MCH
Lab value to look at degree of variation of RBC size (<15% is normal) - ANSWER
RDW
Why would the bone marrow make small RBC? - ANSWER Not enough iron
Iron lab values - ANSWER Serum iron
Serum ferritin
TIBC
Serum iron - ANSWER Measure of iron in circulation
Serum ferritin - ANSWER Measure of iron in storage
, TIBC (total iron-binding capacity) - ANSWER Reciprocal relationship to iron
count
Peripheral smear - ANSWER Visual description of RBC
Should always be considered when a patient presents with anemia
Reticulocytes - ANSWER Immature RBC
Usually about 1%
Indicates ability of bone marrow to produce RBC
Microcytic anemia examples - ANSWER Iron deficiency anemia
Thalassemia
Iron deficiency anemia: what type & clinical presentation - ANSWER Microcytic
hypochromic
Young-adults: fatigue, weakness, headache, exercise intolerance
Older-adults: worsening symptoms of another disease
How to tell the difference between IDA and thalasemmia? - ANSWER Serum
iron and ferritin will be low and TIBC will be high in IDA
How much elemental iron does a person need daily for IDA and for how long? -
ANSWER 150-200 mg daily for 4-6 months
WITH COMPLETE SOLUTION 100% CORRECT
Anemia is defined as reduction in one or more RBC measurements: - ANSWER
RBC count
Hgb
Hct
Lab value to look at size of RBC - ANSWER MCV
Lab value to look at color of RBC - ANSWER MCH
Lab value to look at degree of variation of RBC size (<15% is normal) - ANSWER
RDW
Why would the bone marrow make small RBC? - ANSWER Not enough iron
Iron lab values - ANSWER Serum iron
Serum ferritin
TIBC
Serum iron - ANSWER Measure of iron in circulation
Serum ferritin - ANSWER Measure of iron in storage
, TIBC (total iron-binding capacity) - ANSWER Reciprocal relationship to iron
count
Peripheral smear - ANSWER Visual description of RBC
Should always be considered when a patient presents with anemia
Reticulocytes - ANSWER Immature RBC
Usually about 1%
Indicates ability of bone marrow to produce RBC
Microcytic anemia examples - ANSWER Iron deficiency anemia
Thalassemia
Iron deficiency anemia: what type & clinical presentation - ANSWER Microcytic
hypochromic
Young-adults: fatigue, weakness, headache, exercise intolerance
Older-adults: worsening symptoms of another disease
How to tell the difference between IDA and thalasemmia? - ANSWER Serum
iron and ferritin will be low and TIBC will be high in IDA
How much elemental iron does a person need daily for IDA and for how long? -
ANSWER 150-200 mg daily for 4-6 months
