NR 603 CEA Final Exam Clinical
Diagnosis Comprehensive Review
and Practice Questions Study Guide
2026/2027: Advanced Exam
Preparation, Test Bank Review, and
Clinical Assessment Success Manual
Question 1:
A 60-year-old woman with a history of hypertension and type 2 diabetes presents with
progressive fatigue. Laboratory findings reveal microcytic hypochromic anemia.
Which of the following is the most likely diagnosis?
A. Aplastic anemia
B. Iron deficiency anemia
C. Hemolytic anemia
D. Pernicious anemia
Correct Answer: B. Iron deficiency anemia
Rationale: Iron deficiency anemia is the most common cause of microcytic
hypochromic anemia and is typically associated with chronic blood loss or poor iron
intake. The low mean corpuscular volume (MCV) and hypochromia strongly support
this diagnosis. Aplastic anemia presents with pancytopenia, hemolytic anemia is
usually normocytic with elevated reticulocytes, and pernicious anemia is a macrocytic
anemia caused by vitamin B12 deficiency.
Question 2:
A patient diagnosed with symptomatic aplastic anemia is being evaluated for long-
term management. Which of the following treatments is most appropriate?
A. Iron supplementation only
B. Bone marrow transplant with supportive transfusions and antibiotics
C. Oral vitamin B12 therapy
D. Anticoagulation therapy
Correct Answer: B. Bone marrow transplant with supportive transfusions and
antibiotics
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Rationale: Aplastic anemia is characterized by bone marrow failure leading to
pancytopenia. Definitive treatment in severe cases includes bone marrow
transplantation, along with supportive care such as PRBC, platelet transfusions, and
prophylactic antibiotics. Iron or B12 supplementation is ineffective unless a
deficiency is present.
Question 3:
A patient presents with severe fatigue, chest pain, and shortness of breath.
Hemoglobin is 6.5 g/dL. Which laboratory finding would most strongly suggest iron
deficiency anemia?
A. MCV 67 fL and MCHC 29 g/dL
B. MCV 100 fL and MCHC 34 g/dL
C. Elevated reticulocyte count
D. Elevated serum B12 level
Correct Answer: A. MCV 67 fL and MCHC 29 g/dL
Rationale: Iron deficiency anemia typically presents as microcytic (low MCV) and
hypochromic (low MCHC) anemia. The other options describe normocytic or
macrocytic patterns or conditions inconsistent with iron deficiency.
Question 4:
An elderly patient with a history of rectal cancer presents with pancytopenia,
dysplastic cells on peripheral smear, and recurrent infections. What is the most
appropriate next diagnostic step?
A. Iron studies
B. Bone marrow biopsy and flow cytometry
C. Vitamin B12 level
D. Coagulation profile
Correct Answer: B. Bone marrow biopsy and flow cytometry
Rationale: Pancytopenia with dysplastic cells suggests a bone marrow disorder such
as myelodysplastic syndrome or leukemia. Bone marrow biopsy with flow cytometry
is essential for definitive diagnosis. Other tests may provide supportive information
but are not diagnostic.
Question 5:
A patient with intrinsic factor autoantibodies is at greatest risk for developing which
condition?
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A. Iron deficiency anemia
B. Aplastic anemia
C. Pernicious anemia due to vitamin B12 deficiency
D. Hemolytic anemia
Correct Answer: C. Pernicious anemia due to vitamin B12 deficiency
Rationale: Intrinsic factor is essential for vitamin B12 absorption. Autoantibodies
against intrinsic factor lead to impaired absorption and pernicious anemia. Iron
deficiency and hemolytic anemia are unrelated to intrinsic factor dysfunction.
Question 6:
A 35-year-old man with sickle cell disease presents with severe pain in the chest, back,
and extremities. What is the most appropriate initial management?
A. Oral NSAIDs and discharge
B. Immediate splenectomy
C. Hospitalization for IV fluids and opioid analgesia
D. Blood transfusion only
Correct Answer: C. Hospitalization for IV fluids and opioid analgesia
Rationale: Sickle cell crisis requires prompt pain control and hydration to reduce
sickling and vaso-occlusion. Opioids are commonly required for severe pain.
Transfusion may be indicated in specific complications but is not first-line for
uncomplicated pain crises.
Question 7:
Which medication class has been shown to reduce mortality in patients with heart
failure?
A. Diuretics
B. Beta blockers
C. Calcium channel blockers
D. Nitrates
Correct Answer: B. Beta blockers
Rationale: Beta blockers improve survival in heart failure with reduced ejection
fraction by reducing sympathetic stimulation and myocardial oxygen demand.
Diuretics improve symptoms but do not reduce mortality.
Question 8:
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A patient taking methotrexate and ibuprofen presents with severe abdominal pain and
melena. What is the most likely diagnosis?
A. Pancreatitis
B. Gastric ulceration
C. Appendicitis
D. Diverticulitis
Correct Answer: B. Gastric ulceration
Rationale: NSAIDs such as ibuprofen can damage gastric mucosa, leading to ulcer
formation and gastrointestinal bleeding. Melena indicates upper GI bleeding.
Methotrexate may worsen mucosal toxicity.
Question 9:
An EGD biopsy in a patient with chronic GERD shows intestinal metaplasia with
goblet cells. What is the diagnosis?
A. Esophageal varices
B. Barrett’s esophagus
C. Esophageal cancer
D. Gastritis
Correct Answer: B. Barrett’s esophagus
Rationale: Barrett’s esophagus is defined by replacement of normal squamous
epithelium with intestinal-type columnar epithelium containing goblet cells. It is a
precancerous condition associated with chronic GERD.
Question 10:
Which method is most effective for removing a chemical irritant from the eye?
A. Eye patching
B. Topical antibiotics only
C. Flushing with Morgan lens
D. Warm compresses
Correct Answer: C. Flushing with Morgan lens
Rationale: Morgan lens irrigation allows continuous eye flushing, effectively
removing chemical irritants and reducing tissue damage. Patching or compresses are
not appropriate in chemical exposure.
Question 11: