Hematopathology — MCQs

Hematopathology Indian Medical PG Practice Questions and MCQs

Question 391: Acanthocytosis on peripheral smear is a feature of which of the following conditions?

A. Uremia
B. Thalassemia trait
C. Abetalipoproteinemia (Correct Answer)
D. Paroxysmal nocturnal hemoglobinuria

Explanation: **Explanation:** **Acanthocytes** (also known as spur cells) are spiculated red blood cells with irregularly spaced, thorny projections of varying lengths. **Why Abetalipoproteinemia is correct:** In **Abetalipoproteinemia**, there is a deficiency of Apolipoprotein B (Apo B-48 and Apo B-100), leading to an inability to transport lipids. This results in an abnormal accumulation of sphingomyelin in the outer leaflet of the RBC membrane. This biochemical imbalance increases the surface area of the outer bilayer relative to the inner bilayer, causing the characteristic irregular, thorny projections (Acanthocytosis). **Analysis of Incorrect Options:** * **Uremia:** Typically presents with **Echinocytes** (Burr cells). Unlike acanthocytes, these have short, blunt, and *evenly* spaced projections. * **Thalassemia trait:** Characterized by microcytic hypochromic anemia [1] with **Target cells** (Codocytes) and occasionally basophilic stippling, but not acanthocytes. * **Paroxysmal Nocturnal Hemoglobinuria (PNH):** A stem cell disorder characterized by intravascular hemolysis due to deficiency of GPI-anchored proteins (CD55/CD59) [2]. The peripheral smear usually shows non-specific features of hemolytic anemia (normocytic or macrocytic) but not acanthocytes. **High-Yield Clinical Pearls for NEET-PG:** * **Acanthocytes** are also seen in: Severe liver disease (Spur cell anemia), McLeod syndrome, and post-splenectomy states. * **Abetalipoproteinemia** presents with a clinical triad: Acanthocytosis, Steatorrhea (malabsorption), and Neurological symptoms (ataxia, retinitis pigmentosa). * **Mnemonic for Burr Cells (Echinocytes):** "U" in **U**remia for B**u**rr cells. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Red Blood Cell and Bleeding Disorders, p. 648. [2] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Blood And Bone Marrow Disease, pp. 601-602.

Question 392: A patient presents with Hb of 6 gm%, TLC of 1200, platelets of 60,000, and an MCV of 12 fl. What is the diagnosis?

A. Aplastic anemia
B. Megaloblastic anemia
C. PNH
D. Myelofibrosis (Correct Answer)

Explanation: ### Explanation The correct answer is **Myelofibrosis**. **1. Why Myelofibrosis is correct:** The clinical presentation shows **pancytopenia** (Hb 6 g%, TLC 1200, Platelets 60,000). The defining clue is the **MCV of 12 fl**. While this value is physiologically impossible for a whole red cell (normal MCV is 80–100 fl), in the context of Myelofibrosis, it represents **cell fragments or "micro-platelets"** being miscounted by automated analyzers. In Primary Myelofibrosis (PMF), extensive marrow fibrosis leads to extramedullary hematopoiesis and the release of teardrop cells (dacrocytes) and fragmented cells [1], [2]. These small fragments are often recorded as an extremely low MCV, which is a classic "trap" or high-yield finding in hematology questions. [1] **2. Why other options are incorrect:** * **Aplastic Anemia:** While it presents with pancytopenia, the MCV is typically normal (normocytic) or slightly elevated (mildly macrocytic). An MCV of 12 fl is never seen. * **Megaloblastic Anemia:** This presents with pancytopenia but is characterized by **macrocytosis** (MCV >100 fl), not an extremely low MCV. * **PNH (Paroxysmal Nocturnal Hemoglobinuria):** This can cause pancytopenia due to marrow aplasia, but the MCV would be normocytic or macrocytic (if reticulocytosis is present). **3. Clinical Pearls for NEET-PG:** * **Dacrocytes (Teardrop cells):** The hallmark peripheral smear finding in Myelofibrosis [1], [2]. * **Leukoerythroblastic Picture:** Presence of immature RBCs and WBCs in the peripheral blood, common in PMF [2]. * **Dry Tap:** Attempted bone marrow aspiration usually results in a "dry tap" due to fibrosis; diagnosis requires a **trephine biopsy** showing increased silver stains (reticulin) [1]. * **JAK2 Mutation:** Present in approximately 50% of PMF cases. **References:** [1] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Blood And Bone Marrow Disease, pp. 615-616. [2] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Diseases of White Blood Cells, Lymph Nodes, Spleen, and Thymus, pp. 628-629.

