HEMA BY SIR DINGLASAN Flashcards
In which of the following kinds of hemoglobin will one be able to find both the alpha and beta globin chains?
1.) Hemoglobin A
2.) Hemoglobin S
3.) Hemoglobin E
4.) Hemoglobin F
a. 1, 2, and 3
b. 1, 2, 3, and 4
c. 2 and 4
d. 1 and 3
1, 2, and 3
Which of the findings below will be helpful in differentiating folate deficiency from vitamin B12 deficiency?
1. Hypersegmented neutrophils
2. Anisocytosis
3. Hemoglobin level
4. Mean cell volume (MCV)
5. holoTC assay
a. 1, 2, 3, 4, and 5
b. 1, 2, 3, and 4
c. 3 and 5
d. 5 only
5 only
A blood smear is viewed through the microscope. In there, the erythrocytes appear redder than
normal, the neutrophils are barely visible, and the eosinophils are bright orange. What is the most probable cause?
a. The slide was not stained.
b. The stain was too alkaline.
c. The slide was not rinsed sufficiently.
d. The buffer was too acidic.
The buffer was too acidic.
Of the following tests listed below, which one must be drawn first?
a. ASAP
b. STAT
c. Timed
d. Fasting
STAT
All of the statements below are true for Glanzmann’s thrombasthenia, except:
a. Abnormal clot retraction
b. Normal bleeding time result
c. Abnormal aggregation response in adrenaline.
d. Abnormal aggregation response in collagen.
Normal bleeding time result
All of these are reagents used in platelet aggregometry, except:
a. Adrenaline
b. Collagen
c. Magnesium
d. ADP
Magnesium
From the choices below, select the ones that may be found in the alpha granules.
1. Plasminogen
2. Platelet-derived growth factor
3. Albumin
4. Protein C inhibitor
a. 1 and 4
b. 2 and 3
c. 1,2, 3 and 4
d. 1, 2 and 3
1,2, 3 and 4
Identify from the choices below the recognized kinds of eosinophil granules.
1.) Storage vesicles
2.) Azure dust
3.) Lipid bodies
4.) Gelatinase granules
a. 1 and 3
b. 2 and 4
c. 1, 2, 3, and 4
d. 2 and 3
1 and 3
The patient’s plasma demonstrates normal PT result and a prolonged APTT result. In the laboratory, the
Substitution Test was performed and gave the following results:
*Patient’s plasma mixed with Fresh Plasma: CORRECTED
*Patient’s plasma mixed with Aged Plasma: CORRRECTED
*Patient’s plasma mixed with Aged Serum: CORRECTED
*Patient’s plasma mixed with Adsorbed Plasma: CORRECTED
Most probably, what is the condition of the patient?
a. Hemophilia A
b. Owren’s disease
c. Factor VII deficiency
d. Either factor XI deficiency or factor XII deficiency
Either factor XI deficiency or factor XII deficiency
The definitive histologic characteristic of Hodgkin’s Lymphoma is:
a. Auer rods
b. Dohle bodies
c. Flame cell
d. Reed-Sternberg cell
Reed-Sternberg cell
All of the following statements refer to the characteristics of a plasma cell, except:
a. It has a deep blue and nongranular cytoplasm
b. It has an eccentric nucleus surrounded by a perinuclear clear zone.
c. The nucleus contains blocks of chromatin in a cartwheel configuration.
d. The voluminous cytoplasm contains vacuoles.
The voluminous cytoplasm contains vacuoles.
Hypersegmented neutrophils may be observed in all of the following cases, except:
1.) Folate deficiency
2.) Myelokathexis
3.) Pernicious Anemia
4.) Pelger-Huet Anomaly
a. 1,2, and 3
b. 1 and 2
c. 3 and 4
d. 4 only
4 only
In the blood smear of a patient suffering from megaloblastic anemia, the erythrocyte abnormalities that
would be observed include:
1.) Basophilic stipplings
2.) Hypersegmented neutrophils
3.) Howell-Jolly bodies
4.) Hyposegmented neutrophils
a. 1,2, and 3
b. 1 and 3
c. 3 only
d. 2 and 3
1 and 3
Hemoglobin Bart is an abnormal hemoglobin composed of:
a. Four beta globin chains
b. 2 alpha globin chains and 2 beta globin chains c. Four gamma globin chains
d. 2 alpha globin chains and 2 gamma globin chains
Four gamma globin chains
Which of the following laboratory results may be expected from a patient with hereditary spherocytosis?
a. Direct AHG test: negative
b. Mean Cell Hemoglobin Concentration: slightly decreased
c. EMA binding test: increased fluorescence
d. Osmotic Fragility Test: decreased osmotic fragility
Direct AHG test: negative
Cyclooxygenase is an enzyme that can be found in the:
1.) Primary granules of the neutrophils
2.) Lipid bodies of the eosinophils
3.) Dense tubular system (DTS) of the thrombocytes
a. 3 only
b. 1 and 2
c. 1, 2, and 3
d. 2 and 3
2 and 3
Which of the following may cause a falsely elevated hemoglobin value?
a. Presence of lysis-resistant RBCs with abnormal hemoglobins
b. High leukocyte count (greater than 20,000/μL)
c. High platelet count (greater than 700 x 109
/L)
d. All of these choices
All of these choices
One of the more severe signs of iron deficiency is pica. This term is defined as:
a. The craving for sweetened food items.
b. The spooning of the fingernails
c. Severe memory loss.
d. The craving for nonfood items.
The craving for nonfood items.
