Hematology questions Flashcards
Which one of the following is caused by vitamin B12 deficiency?
a. vitiligo
b. peripheral neuropathy
c. carcinoma of the stomach
d. macrocytic anemia
b. peripheral neuropathy
d. macrocytic anemia
Does veganism cause Folate deficiency?
No
Which statement is true about the reduction of folate?
a. it is inhibited by methotrexate
b. it occurs during thymidylate synthesis
c. it is inhibited by sulphonamide
d. vegan people are affected more
e. it needs vitamin B12
a. it is inhibited by methotrexate
The lab reports for a patient with low MCV show high serum ferritin
and low TIBC. What is the most likely cause for this patients anemia?”
a. hypothyroidism
b. iron deficiency
c. thalassemia
d. hemoglobinopathy
e. anemia secondary to inflammation
e. anemia secondary to inflammation
Specific signs and symptoms of iron deficiency anemia may include:
a. intermittent glossitis
b. angular cheilosis
c. Plummer-Vinson syndrome
d. dermatitis
All
Select the following that enhance iron absorption (select all that apply)
a. calcium
b. citric acid
c. ascorbic acid (Vitamin C)
d. polyphenols (tea)
b. citric acid
c. ascorbic acid (Vitamin C)
Iron is absorved in the ______
Duodenum
Signs/Symptoms of iron deficiency anemia may include all of the following except: " a. Dizziness (vertigo) b. Pallor of conjunctiva c. Tachypnoe d. Abdominal pain e. Tachycardia
d. Abdominal pain
Which are characteristic laboratory finding(s) for IDA?
a. Increased RDW
b. Decreased sTfR
c. Ovalocytes, elliptocytes, microcytes
d. Decreased MCV, MCH, MCHC
a. Increased RDW
d. Decreased MCV, MCH, MCHC
Which of the following normally contains >10% of body iron?
a. lymphocytes
c. heart
d. transferrin
e. macrophages
e. macrophages
What is the most important test for iron stores?
a. se transferrin
b. bone marrow biopsy
c. se Fe
d. TIBC
e. se ferritin
e. se ferritin
Where is most of non-heme iron found in the body?
a. in red blood cells
b. free in plasma
c. bound to transferrin
d. bound to IF
e. stored in the liver
e. stored in the liver
Which of the following statements is correct?
a. Hemorrhage is the major cause of iron deficiency in Hungary
b. A molecule of transferrin may transport 4 atoms of iron
c. A unit of blood contains 200-250 mg iron
d. A man needs to absorb about 1 mg of dietary iron daily
c. A unit of blood contains 200-250 mg iron
d. A man needs to absorb about 1 mg of dietary iron daily
Which of the following laboratory findings coincide with megaloblastic anemia?" a. increased LDH b. increased serum bilirubin c. increased transferrin d. increased serum iron
a. increased LDH
b. increased serum bilirubin
Which of the following is a normochromic, normocytic anemia:
a. anemia of chronic renal disease
b. sideroblastic anemia
c. iron deficiency
d. megaloblastic anemia
e. thalassemia
a. anemia of chronic renal disease
Microcytic anemia may be caused by:
a. Acute bleeding
b. alpha Thalassemia
c. Renal damage
d. Foliate deficiancy
e. Alcohol
b. alpha Thalassemia
Which of the following is not a cause of microcytic anemia?
a. pancytopenia
b. lead poisoning
c. thalassemia
d. iron deficiency anemia
e. anemia of chronic disease
a. pancytopenia
The most common form of sideroblastic anemia is:
a. Acquired, alcohol related
b. Hereditary, X-linked
c. Hereditary, autosomal recessive
d. hereditary, autosomal dominant
e. acquired, lead poisoning
a. Acquired, alcohol related
Which of the following is NOT true about sideroblastic anemia?
a. It may respond to erythropoietin
b. it may be inherited
c. it may cause splenomegaly
d. it may be caused by folate deficiency
e. it is most frequently caused by myelodysplasia
d. it may be caused by folate deficiency
All of the following statements regarding sideroblastic anemias are
correct, EXCEPT:”
a. sideroblastic anemic diseases result from impaired iron utilization and
defective Hb formation”
b. they may cause splenomegaly
c. they can be hereditary or acquired
d. iron stores in the bone marrow are decreased
e. they can be treated with pyridoxine to stimulate heme-synthesis
d. iron stores in the bone marrow are decreased
Aside from the gradual onset signs of anemia, what other clinical presentations do you expect to see in aplastic anemia?”
a. associated thrombocytopenia, e.g. history of bleeding from the gums
b. neutropenia, e.g. repeated bacterial infections
c. purpura
d. koilonychia, “spoon nails”
a. associated thrombocytopenia, e.g. history of bleeding from the gums
b. neutropenia, e.g. repeated bacterial infections
c. purpura
Aplastic anemia is a condition where:
a. there is deficiency of iron
b. there is deficiency of vitamin B12
c. there is deficiency of vitamin B6
d. the bone marrow does not produce enough blood cells
e. red blood cells are destroyed very fast in the circulation
d. the bone marrow does not produce enough blood cells
- What can cause aplastic anemia?