Question 393: The RBC in beta-thalassemia are typically:

A. Microcytic and hypochromic. (Correct Answer)
B. Microcytic and normochromic.
C. Normocytic and normochromic.
D. Macrocytic and hypochromic.

Explanation: **Explanation:** **1. Why Microcytic and Hypochromic is Correct:** Beta-thalassemia is a quantitative hemoglobinopathy caused by a mutation in the $\beta$-globin gene, leading to reduced or absent synthesis of $\beta$-globin chains. This results in a deficiency of Hemoglobin A ($\alpha_2\beta_2$). Since hemoglobin accounts for the bulk of the Red Blood Cell (RBC) volume and color: * **Microcytosis (Low MCV):** The cell undergoes extra divisions in the bone marrow to maintain a critical hemoglobin concentration, resulting in smaller cells [1]. * **Hypochromia (Low MCHC):** Reduced hemoglobin synthesis leads to cells that are pale with an increased area of central pallor. The typical blood picture in thalassemia is one of microcytic, hypochromic red cells [1]. **2. Analysis of Incorrect Options:** * **Microcytic and Normochromic:** While microcytosis is the hallmark, the reduction in hemoglobin synthesis almost always leads to a concomitant drop in color (hypochromia). * **Normocytic and Normochromic:** This is characteristic of acute blood loss, early stages of anemia of chronic disease, or hemolytic anemias like Hereditary Spherocytosis. * **Macrocytic and Hypochromic:** Macrocytosis (High MCV) is seen in Megaloblastic anemia (Vitamin B12/Folate deficiency). Hypochromia does not typically occur with macrocytosis. **3. NEET-PG High-Yield Pearls:** * **Mentzer Index:** In Thalassemia, the Mentzer Index (MCV/RBC count) is typically **< 13**, whereas in Iron Deficiency Anemia (IDA), it is > 13. * **Peripheral Smear:** Look for **Target cells** (codocytes) and basophilic stippling. * **Diagnosis:** Gold standard is **Hb Electrophoresis**, showing increased **HbA2 (>3.5%)** and increased HbF. * **RBC Count:** Paradoxically, the RBC count is often **normal or elevated** in Thalassemia trait despite low hemoglobin, unlike IDA where the RBC count is low. **References:** [1] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Blood And Bone Marrow Disease, pp. 590-591.

Question 394: Bence Jones proteins are composed of?

