Infection and Anemia

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Questions and Answers

Which classification of anemia can occur due to infection with Plasmodium?

  • Hemolytic anemia (correct)
  • Microcytic anemia
  • Autoimmune hemolytic anemia
  • Aplastic anemia

Which viral infection can cause hemolytic and/or autoimmune hemolytic anemia?

  • HSV
  • HIV (correct)
  • CMV
  • EBV

Which chronic illness is associated with anemia of chronic disease?

  • Hodgkin lymphoma
  • Osteomyelitis
  • Carcinoma of the lung
  • Rheumatoid arthritis (correct)

Which bacterial infection suppresses erythropoietin (EPO) production and the proliferation of erythroid progenitors?

<p>Clostridium perfringens (C)</p> Signup and view all the answers

Which infection can lead to acute anemia?

<p>Hookworm (A)</p> Signup and view all the answers

Which of the following is a characteristic of Parvoviridae?

<p>Non-enveloped virion (D)</p> Signup and view all the answers

Which cell type is the primary target for Parvovirus B19?

<p>Erythroid precursor cells (D)</p> Signup and view all the answers

Which of the following is a clinical manifestation of Parvovirus B19 infection?

<p>Erythema infectiosum (B)</p> Signup and view all the answers

Which type of anemia can occur in individuals with high red blood cell turnover and Parvovirus B19 infection?

<p>Transient Aplastic Crisis (D)</p> Signup and view all the answers

Which population is at risk for developing chronic Parvovirus B19 infection and severe anemia?

<p>Immunocompromised individuals (B)</p> Signup and view all the answers

Which virus is associated with transient aplastic crisis (TAC) in patients with underlying hemolytic disorders or high RBC turnover?

<p>Parvovirus B19 (B)</p> Signup and view all the answers

What is the diagnostic test of choice to detect viremia in immunodeficient patients with chronic Parvovirus B19 infection?

<p>PCR (A)</p> Signup and view all the answers

Which protozoan causes anemia by rupturing infected red blood cells (RBCs) and interfering with the production of erythropoietin?

<p>Plasmodium falciparum (C)</p> Signup and view all the answers

What is the vector for Babesia microti, a tick-transmitted protozoan that causes hemolytic anemia?

<p>Tick (Ixodes scapularis) (D)</p> Signup and view all the answers

What are the cellular targets for Parvovirus B19?

<p>Red blood cells (A)</p> Signup and view all the answers

Which type of helminth causes microcytic hypochromic anemia?

<p>Nematode (A)</p> Signup and view all the answers

What is the main mechanism of developing microcytic hypochromic anemia in A. duodenale and N. americanus infection?

<p>Iron deficiency (D)</p> Signup and view all the answers

Which helminth infection can lead to megaloblastic anemia?

<p>D. latum infection (A)</p> Signup and view all the answers

What is the main mechanism of developing megaloblastic anemia in D. latum infection?

<p>Impaired B12 absorption (C)</p> Signup and view all the answers

What are the main symptoms of megaloblastic anemia due to D. latum infection?

<p>Fatigue and weight loss (B)</p> Signup and view all the answers

Which type of anemia is characterized by the bone marrow producing unusually large, structurally abnormal, immature red blood cells?

<p>Megaloblastic anemia (A)</p> Signup and view all the answers

Which type of anemia is associated with decreased iron reserves in the body?

<p>Microcytic anemia (A)</p> Signup and view all the answers

Which type of anemia is characterized by the abnormal breakdown of red blood cells?

<p>Hemolytic anemia (D)</p> Signup and view all the answers

Which type of anemia is associated with a deficiency of all three blood cell types (red blood cells, white blood cells, and platelets)?

<p>Aplastic anemia (D)</p> Signup and view all the answers

Which type of anemia is caused by the body's immune system creating antibodies directed at red blood cell surface proteins?

<p>Autoimmune hemolytic anemia (B)</p> Signup and view all the answers

Which bacterial species causes severe anemia and is transmitted by sandfly bite in the Andes mountain region of Peru, Ecuador, and Colombia?

<p>Bartonella bacilliformis (B)</p> Signup and view all the answers

Which bacterium is known for causing epiglottitis and meningitis, and often colonizes the upper respiratory tract?

<p>Haemophilus influenzae B (B)</p> Signup and view all the answers

Which bacterium is ubiquitous in soil, water, and sewage, and is a normal microbial flora of the GI tract of animals and humans?

<p>Clostridium perfringens (D)</p> Signup and view all the answers

Which bacterium is associated with cellulitis, fasciitis, and myonecrosis, and produces toxins that degrade the phospholipids of the red cell membrane bilayer?

<p>Clostridium perfringens (B)</p> Signup and view all the answers

Which bacterium is a Gram-positive anaerobic rod, and is often found along with facultative or aerobic organisms in infections?

<p>Bacillus cereus (A)</p> Signup and view all the answers

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