Hematology Practice Test (Part 2) | Cheat Sheet Hematology

Practice Tests: Hematology

Disclaimer: The following practice questions were originally made by the owner and

are based solely on the notes provided that are lifted from references of the

subject. Please use at your own risk.

TOPICS: Hematocrit, Hemocytometer, PBS,

Other Cell Counts, ESR, OFT, Blood

Indices, RBC and WBC Anomalies,

Automation, Cytochemistry

1. A patient went to the laboratory with

a request for RBC count with

hemoglobin and hematocrit. Her

laboratory results were as follows:

RBC count: 4.3 x 1012/L

Hemoglobin: 16.5 g/dL

Morphology: Normocytic/chromic

What is the value of the hematocrit

that can be correlated with the given

laboratory results?

A. 0.45 L/L

B. 49.5 L/L

C. 0.50 L/L

D. 4.95 L/L

2. In a Wright-stained malarial smear,

which among the choices is paired

CORRECTLY?

I. Thin smear: Stained the same way

as PBS but uses brilliant cresyl

blue as buffer.

II. Thick smear: Stained the same way

as PBS thus, staining starts in

the fixative.

III. Thick smear: It must be

too thick that printed letters

cannot be seen through it.

IV. Thin smear: A wedge-shaped smear

that identifies species of

malarial parasite.

3. Which among the given methods does/do

not use sodium oxalate as

anticoagulant?

I. Bray

II. Sanford-Magath

III. Van Allen

IV. Wintrobe

A. I and III

B. II and III

C. I and IV

D. II and IV

4. A trapped plasma is defined as the

amount of plasma that remains in

the RBC portion after

centrifugation. Which of the

following conditions may initiate

this event?

A. Megaloblastic anemia

B. Acute blood loss

C. Infectious mononucleosis

D. May-Hegglin Anomaly

5. In electrical impedance, flow

cytometer is used to measure the

light scattering properties of

cells. The number of cells present

is proportional to the angle of

light determined.

A. Only the FIRST statement is

correct.

B. Only the SECOND statement is

correct

C. Both statements are CORRECT

D. Both statements are INCORRECT

6. In a WBC histogram, three peaks are

present. The first peak is

represented by what type of cells?

A. Monocytes

B. Lymphocytes

C. Granulocytes

D. Blast Cells

7. This inclusion is only visible when

supravital staining is used.

A. Basophilic stippling

B. Cabot rings

C. Heinz bodies

D. Pappenheimer bodies

8. Which of the following blood

finding is associated with the

presence of ringed sideroblasts in

the bone marrow?

I. Increased serum iron

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Disclaimer: The following practice questions were originally made by the owner and are based solely on the notes provided that are lifted from references of the

TOPICS: Hematocrit, Hemocytometer, PBS, Other Cell Counts, ESR, OFT, Blood Indices, RBC and WBC Anomalies, Automation, Cytochemistry

1. A patient went to the laboratory with a request for RBC count with hemoglobin and hematocrit. Her laboratory results were as follows: RBC count: 4.3 x 1012 /L Hemoglobin: 16.5 g/dL Morphology: Normocytic/chromic What is the value of the hematocrit that can be correlated with the given laboratory results? A. 0.45 L/L B. 49.5 L/L C. 0.50 L/L D. 4.95 L/L 2. In a Wright-stained malarial smear, which among the choices is paired CORRECTLY? I. Thin smear: Stained the same way as PBS but uses brilliant cresyl blue as buffer. II. Thick smear: Stained the same way as PBS thus, staining starts in the fixative. III. Thick smear: It must be too thick that printed letters cannot be seen through it. IV. Thin smear: A wedge-shaped smear that identifies species of malarial parasite. 3. Which among the given methods does/do not use sodium oxalate as anticoagulant? I. Bray II. Sanford-Magath III. Van Allen IV. Wintrobe A. I and III B. II and III C. I and IV D. II and IV **4.

A trapped plasma is defined as the amount of plasma that remains in the RBC portion after centrifugation. Which of the following conditions may initiate this event?** A. Megaloblastic anemia B. Acute blood loss C. Infectious mononucleosis D. May-Hegglin Anomaly 5. In electrical impedance, flow cytometer is used to measure the light scattering properties of cells. The number of cells present is proportional to the angle of light determined. A. Only the FIRST statement is correct. B. Only the SECOND statement is correct C. Both statements are CORRECT D. Both statements are INCORRECT 6. In a WBC histogram, three peaks are present. The first peak is represented by what type of cells? A. Monocytes B. Lymphocytes C. Granulocytes D. Blast Cells 7. This inclusion is only visible when supravital staining is used. A. Basophilic stippling B. Cabot rings C. Heinz bodies D. Pappenheimer bodies 8. Which of the following blood finding is associated with the presence of ringed sideroblasts in the bone marrow? I. Increased serum iron

Disclaimer: The following practice questions were originally made by the owner and are based solely on the notes provided that are lifted from references of the

II. Increased percent transferrin saturation III. Increased serum ferritin IV. Increased total iron-binding capacity A. I only B. I and II only C. I, II, and III only D. All are correct