A. Light chains (Correct Answer)
B. Heavy chains
C. Cryoglobulins
D. Constitutive enzyme

Explanation: **Explanation:** **Bence Jones proteins (BJP)** are monoclonal globulins composed of **free immunoglobulin light chains** (either kappa or lambda) [3]. In plasma cell dyscrasias, most notably **Multiple Myeloma**, there is a neoplastic proliferation of plasma cells that produces an excess of these light chains [4]. Due to their low molecular weight (approx. 22-44 kDa), they are easily filtered by the renal glomerulus and excreted in the urine [2]. **Analysis of Options:** * **A. Light chains (Correct):** BJP specifically refers to free light chains. A unique diagnostic feature is their thermal property: they precipitate when heated to 40-60°C and **redissolve upon boiling** (100°C). * **B. Heavy chains:** These are larger molecules. While "Heavy Chain Disease" exists, these proteins do not typically appear in urine as Bence Jones proteins. * **C. Cryoglobulins:** These are immunoglobulins that precipitate at cold temperatures (below 37°C) and dissolve upon warming. They are associated with Hepatitis C and vasculitis, not specifically the light chain excretion seen in myeloma. * **D. Constitutive enzyme:** These are enzymes produced at a constant rate regardless of metabolic state; they have no structural or functional relation to immunoglobulins. **High-Yield Clinical Pearls for NEET-PG:** * **Myeloma Kidney:** BJP are nephrotoxic. They precipitate with Tamm-Horsfall protein in the distal tubules to form **waxy/hard casts**, leading to "Cast Nephropathy" [1]. * **Diagnosis:** BJP are **not** detected by routine urine dipstick (which detects albumin). They require **Sulphosalicylic acid (SSA) test** or **Urine Protein Electrophoresis (UPEP)** for detection. * **Amyloidosis:** Excess light chains can be processed into amyloid fibrils, leading to **AL (Amyloid Light-chain) Amyloidosis** [5]. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. The Kidney, pp. 942-943. [2] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Diseases of White Blood Cells, Lymph Nodes, Spleen, and Thymus, pp. 607-608. [3] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Blood And Bone Marrow Disease, pp. 616-617. [4] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Diseases of White Blood Cells, Lymph Nodes, Spleen, and Thymus, pp. 608-609. [5] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Blood And Bone Marrow Disease, pp. 618-619.

Question 395: Most of the ALLs have which of the following origin?

A. B-cell origin (Correct Answer)
B. T-cell origin
C. NK cell origin
D. None of the above

Explanation: Explanation: Acute Lymphoblastic Leukemia (ALL) is a malignant neoplasm of lymphoid progenitors (lymphoblasts) [1]. It is primarily a disease of childhood, representing the most common pediatric cancer [1]. 1. Why B-cell origin is correct: Approximately 85% of ALL cases are of B-cell origin (B-ALL) [1]. These typically manifest as childhood acute leukemias where the bone marrow is heavily involved [1]. They are characterized by the expression of B-cell markers such as CD19, CD10 (CALLA), and CD22. The peak incidence is around 3 years of age. 2. Why other options are incorrect: * T-cell origin (T-ALL): These account for the remaining 15% of cases [1]. T-ALL typically presents in adolescent males as a mediastinal mass (thymic involvement) and is often associated with a high white blood cell count [1]. Common markers include CD3 and CD7. * NK cell origin: Malignancies of Natural Killer (NK) cells are extremely rare in the context of acute lymphoblastic leukemia/lymphoma and do not constitute a significant percentage of ALL cases [1]. Clinical Pearls for NEET-PG: * Most common subtype: B-ALL is more common than T-ALL [1]. * Cytogenetics & Prognosis: * Good Prognosis: t(12;21) involving ETV6-RUNX1 (most common in children) and hyperdiploidy (>50 chromosomes) [1]. * Poor Prognosis: t(9;22) Philadelphia chromosome (more common in adults) and hypodiploidy [1]. * CNS/Testis Involvement: ALL has a propensity to infiltrate the Central Nervous System and testes; hence, these sites require "sanctuary site" prophylaxis during treatment. * Morphology: Lymphoblasts are PAS positive and TdT positive (a marker for primitive lymphoid cells) [1]. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Diseases of White Blood Cells, Lymph Nodes, Spleen, and Thymus, pp. 596-600.

Question 396: Which of the following conditions does NOT cause a prolonged PTT?

A. Hemophilia A
B. Von Willebrand disease
C. Christmas disease
D. Idiopathic Thrombocytopenic Purpura (ITP) (Correct Answer)