Which of the following is described to be a thrombin cofactor?
a. Thrombomodulin
b. GP Ib/IX/V
c. GP VI
d. GP IIb/IIIa
Thrombomodulin
In which red cell precursor does hemoglobin formation begin?
a. 1st precursor
b. 2nd precursor
c. 3rd precursor
d. 4th precursor
2nd precursor
Cold temperature (1 to 6 C) storage of the specimen can cause the activation of:
a. Thrombocytes
b. Stable factor
c. Factor IX
d. All of these
Stable factor
The PT and APTT will be prolonged when the fibrinogen concentration is:
a. >200 mg/dL
b. >400 mg/dL
c. <100 mg/dL
d. None of these
<100 mg/dL
In the deficiency of Stuart-Prower factor, a prolonged PT or APTT is corrected by the addition of:
1. Aged plasma
2. Aged serum
3. Adsorbed plasma
4. Fresh plasma
a. 1 and 3
b. 2, 3 and 4
c. 4 only
d. 1, 2, and 4
1, 2, and 4
In the deficiency of Prothrombin factor, a prolonged PT or APTT is corrected by the addition of:
1. Aged plasma
2. Aged serum
3. Adsorbed plasma
4. Fresh plasma
a. 1 and 4
b. 2, 3 and 4
c. 1, 2 and 3
d. 1, 2, and 4
1 and 4
Which of the following may be used for detecting Factor XIII deficiency?
a. 9% sucrose
b. 5M Urea
c. 5% NaCl
d. 1% ammonium oxalate
5M Urea
In the granulocytic series of maturation, what is the last stage to undergo mitosis?
a. 1st precursor
b. 2nd precursor
c. 3rd precursor
d. 4th precursor
3rd precursor
The reversal of UFH (unfractionated heparin) overdose is done using protamine sulfate. It is described as
a cationic protein extracted from:
a. Porcine mucosa
b. Salmon sperm
c. Moldy sweet clover
d. Green tea
Salmon sperm
The most common inherited hematological disease affecting humans is:
a. Sickle cell trait
b. Sickle cell anemia
c. Hereditary spherocytosis
d. Hermansky-Pudlak
Sickle cell anemia
Which of the following is considered as the storage site for vWF in the blood vessels?
a. Platelet alpha granules
b. Weibel-Palade bodies
c. Platelet dense granules d. None of these
Weibel-Palade bodies
While trying to determine the patient’s leukocyte differential count, you were able to observe 32 nucleated red cells in the blood film. If the patient’s initial WBC count is 47,221/µL, the corrected WBC count will be:
a. 35,700/uL
b. 35, 800/uL
c. 35,000/uL
d. 15, 110/uL
35, 800/uL
Which of the following stains may be used in order to demonstrate Howell-Jolly bodies in a blood smear?
1. Wright stain
2. Supravital stain
3. Feulgen reaction
a. 2 and 3
b. 3 only
c. 1, 2 and 3
d. 1 and 3
1, 2 and 3
The cases that follow are all characterized as lacking intrinsic factor, except:
1.) Pernicious anemia
2.) Chronic alcoholism
3.) H. pylori infection
4.) Thalassemia
5.) Gastrectomy
6.) Myelodysplastic syndrome
a. 1, 3, and 5
b. 2, 4 and 6
c. 2 and 4
d. 1, 2, 3, 4, 5, and 6
2, 4 and 6
All of these statements are true for the eosinophils, except:
a. It stores and transports plasminogen.
b. Moderate to severe eosinophilia is observed in helminthic infections.
c. It is classified as a phagocyte.
d. It is responsible for producing transcobalamin.
It is responsible for producing transcobalamin.
It is almost 1:00 in the morning when you arrived at the patient’s room and he is already deeply asleep. You need to draw a timed blood specimen from him. How must you proceed?
a. Do not wake him up and proceed with the blood collection quietly.
b. Softly wake the patient up before proceeding with the blood collection.
c. Make a loud noise while calling out the patient’s name.
d. Inform the physician or the nurse that you will come back later when the patient is already awake.
Softly wake the patient up before proceeding with the blood collection.
This is the coefficient of variation of RBC volume expressed as a percentage:
a. Mean cell volume
b. RBC histogram
c. Red cell distribution width
d. Reticulocyte count
Red cell distribution width
The typical laboratory results seen in cases of iron deficiency anemia include all of the following, except:
1.) High RDW
2.) Low MCV
3.) Decreased serum iron
a. 3 only
b. 2 and 3
c. 2 only
d. None of the choices
None of the choices
Compute for the MCH given the following data:
RBC count = 4.53 X 10(raised to the twelfth power per liter)
Hct = 32%
Hb = 8.7 g/dL
a. 19.21 pg
b. 192.05 pg
c. 2.72 pg
d. 27.19 pg
19.21 pg
Which of the following statements is true regarding megaloblastic anemia?
1.) It can be considered a case of hemolytic anemia.
2.) It can be considered a case of nutritional anemia.
3.) It is expected to show hypersegmented neutrophils in the blood films of affected patients.
4.) It may be caused by an autoimmune disease .
a. 2, 3, and 4
b. 3 and 4
c. 1, 2, 3, and 4
d. 3 only
1, 2, 3, and 4
Which of the following enzymes regulates the size of circulating VWF by cleaving ultra-long VWF multimers
(ULVWF) into shorter segments?
a. Fibrinolysin
b. TAFI
c. ADAMTS-13
d. Plasmin
ADAMTS-13
Dark blue-purple punctate granules that are distributed throughout the RBC cytoplasm appeared in the blood smear of a patient poisoned by lead. The described granules in this case are actually made of:
a. Iron
b. Beta globin chains of hemoglobin
c. DNA
d. RNA
RNA