RBC Flashcards
(15 cards)
Because of family history, the provider orders hemoglobin electrophoresis tests for Jordan. The results are positive for hemoglobin S.
What disorder does the patient have?
sickle cell anemia
Ethan presents with hypotension, tachycardia, and hyperventilation. You learn that he received a severe wound while using a chain saw. Laboratory results reveal low hematocrit, low hemoglobin, and normocytic normochromic anemia.
What condition is consistent with these lab values?
acute blood loss
Stephanie has systemic lupus erythematous. Her peripheral blood smear reveals spherocytosis and poikilocytosis. Reticulocyte percentage is elevated.
What condition is consistent with these findings?
hemolytic anemia
Nina, age 23, has the primary complaint of heavy menstrual periods. Blood laboratory values show low hemoglobin and hematocrit with microcytic and hypochromic cells. Serum ferritin is low with elevated total iron binding capacity.
What condition is consistent with these findings?
iron-deficiency anemia
Timothy was recently diagnosed with pernicious anemia and presents with complaints of fatigue and dyspnea. He also comments that his tongue “hurts” and feels “strange,” and he is experiencing tingling in his hands and fingers. Laboratory values reveal low hemoglobin and hematocrit, with high mean corpuscular volume values.
What condition is consistent with these findings?
vitamin B12 deficiency anemia
Rosalie reports bruising easily and nose bleeds. Bone marrow biopsy results reveal hypocellularity throughout, and CBC values show reduced red blood cells, white blood cells, platelets, and reticulocytes.
What condition is consistent with these findings?
aplastic anemia
Peter has been experiencing headaches, tinnitus, vertigo, and nosebleeds. Blood laboratory results reveal a hemoglobin level of 18 g/dL and a hematocrit level of 55%. White blood cells and platelets are also elevated. Erythropoietin is low.
What condition is consistent with these findings?
primary polycythemia
Monica has Crohn’s disease and has been experiencing weakness and fatigue. Peripheral blood smear shows megaloblastic cells. Blood laboratory results also show low hemoglobin and hematocrit with high mean corpuscular volume. Homocysteine levels are also high.
What condition is consistent with these findings?
folic and deficiency anemia
Nassar is a child of Middle Eastern descent. Nassar’s parents state that he often seems to tire easily, and he has had jaundice in the past. He also is on the lower end of the growth curve for his age. A CBC reveals low hematocrit and hemoglobin and MCHC anemia. Electrophoresis reveals Hgb with missing beta chains.
What condition is consistent with these findings?
thalassemia
An infant was born with high bilirubin levels at birth. The mother’s blood type is Rh–, while the fetus is identified as having Rh+ blood.
What condition is consistent with these findings?
erythroblastosis fetalis
Which factor stimulates red blood cell production?
erythropoietin
Which of the following describes a reticulocyte?
immature RBC
Which of the following nutrients, if deficient, may disrupt RBC formation? Select all that apply.
-iron
-vitamin B12
-folic acid
Which manifestation is characteristic of aplastic anemia?
pancytopenia
Which term indicates an overabundance of RBCs?
polycythemia