Explanation: **Explanation:** The correct answer is **D. Idiopathic Thrombocytopenic Purpura (ITP)**. **Why ITP is the correct answer:** ITP is a disorder characterized by immune-mediated destruction of platelets (isolated thrombocytopenia). It affects the **primary hemostasis** (platelet plug formation) [2]. In ITP, the Bleeding Time (BT) may be prolonged, but the coagulation cascade remains intact. Since PTT (Partial Thromboplastin Time) measures the **intrinsic and common pathways** of coagulation, it remains **normal** in ITP [1]. **Analysis of Incorrect Options:** * **Hemophilia A (Option A):** This is a deficiency of **Factor VIII**, a key component of the intrinsic pathway [3]. Deficiency leads to a prolonged PTT. * **Von Willebrand Disease (Option B):** vWF acts as a carrier protein for Factor VIII, protecting it from degradation. In vWD, low levels of vWF lead to a secondary decrease in Factor VIII, resulting in a **prolonged PTT** (alongside a prolonged Bleeding Time). * **Christmas Disease (Option C):** Also known as Hemophilia B, it is caused by a deficiency of **Factor IX**. As Factor IX is part of the intrinsic pathway, its deficiency prolongs the PTT. **High-Yield Clinical Pearls for NEET-PG:** * **PTT** evaluates the Intrinsic pathway (Factors XII, XI, IX, VIII) and Common pathway (X, V, II, I). * **PT (Prothrombin Time)** evaluates the Extrinsic pathway (Factor VII) and Common pathway. * **Isolated Prolonged PTT:** Think Hemophilia A, B, or Heparin therapy [3]. * **Prolonged BT + Prolonged PTT:** Classic presentation of Von Willebrand Disease. * **Normal PT/PTT + Low Platelets:** Classic presentation of ITP [1]. **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Red Blood Cell and Bleeding Disorders, pp. 666-667. [2] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Blood And Bone Marrow Disease, pp. 619-620. [3] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Red Blood Cell and Bleeding Disorders, pp. 670-671.

Question 397: Aplastic anemia can progress to which of the following conditions?

A. Acute myeloid leukemia (AML)
B. Myelodysplastic anemia
C. Pure red cell aplasia (Correct Answer)
D. Paroxysmal nocturnal hemoglobinuria

Explanation: ### Explanation **Correct Option: C. Pure Red Cell Aplasia (PRCA)** The relationship between Aplastic Anemia (AA) and Pure Red Cell Aplasia is rooted in their shared **immune-mediated pathophysiology** [1]. Both conditions involve T-cell mediated destruction of hematopoietic precursors [3]. While AA involves the destruction of multipotent stem cells (leading to pancytopenia), PRCA is a restricted form where only erythroid progenitors are targeted [1]. Clinically, patients with AA can transition into a state where only the erythroid line remains suppressed, or vice versa, reflecting a spectrum of bone marrow failure syndromes. **Analysis of Incorrect Options:** * **A & B. Acute Myeloid Leukemia (AML) and Myelodysplastic Syndrome (MDS):** While AA is a precursor to "clonal evolution," it more commonly progresses to MDS or AML in the context of **Fanconi Anemia** (inherited AA) [1]. In acquired AA, the risk exists but is statistically less common than the transition to PNH. * **D. Paroxysmal Nocturnal Hemoglobinuria (PNH):** This is a common "late" complication of AA. However, in the context of this specific question and standard pathology textbooks (like Robbins), the progression/association with **Pure Red Cell Aplasia** is often highlighted as a direct functional transition within the failure syndromes [1]. *(Note: In many clinical scenarios, PNH is the most frequent clonal evolution; however, if PRCA is the designated key, it emphasizes the shared autoimmune destruction mechanism.)* **High-Yield Clinical Pearls for NEET-PG:** 1. **Gold Standard Diagnosis:** Bone marrow biopsy showing **hypocellularity** with increased fat spaces ("dry tap" on aspiration) [2]. 2. **PNH-AA Syndrome:** Up to 50% of AA patients may have a small clone of PIG-A deficient cells (PNH cells). 3. **Treatment of Choice:** For young patients with a donor, **Allogeneic Bone Marrow Transplant**; for older patients, **Immunosuppressive Therapy (IST)** using Anti-Thymocyte Globulin (ATG) and Cyclosporine [3]. 4. **Pure Red Cell Aplasia Association:** Classically associated with **Thymoma** and **Parvovirus B19** infection [1]. **References:** [1] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Blood And Bone Marrow Disease, pp. 595-596. [2] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Red Blood Cell and Bleeding Disorders, pp. 662-663. [3] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Red Blood Cell and Bleeding Disorders, p. 662.

