NR507 Advanced Pathophysiology-
Midterm (2026-2027) advanced
scenario-based questions with correct
answers and detailed explanations
Iron Deficiency Anemia Diagnosis
-based on clinical symptoms that occur when iron
stores are depleted
-Ferritin is a protein that stores and releases iron.
Serum ferritin is a key indicator of the body's iron
stores and the most widely accepted measurement
of iron status
-Laboratory results include lower-than-normal
hemoglobin, hematocrit, plasma iron, ferritin, and
transferrin. The total iron-binding capacity will be
high.
,IDA treatment
-Identifying the underlying cause of iron deficiency
is critical to determining the appropriate treatment
regimen
-The aim of therapy is to replenish iron stores and
return the hemoglobin to a normal level. In addition
to dietary intake of iron-rich foods, iron
replenishment can be through oral or parenteral
iron replacement or administration of packed red
blood cells.
-Oral ferrous iron supplementation is recommended
as the initial treatment, but it often causes
gastrointestinal side effects such as constipation,
nausea, and diarrhea.
-Iron dextran is a parenteral iron replacement and is
used when clients have uncontrolled blood loss,
intolerance to oral iron, intestinal malabsorption, or
poor adherence to oral therapy. Iron dextran can be
administered intramuscularly or intravenously.
-A red blood cell transfusion may be necessary for
clients with severe anemia, who are
,hemodynamically unstable, or who have critical
comorbid conditions.
Pathophysiology of Thalassemia
hereditary disorder characterized by abnormal
hemoglobin production, leading to the production
of smaller and fewer hemoglobinized red blood cells
-categorized into two types—alpha and beta—
depending on which chain of hemoglobin is
affected. The classification further distinguishes
beta thalassemias as major or intermedia based on
symptom severity, with beta thalassemia occurring
more frequently than alpha thalassemia. Anemia
associated with thalassemia is a microcytic-
hypochromic hemolytic anemia.
For clients with beta thalassemia, the mutation
leads to erythrocytes with a reduced amount of
hemoglobin and an accumulation of free alpha
chains. These unstable free alpha chains contribute
to abnormal erythroblasts and ineffective
erythropoiesis, where most erythroblasts die in the
bone marrow, resulting in hemolytic anemia. Blood
, transfusions can improve the anemia, but they can
cause a systemic overload of iron.
Thalassemia Disease Risk Factors
-inherited autosomal recessive disorders.
Consequently, the nurse practitioner (NP) should
consider factors such as family history, ethnic
background, carrier screening, and genetic
counseling when providing care to individuals who
may be carriers of or affected by thalassemias.
-Autosomal recessive pattern showing that two
parents who each have one normal and one
abnormal gene (Aa) can have a child who is not a
carrier (AA), a child who is a carrier (Aa), or a child
who has the disease (aa).
Alpha Thalassemia Minor
-mild microcytic-hypochromic reticulocytosis,
-bone marrow hyperplasia
-increased serum iron concentrations
-moderate splenomegaly.`
Alpha Thalassemia Major
Midterm (2026-2027) advanced
scenario-based questions with correct
answers and detailed explanations
Iron Deficiency Anemia Diagnosis
-based on clinical symptoms that occur when iron
stores are depleted
-Ferritin is a protein that stores and releases iron.
Serum ferritin is a key indicator of the body's iron
stores and the most widely accepted measurement
of iron status
-Laboratory results include lower-than-normal
hemoglobin, hematocrit, plasma iron, ferritin, and
transferrin. The total iron-binding capacity will be
high.
,IDA treatment
-Identifying the underlying cause of iron deficiency
is critical to determining the appropriate treatment
regimen
-The aim of therapy is to replenish iron stores and
return the hemoglobin to a normal level. In addition
to dietary intake of iron-rich foods, iron
replenishment can be through oral or parenteral
iron replacement or administration of packed red
blood cells.
-Oral ferrous iron supplementation is recommended
as the initial treatment, but it often causes
gastrointestinal side effects such as constipation,
nausea, and diarrhea.
-Iron dextran is a parenteral iron replacement and is
used when clients have uncontrolled blood loss,
intolerance to oral iron, intestinal malabsorption, or
poor adherence to oral therapy. Iron dextran can be
administered intramuscularly or intravenously.
-A red blood cell transfusion may be necessary for
clients with severe anemia, who are
,hemodynamically unstable, or who have critical
comorbid conditions.
Pathophysiology of Thalassemia
hereditary disorder characterized by abnormal
hemoglobin production, leading to the production
of smaller and fewer hemoglobinized red blood cells
-categorized into two types—alpha and beta—
depending on which chain of hemoglobin is
affected. The classification further distinguishes
beta thalassemias as major or intermedia based on
symptom severity, with beta thalassemia occurring
more frequently than alpha thalassemia. Anemia
associated with thalassemia is a microcytic-
hypochromic hemolytic anemia.
For clients with beta thalassemia, the mutation
leads to erythrocytes with a reduced amount of
hemoglobin and an accumulation of free alpha
chains. These unstable free alpha chains contribute
to abnormal erythroblasts and ineffective
erythropoiesis, where most erythroblasts die in the
bone marrow, resulting in hemolytic anemia. Blood
, transfusions can improve the anemia, but they can
cause a systemic overload of iron.
Thalassemia Disease Risk Factors
-inherited autosomal recessive disorders.
Consequently, the nurse practitioner (NP) should
consider factors such as family history, ethnic
background, carrier screening, and genetic
counseling when providing care to individuals who
may be carriers of or affected by thalassemias.
-Autosomal recessive pattern showing that two
parents who each have one normal and one
abnormal gene (Aa) can have a child who is not a
carrier (AA), a child who is a carrier (Aa), or a child
who has the disease (aa).
Alpha Thalassemia Minor
-mild microcytic-hypochromic reticulocytosis,
-bone marrow hyperplasia
-increased serum iron concentrations
-moderate splenomegaly.`
Alpha Thalassemia Major