a. pregnancy
b. drugs and chemicals
c. viral infection
d. idiopathic
All
Select the statement about red blood cells that is incorrect?
a. Red blood cells contain hemoglobin
b. Deoxyhemoglobin carries oxygen
c. Mature red blood cells lack nuclei
d. Red blood cells lack mitochondria
e. proerythroblast has EPO receptors
b. Deoxyhemoglobin carries oxygen
- Signs/symptoms of sickle cell anemia may include:
a. Tachycardia
b. Dizziness (vertigo)
c. Abdominal pain
d. Pallor of conjunctiva
All
- What could be the clinical manifestation(s) of PNH?
a. decreased GFR
b. bone marrow aplasia, pancytopenia
c. normal se haptoglobin
d. iron deficiency
b. bone marrow aplasia, pancytopenia
d. iron deficiency
Porphyrias=
Rare inherited disorder
Problems making heme
Heme is made of
Porphyrin which is bound to iron
- Signs/symptoms of porphyrias may include:
a. abdominal pain
b. dermatitis
c. peripheral neuropathy
d. gallstone
a. abdominal pain
- Which of the following is NOT true about autoimmune hemolytic anemia?
a. it may complicate B cell chronic lymphocytic leukemia
b. it may be associated with IgM antibodies in serum
c. it may be due to drugs
d. it is associated with pernicious anemia
e. it is associated with a positive direct antiglobulin test
d. it is associated with pernicious anemia
- Hemolytic anemia can be caused by:
a. thalassemia
b. G6PD deficiency
c. PK deficiency
d. inflammation
a. thalassemia
b. G6PD deficiency
c. PK deficiency
- Where in the body is erythropoietin produced?
a. spleen
b. thyroid
c. liver
d. kidney
c. liver
d. kidney
- The primary cause of anemia of chronic renal disease is:
a. hydremia
b. blood lost in the urine
c. deficiency of iron
d. hemolysis resulting from capillary thrombosis
e. decreased erythropoietin synthesis
e. decreased erythropoietin synthesis
“38.When red blood cells are removed from the circulation, part of their
components are recycled while others are disposed. Select the incorrect
statement about destruction of red blood cells:”
a. biliverdin and bilirubin impart color to bile
b. macrophages in the liver and spleen destroy worn out red blood cells
c. iron is stored in RES in the form of ferritin
d. the greenish pigment, biliverdin, is recycled to the bone marrow
e. iron is carried to the bone marrow by a protein called transferrin
d. the greenish pigment, biliverdin, is recycled to the bone marrow
"39. What test would you do, besides history, CBC and blood smear, to confirm thalassemia? " a. Hb electrophoresis b. se bilirubin c. TIBC d. se ferritin e. se Fe
a. Hb electrophoresis
- Which of the following is true about alpha-thalassemia?
a. Presence of Bart’s Hb
b. Reduced production of alpha chain due to a point mutation
c. The Mentzer index usually is >13
d. Presence of HbH
a. Presence of Bart’s Hb
d. Presence of HbH
- Which of the following is true about α-thalassemia? Select one or more:
a. it is rare except in the Far East
b. it causes a microcytic hypochromic blood picture
c. it ameliorates β thalassemia
d. it may cause haemoglobin H disease
b. it causes a microcytic hypochromic blood picture
d. it may cause haemoglobin H disease
- Which would you expect to see on a blood smear for beta thalassemia?
a. Heinz bodies
b. hypochromic microcytic anemia
c. multinucleated neutrophils
d. target cells
b. hypochromic microcytic anemia
d. target cells
- Which of the following is true about β-thalassemia?
a. reduced production of β chain due to a point mutation
b. presence of HbH
c. increased HbF
d. the Mentzer index usually is >13
a. reduced production of β chain due to a point mutation
c. increased HbF
- Which of the following statements is true about β-thalassemia trait?
a. it is associated with a reticulocytosis
b. it may cause hemoglobin H disease
c. it is associated with splenomegaly
d. it is associated with a raised hemoglobin A2 level
e. it is associated with iron overload
d. it is associated with a raised hemoglobin A2 level
- Spherocytes in the blood film may occur in:
a. Iron deficiency anemia
b. Reticulocytosis
c. Thalassemia major
d. Autoimmune hemolytic anemia
e. Glucose-6-phosphate dehydrogenase (G6PD) deficiency
d. Autoimmune hemolytic anemia
- It is true about hereditary spherocytosis
a. it can be treated by splenectomy
b. it is due to pyruvate kinase deficiency
c. it is caused by an inherited defect in hemoglobin
d. it is more frequent in southern Europe
e. It is more common in males
a. it can be treated by splenectomy