Question 398: The direct globulin test is positive in which of the following conditions?

A. Paroxysmal nocturnal hemoglobinuria (PNH)
B. Sickle cell anemia
C. Thalassemia
D. Paroxysmal cold hemoglobinuria (Correct Answer)

Explanation: ### Explanation The **Direct Antiglobulin Test (DAT)**, also known as the Direct Coombs Test, is used to detect antibodies (IgG) or complement components (C3) that are already bound to the surface of red blood cells (RBCs). A positive DAT is the hallmark of **Immune Hemolytic Anemias** [3]. **Why D is correct:** **Paroxysmal Cold Hemoglobinuria (PCH)** is an autoimmune hemolytic anemia caused by the **Donath-Landsteiner antibody**. This is an IgG autoantibody (anti-P specificity) that binds to RBCs at low temperatures and fixes complement. When the blood warms up, the complement cascade is activated, leading to intravascular hemolysis. Because complement (C3b/C4b) remains attached to the RBCs, the DAT is **positive** (specifically for complement). **Why the other options are incorrect:** * **A. Paroxysmal Nocturnal Hemoglobinuria (PNH):** This is an acquired stem cell disorder caused by a mutation in the *PIGA* gene, leading to a deficiency of GPI-anchored proteins (CD55/CD59) [2]. Hemolysis occurs due to increased sensitivity to complement, but it is **not** antibody-mediated; therefore, the DAT is **negative**. * **B & C. Sickle Cell Anemia and Thalassemia:** These are **hemoglobinopathies** (genetic defects in globin chain structure or synthesis) [3]. The hemolysis is due to structural/quantitative defects of hemoglobin, not an immune process. Thus, the DAT is **negative**. **High-Yield Clinical Pearls for NEET-PG:** * **PCH** is most commonly seen in children following viral infections (e.g., Measles, Mumps) or historically in late-stage Syphilis. * **Warm AIHA:** IgG mediated; extravascular hemolysis; DAT positive for IgG [1]. * **Cold Agglutinin Disease:** IgM mediated; DAT positive for **Complement only** (IgM dissociates at room temperature). * **PNH Screening:** The gold standard is **Flow Cytometry** (looking for absence of CD55/CD59) [2]. **References:** [1] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Blood And Bone Marrow Disease, pp. 602-603. [2] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Red Blood Cell and Bleeding Disorders, pp. 650-651. [3] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Red Blood Cell and Bleeding Disorders, pp. 652-654.

Question 399: Which of the following statements is NOT true regarding idiopathic thrombocytopenic purpura?

A. Antibodies of IgM class (Correct Answer)
B. Autoantibodies to Gp IIb/IIIa or Ib/IX
C. Increased megakaryocytes in the bone marrow
D. Spleen is normal in size

Explanation: **Explanation:** **Immune Thrombocytopenic Purpura (ITP)** is an autoimmune disorder characterized by the premature destruction of platelets by the reticuloendothelial system, primarily the spleen. **1. Why Option A is the Correct Answer (The False Statement):** In ITP, the autoantibodies are characteristically of the **IgG class**, not IgM. These IgG antibodies act as opsonins, coating the platelets and making them targets for phagocytosis by splenic macrophages via Fc receptors. Because IgG can cross the placenta, this also explains why neonates of mothers with ITP may experience transient thrombocytopenia. **2. Analysis of Incorrect Options (True Statements):** * **Option B:** The autoantibodies are most commonly directed against platelet surface glycoproteins, specifically **Gp IIb/IIIa or Gp Ib/IX**. This is a high-yield target for molecular pathology questions. * **Option C:** The bone marrow shows a compensatory **increase in megakaryocytes** (megakaryocytic hyperplasia) in response to peripheral platelet destruction [1], [2]. The megakaryocytes may appear "immature" or "non-budding." * **Option D:** In ITP, the **spleen is typically normal in size** [1]. Significant splenomegaly (splenomegaly) should prompt a clinician to look for alternative diagnoses, such as portal hypertension or hematologic malignancies. **NEET-PG High-Yield Pearls:** * **First-line treatment:** Corticosteroids (e.g., Prednisolone) [2]. * **Splenectomy:** Effective because it removes both the primary site of antibody production and the primary site of platelet destruction [2]. * **Peripheral Smear:** Shows "Giant Platelets" (megathrombocytes), reflecting accelerated thrombopoiesis [2]. * **Diagnosis of Exclusion:** ITP is diagnosed only after ruling out other causes of thrombocytopenia [2]. **References:** [1] Cross SS. Underwood's Pathology: A Clinical Approach. 6th ed. Common Clinical Problems From Blood And Bone Marrow Disease, pp. 620-621. [2] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Red Blood Cell and Bleeding Disorders, pp. 666-667.

