NR 507 NP
MIDTERM EXAM
Verified Questions & Answers With Rationales
Advanced Pathophysiology
Chamberlain
CONSINST OF 100 QUESTIONS
WEEKS 1 – 4 COVERED
,Which of the following client(s) should the nurse practitioner (NP) recognize as
being at risk for developing folate deficiency? Select all that apply.
A 30-year-old client with severe anorexia nervosa
A 19-year-old client with sickle cell disease
A 27-year-old client who is newly pregnant and breastfeeding their toddler
A 40-year-old client with celiac disease
A 32-year-old client who had a gastrectomy one year ago
Correct Answer:
A 30-year-old client with severe anorexia nervosa
A 27-year-old client who is newly pregnant and breastfeeding their toddler
A 40-year-old client with celiac disease
Expert Rationale:
Folate deficiency arises from inadequate dietary intake, increased metabolic demands,
or malabsorption. Severe anorexia nervosa limits nutritional intake. Pregnancy and
lactation significantly increase folate requirements due to rapid cell division and fetal
development. Celiac disease causes villous atrophy in the small intestine, impairing
folate absorption. Sickle cell disease increases folate needs due to high erythropoietic
turnover but is more commonly associated with folate depletion rather than being a
primary risk factor in the same category. Post-gastrectomy clients are at risk for B12
deficiency due to loss of intrinsic factor, not folate deficiency.
A nurse practitioner (NP) evaluates a 45-year-old client who presents with fatigue
and weakness. The NP diagnoses the client with anemia of chronic disease. What
is the primary pathophysiological mechanism causing this normocytic anemia?
Excessive blood loss
Defective erythropoiesis
Impaired iron absorption
Delayed maturation of erythrocyte precursors
Correct Answer: Defective erythropoiesis
Expert Rationale:
Anemia of chronic disease (ACD), also called anemia of inflammation, is primarily
driven by defective erythropoiesis. Inflammatory cytokines (IL-6) increase hepcidin
production, leading to iron sequestration within macrophages and reduced iron
availability for erythropoiesis. Additionally, chronic disease states blunt erythropoietin
(EPO) response and directly impair erythroid progenitor cell proliferation. While iron
,metabolism is dysregulated, the fundamental mechanism is defective red blood cell
production, not merely impaired absorption or blood loss.
A nurse practitioner (NP) evaluates a 28-year-old client who presents with fatigue,
jaundice, and dark-colored urine. The NP diagnoses the client with hemolytic
anemia. What is the most likely pathophysiological mechanism causing this
normocytic anemia?
Impaired iron absorption
Excessive blood loss
Defective erythropoiesis
Increased red blood cell destruction
Correct Answer: Increased red blood cell destruction
Expert Rationale:
Hemolytic anemia is classified as a normocytic anemia characterized by premature
destruction of red blood cells (RBCs) exceeding the bone marrow's compensatory
capacity. The hallmark clinical manifestations—jaundice, dark urine (bilirubinuria), and
fatigue—result from elevated unconjugated bilirubin and hemoglobin breakdown
products. Unlike iron deficiency (impaired absorption) or aplastic anemia (defective
erythropoiesis), hemolytic anemia stems from intrinsic RBC defects (e.g., sickle cell,
thalassemia) or extrinsic immune-mediated destruction.
Which client should the nurse practitioner (NP) recognize as most at risk for
developing hemolytic anemia?
60-year-old with a history of iron-deficiency anemia
35-year-old who recently underwent surgery for a bleeding ulcer
50-year-old who experienced a transfusion reaction after a blood transfusion
28-year-old with a family history of thalassemia
Correct Answer: 50-year-old who experienced a transfusion reaction after a blood
transfusion
Expert Rationale:
Hemolytic transfusion reactions represent acute or delayed immune-mediated
hemolysis caused by ABO incompatibility or alloantibodies against donor RBC antigens.
This triggers complement activation, intravascular hemolysis, and massive RBC
destruction. While thalassemia involves abnormal hemoglobin synthesis, it is a chronic
, inherited condition, not an acquired risk event. Iron-deficiency anemia and post-surgical
bleeding ulcers cause blood loss anemia, not hemolysis.
The nurse practitioner (NP) evaluates a 30-year-old client with chronic kidney
disease who presents with fatigue, weakness, and pallor. The laboratory results
reveal a low hemoglobin, increased c-reactive protein, and increased erythrocyte
sedimentation rate. The NP anticipates which additional laboratory finding?
Reticulocyte count is not relevant to anemia assessment
Decreased reticulocytes
Increased reticulocytes
Normal reticulocyte count
Correct Answer: Decreased reticulocytes
Expert Rationale:
In chronic kidney disease (CKD), anemia develops primarily from reduced erythropoietin
(EPO) production by peritubular fibroblasts in the renal cortex. Without adequate EPO
stimulation, the bone marrow receives insufficient signals for erythropoiesis, resulting in
a low reticulocyte count despite anemia. Elevated CRP and ESR indicate systemic
inflammation, which further suppresses erythropoiesis through hepcidin-mediated iron
sequestration. An appropriate bone marrow response to anemia would show increased
reticulocytes; however, in CKD, the response is inadequate.
A nurse practitioner (NP) is evaluating a client with a history of chronic kidney
disease who reports symptoms of fatigue, weakness, and occasional shortness
of breath. The client notes a gradual onset of these symptoms over the past few
months. Which laboratory test(s) should the NP order? Select all that apply.