9. The RBC indices of a patient is reported as follows: MCV: 75 fL MCH: 30 pg MCHC: 34 g/dL How will the RBC morphology be reported? A. Normocytic, Normochromic B. Microcytic, Hypochromic C. Macrocytic, Hypochromic D. Microcytic, Normochromic 10. Which of the following practices will not cause an error in hematocrit determination? A. Mary set the centrifugation speed of the microfuge at 2000rpm for 2 minutes. B. Lyka collected venous blood with a volume of 1mL for a 2 mL EDTA tube. C. Lany collected the sample in a non-anticoagulated capillary tube. D. Mike inverted the EDTA tube eight times after sample collection and left the sample on the laboratory workspace. 11. An increased value of this parameter indicates the presence of hemolytic anemia. A. Hemoglobin B. Hematocrit C. Reticulocyte Count D. Erythrocyte Count 12. This condition is characterized by decreased resistance of cell to osmotic lysis. A. Hereditary hemochromatosis B. Hereditary elliptocytosis C. Hereditary spherocytosis D. Hereditary stomatocytosis 13. The rule of three for hematocrit determination can only be used if the RBCs are normocytic and normochromic. In this rule, RBC count is multiplied to three then is divided to 10. A. Only the FIRST statement is correct B. Only the SECOND statement is correct C. Both statements are CORRECT D. Both statements are INCORRECT 14. Which of the following INCORRECTLY describes the Levy Hemocytometer with Improved Neubauer Ruling? A. Three large squares of the hemocytometer have equivalent length of 3mm. B. There are four large corner squares used for counting WBCs and they contain 25 smaller squares each. C. 0.1 mm is denoted as the distance between the coverslip and the counting chamber. D. The 2 chambers of the hemocytometer can be used for counting RBCs, WBCs, and platelets. 15. Which of the following is a WBC diluting fluid? A. Gower’s Solution B. Turk’s Solution C. Strong’s Solution D. Rees and Ecker Solution

Disclaimer: The following practice questions were originally made by the owner and are based solely on the notes provided that are lifted from references of the

31. What is the enzyme deficient in Niemann-Pick Disease? A. Alpha-galactosidase B. Hexosaminidase A C. Sphingomyelinase D. Beta-glucocerebrosidase 32. These stains differentiate AML for ALL, EXCEPT: I. Myeloperoxidase II. Sudan Black B III. Periodic Acid Schiff IV. Perl’s Prussian Blue A. I and II B. II and III C. III and IV D. I and IV For numbers 33 - 36. Match the Hematologic Stain and the structures that they are able to stain. A. Glycogen B. Neutrophils and mast cells C. Monocytes D. Iron **33. Specific Esterases

Perl’s Prussian Blue
Periodic Acid Schiff
Non-specific Esterases
Uneven distribution of blood in a** peripheral blood smear is most likely caused by: A. Dirty spreader slide B. Increased or decreased angle of the spreader slide C. Smear is done after some time after it is placed in a slide D. The drop of blood is too small. 38. In a peripheral blood smear, which among the following is correctly stained? I. A smear with an eosinophil that demonstrates dark blue granules. II. A smear that is excessively blue upon microscopic examination. III. A smear that demonstrates purplish blue color of the nuclei of leukocytes IV. A smear which shows orange to salmon-pink colored erythrocytes. A. I and II B. II and III C. III and IV D. I and IV 39. All of the following are Romanowsky stains, EXCEPT: A. Jenner B. Giemsa C. Wright D. Ponceau S 40. Which among the following is/are CORRECTLY paired? I. 20 minutes is needed for the initial rouleaux formation stage of ESR. II. At a constant rate, rapid settling occurs for about 40 minutes. III. 10 minutes is allotted for the second stage rouleaux formation of erythrocytes. IV. The final 10 minutes is allotted for the final sedimentation of the erythrocytes. A. I and III B. I and IV C. II and III D. II and IV

Disclaimer: The following practice questions were originally made by the owner and are based solely on the notes provided that are lifted from references of the

41. If the plasma composition has increased concentration of fibrinogen, ESR will also be increased. On the otherhand, if the protein, albumin, is present in high concentrations, ESR will be decreased. A. Only the FIRST statement is correct B. Only the SECOND statement is correct C. Both statements are CORRECT D. Both statements are INCORRECT 42. Which of the following statements are TRUE? (Clue: 2 answers) A. A cell with an increased osmotic fragility is susceptible to lysis B. A cell with an increased osmotic fragility is resistant to lysis. C. A cell with a decreased osmotic fragility is susceptible to lysis. D. A cell with a decreased osmotic fragility is resistant lo lysis. 43. What is the component that makes a solution hypotonic? A. Increased amount of distilled water B. Increased amount of salt C. Decreased amount of distilled water D. Decreased amount of salt 44. In a Miller Disk, what square is used for counting reticulocytes? A. Square A B. Square B C. Square C D. Square D 45. The diluting fluid for eosinophil count has the following compositions. Which among the following is/are correctly matched with their function? I. Heparin: Prevents clumping of WBCs II. Sodium Carbonate: Lyses RBCs III. Propylene Glycol: Lyses WBCs except eosinophils IV. Phyloxine B: Stains eosinophil red A. I and II B. II and III C. III and IV D. I and IV

Hematology Practice Test (Part 2), Cheat Sheet of Hematology

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