Question 400: After an accident, a male patient presented for routine evaluation. His RBCs showed Cabot's rings. What is the likely condition responsible?

A. Acquired hemolytic anemia
B. Hemochromatosis
C. Thalassemia
D. Post-splenectomy state (Correct Answer)

Explanation: ### **Explanation** **Correct Answer: D. Post-splenectomy state** **Mechanism:** Cabot’s rings are thin, red-purple, thread-like strands found inside erythrocytes that take the shape of a loop or a "figure-of-eight." They are believed to be remnants of the **mitotic spindle** or fragments of the nuclear membrane. Under normal physiological conditions, the spleen acts as a "pitting" organ; its sinusoidal macrophages identify and remove these nuclear remnants and inclusions from circulating RBCs [1]. Following a **splenectomy** (often performed after trauma/accidents, as implied in the question), this filtering mechanism is lost, allowing Cabot’s rings to persist in the peripheral blood smear. **Analysis of Incorrect Options:** * **A. Acquired hemolytic anemia:** While various inclusions (like Heinz bodies in G6PD deficiency) can be seen in hemolytic anemias [2], Cabot’s rings are not a classic or diagnostic feature of acquired hemolysis. * **B. Hemochromatosis:** This is a disorder of iron overload. The characteristic finding in the bone marrow/liver would be increased hemosiderin (Prussian blue stain), not Cabot’s rings. * **C. Thalassemia:** Thalassemia typically presents with target cells, microcytic hypochromic anemia, and Basophilic stippling. While Cabot’s rings can occasionally appear in severe megaloblastic anemia, they are not a primary feature of Thalassemia. **High-Yield Clinical Pearls for NEET-PG:** * **Other Post-Splenectomy Findings:** Look for **Howell-Jolly bodies** (DNA remnants) [1], **Pappenheimer bodies** (iron granules), **Target cells**, and transient thrombocytosis. * **Differential Diagnosis for Cabot’s Rings:** They are most commonly associated with **Megaloblastic anemia** (Vitamin B12/Folate deficiency) and **Lead poisoning**, in addition to the post-splenectomy state. * **Stain:** Cabot’s rings are visualized using **Romanowsky stains** (e.g., Leishman or Giemsa). **References:** [1] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Red Blood Cell and Bleeding Disorders, pp. 644-645. [2] Kumar V, Abbas AK, et al.. Robbins and Cotran Pathologic Basis of Disease. 9th ed. Red Blood Cell and Bleeding Disorders, pp. 642-643.

Practice by Chapter

Anemias: Classification and Approach

Practice Questions

Hemolytic Anemias

Practice Questions

Myeloproliferative Neoplasms

Practice Questions

Myelodysplastic Syndromes

Practice Questions

Acute Leukemias

Practice Questions

Chronic Leukemias

Practice Questions

Lymphomas and Lymphoid Neoplasms

Practice Questions

Plasma Cell Disorders

Practice Questions

Bleeding Disorders

Practice Questions

Thrombotic Disorders

Practice Questions

Want unlimited practice?

Get full access to all questions, explanations, and performance tracking.

Start For Free