C-reactive protein
Erythrocyte sedimentation rate
Ferritin level
Basic metabolic panel
Complete blood count
Correct Answer:
C-reactive protein
Erythrocyte sedimentation rate
Ferritin level
Complete blood count
MIDTERM EXAM
Verified Questions & Answers With Rationales
Advanced Pathophysiology
Chamberlain
CONSINST OF 100 QUESTIONS
WEEKS 1 – 4 COVERED
,Which of the following client(s) should the nurse practitioner (NP) recognize as
being at risk for developing folate deficiency? Select all that apply.
A 30-year-old client with severe anorexia nervosa
A 19-year-old client with sickle cell disease
A 27-year-old client who is newly pregnant and breastfeeding their toddler
A 40-year-old client with celiac disease
A 32-year-old client who had a gastrectomy one year ago
Correct Answer:
A 30-year-old client with severe anorexia nervosa
A 27-year-old client who is newly pregnant and breastfeeding their toddler
A 40-year-old client with celiac disease
Expert Rationale:
Folate deficiency arises from inadequate dietary intake, increased metabolic demands,
or malabsorption. Severe anorexia nervosa limits nutritional intake. Pregnancy and
lactation significantly increase folate requirements due to rapid cell division and fetal
development. Celiac disease causes villous atrophy in the small intestine, impairing
folate absorption. Sickle cell disease increases folate needs due to high erythropoietic
turnover but is more commonly associated with folate depletion rather than being a
primary risk factor in the same category. Post-gastrectomy clients are at risk for B12
deficiency due to loss of intrinsic factor, not folate deficiency.
A nurse practitioner (NP) evaluates a 45-year-old client who presents with fatigue
and weakness. The NP diagnoses the client with anemia of chronic disease. What
is the primary pathophysiological mechanism causing this normocytic anemia?
Excessive blood loss
Defective erythropoiesis
Impaired iron absorption
Delayed maturation of erythrocyte precursors
Correct Answer: Defective erythropoiesis
Expert Rationale:
Anemia of chronic disease (ACD), also called anemia of inflammation, is primarily
driven by defective erythropoiesis. Inflammatory cytokines (IL-6) increase hepcidin
production, leading to iron sequestration within macrophages and reduced iron
availability for erythropoiesis. Additionally, chronic disease states blunt erythropoietin
(EPO) response and directly impair erythroid progenitor cell proliferation. While iron
,metabolism is dysregulated, the fundamental mechanism is defective red blood cell
production, not merely impaired absorption or blood loss.
A nurse practitioner (NP) evaluates a 28-year-old client who presents with fatigue,
jaundice, and dark-colored urine. The NP diagnoses the client with hemolytic
anemia. What is the most likely pathophysiological mechanism causing this
normocytic anemia?
Impaired iron absorption
Excessive blood loss
Defective erythropoiesis
Increased red blood cell destruction
Correct Answer: Increased red blood cell destruction
Expert Rationale:
Hemolytic anemia is classified as a normocytic anemia characterized by premature
destruction of red blood cells (RBCs) exceeding the bone marrow's compensatory
capacity. The hallmark clinical manifestations—jaundice, dark urine (bilirubinuria), and
fatigue—result from elevated unconjugated bilirubin and hemoglobin breakdown
products. Unlike iron deficiency (impaired absorption) or aplastic anemia (defective
erythropoiesis), hemolytic anemia stems from intrinsic RBC defects (e.g., sickle cell,
thalassemia) or extrinsic immune-mediated destruction.
Which client should the nurse practitioner (NP) recognize as most at risk for
developing hemolytic anemia?
60-year-old with a history of iron-deficiency anemia
35-year-old who recently underwent surgery for a bleeding ulcer
50-year-old who experienced a transfusion reaction after a blood transfusion
28-year-old with a family history of thalassemia
Correct Answer: 50-year-old who experienced a transfusion reaction after a blood
transfusion
Expert Rationale:
Hemolytic transfusion reactions represent acute or delayed immune-mediated
hemolysis caused by ABO incompatibility or alloantibodies against donor RBC antigens.
This triggers complement activation, intravascular hemolysis, and massive RBC
destruction. While thalassemia involves abnormal hemoglobin synthesis, it is a chronic
, inherited condition, not an acquired risk event. Iron-deficiency anemia and post-surgical
bleeding ulcers cause blood loss anemia, not hemolysis.
The nurse practitioner (NP) evaluates a 30-year-old client with chronic kidney
disease who presents with fatigue, weakness, and pallor. The laboratory results
reveal a low hemoglobin, increased c-reactive protein, and increased erythrocyte
sedimentation rate. The NP anticipates which additional laboratory finding?
Reticulocyte count is not relevant to anemia assessment
Decreased reticulocytes
Increased reticulocytes
Normal reticulocyte count
Correct Answer: Decreased reticulocytes
Expert Rationale:
In chronic kidney disease (CKD), anemia develops primarily from reduced erythropoietin
(EPO) production by peritubular fibroblasts in the renal cortex. Without adequate EPO
stimulation, the bone marrow receives insufficient signals for erythropoiesis, resulting in
a low reticulocyte count despite anemia. Elevated CRP and ESR indicate systemic
inflammation, which further suppresses erythropoiesis through hepcidin-mediated iron
sequestration. An appropriate bone marrow response to anemia would show increased
reticulocytes; however, in CKD, the response is inadequate.
A nurse practitioner (NP) is evaluating a client with a history of chronic kidney
disease who reports symptoms of fatigue, weakness, and occasional shortness
of breath. The client notes a gradual onset of these symptoms over the past few
months. Which laboratory test(s) should the NP order? Select all that apply.
C-reactive protein
Erythrocyte sedimentation rate
Ferritin level
Basic metabolic panel
Complete blood count
Correct Answer:
C-reactive protein
Erythrocyte sedimentation rate
Ferritin level
Complete blood count
