Some of Common Questions and Answers for Blood Technicians and Technologists.
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Questions 401 to 450
- Which one of the following develops the blood bank?
- Sir Alexander Godefroy
- Sir Charles Richard Drew ✔
- Sir John Biggins
- Sir Louis Braille
- Formation of blood cell is called:
- Mitosis
- Hemopoiesis ✔
- Photosynthesis
- Complement fixation
- During blood donation, the removal of blood components is called:
- Cytophresis
- Plasmaphresis
- Aphresis ✔
- Leakophresis
- In Sickle cell anemia, red cell count is :
- Reduced ✔
- Increased
- Normal
- None
- Size of red blood cell is:
- 10 micro meter
- 7 micro meter ✔
- 8 micro meter
- 2 micro meter
- The minimum weight of blood donor should be:
- 45kg
- 50kg ✔
- 55kg
- 60Kg
- The lower limit of Hb in female blood donor is:
- 10 gm/dl
- 12 gm/dl ✔
- 13 gm/dl
- 14 gm/dl
- The disease cannot be transmitted through transfusion of blood is:
- Hepatitis B
- AIDS
- Cancer ✔
- Malaria
- Red blood cells can be frozen and stored up to:
- 3 years ✔
- 5 years
- 7 years
- 8 years
- 500ml whole blood contains plasma approximately:
- 100 to 150ml
- 200 to 250ml ✔
- 300 to 350ml
- 350 to 400ml
- Immunological reactions of Blood transfusion include all except:
- Allergic
- Anaphylactic
- Leak agglutinin
- Circulatory overload ✔
- Primary reaction of Ag-Ab interaction is:
- Invisible ✔
- Visible
- pH dependent
- No reaction
- The conditions in which Bleeding time does not become prolonged is:
- Deficiency of vitamin K
- Hemophilia
- Thrombocytopenia
- Afibrinoginemia ✔
- Clotting time has normal value of:
- 2 to 8 min ✔
- 3 to 6 min
- 4 to 5 min
- 6 to 8 min
- The common Blood group among these is:
- AB-Negative
- B-Positive ✔
- A-Negative
- AB-Positive
- Donation of blood can cause:
- Malaria
- AIDS
- Hepatitis
- No disease ✔
- Whole blood is contraindicated except in:
- Chronic anemia
- Thrombocytopenia
- Exchange transfusion ✔
- Incipient Cardiac failure
- In embryonic life, the blood cell development stage is:
- Hepatic stage
- Mesoblastic stage ✔
- Myeloid stage
- Mature stage
- All coagulation factors are stable at low freezing point except:
- Factors V & VIII ✔
- Factors IX & X
- Factors IV &V
- Factors II
- The normal platelet count in adult is:
- 100,000 to 300,000 mm3
- 150,000 to 250,000 mm3
- 150,000 450,000 mm3 ✔
- 200,000 300,000 mm3
- In Blood, lack of intrinsic factors causes:
- Sickle cell anemia
- Pernicious anemia ✔
- Target cell anemia
- Iron deficiency anemia
- MC blood transfusion reaction is:
- Febrile non-hemolytic transfusion reaction ✔
- Hemolysisc
- Transmission of infections
- Electrolyte imbalance
- All of the following infections may be transmitted via bloodtransfusion, except:
- Parvo B-19
- Dengue virus ✔
- Hepatitis G
- Cytomegalovirus
- Which of the following is the least likely complication aermassive blood transfusion ?
- Hyperkalemia
- Citrate toxicity
- Hypothermia
- Metabolic acidosis ✔
- Fresh hold blood transfusion is done with in how much timeof collection ?
- Immediately
- 1 hours
- 4 hours
- 24 hours ✔
- Which of the following investigations should be doneimmediately to best confirm a non matched blood transfusionreaction ?
- Indirect Coomb’s test
- Direct Coomb’s test ✔
- Antibody in patient’s serum
- Antibody in donor serum
- Blood components products are:
- Whole blood
- Platelets
- Fresh frozen plasma
- Leukocyte reduced RBC
- All of the above ✔
- One unit of fresh blood arises the Hb% concentration by:
- 0.1 gm%
- 1 gm% ✔
- 2 gm%
- 2.2 gm%
- Which of the following statements about acute hemolytic blood transfusion reaction is true ?
- Complement mediated hemolysis is seen ✔
- Type III hypersensitivity is responsible for most cases
- Rarely life threatening
- Renal blood ow is always maintained
- No need for stopping transfusion
- True about blood transfusions:
- Antigen ‘D” determines Rh positivity ✔
- Febrile reaction is due to HLA antigens
- Anti-d is naturally occurring antibody
- Cryoprecipitate contains all coagulation factors
- Which of the following is better indicator of need fortransfusion ?
- Urine output
- Hematocrit ✔
- Colour of skin
- Clinical examination
- Massive blood transfusion is defined as:
- 350 ml in 5 min
- 500 ml in 5 min
- 1 litre in 5 min
- Whole blood volume ✔
- How long can blood stored with CPDA?
- 12 days
- 21 days
- 35 days ✔
- 48 days
- Massive transfusion in previous healthy adult male can cause hemorrhage due to:
- Increased t-PA
- Dilutional thrombocytopenia ✔
- Vitamin K deficiency
- Decreased Fibrinogen
- Arterial blood gas analysis in a bottle containing heparincauses a decrease in value of:
- pCO2
- HCO3
- pH
- All of the above ✔
- Massive blood transfusion is defined as:
- Whole blood volume in 24 hours ✔
- Half blood volume in 24 hours
- 40% blood volume in 24 hours
- 60% blood volume in 24 hours
- After blood transfusion the febrile non-hemolytic transfu-sion reaction (FNHTR) occurs due to ?
- Alloimmunization
- Antibodies against donor leukocytes and HLA Ag ✔
- Allergic reaction
- Anaphylaxis
- Blood grouping and cross-matching is must prior to infusionof:
- Gelatin
- Dextran ✔
- Albumin
- FFP
- Blood grouping and cross matching is must prior to infusionof:
- Gelatin
- Albumin
- Dextran ✔
- Hemaceal
- Collection of blood for cross matching and grouping is done before administration of which plasma expander ?
- Hydroxyl ethyl starch
- Dextran ✔
- Mannitol
- Hemacele
- Mismatched blood transfusion in anesthetic patient presentsis:
- Hyperthermia and hypertension
- Hypotension and bleeding from site of wound ✔
- Bradycardia and hypertension
- Tachycardia and hypertension
- What is Anticoagulant ?
- Liques which stop Bleeding
- Chemical which prevent bleeding
- Salt That allow Blood to clot
- All of above ✔
- none of above
- Most common Chemical that used as blood bank anticoagulant ?
- EDTA
- Heparin
- Tri-Sodium Citrate ✔
- Double Oxalate
- Advantage of blood donation to donor
- Free health Check up
- Reduce iron in body
- Decrease Heart disease
- All of above ✔
- Before 24 hour which type of donor avoide for donation ?
- Person who drunk Alcohol ✔
- Dental Extraction Patient
- Menstrual bleed women
- All of above
- Which needle used for blood donation ?
- 21g
- 10g
- 16g ✔
- 23g
- Which of the following not testing as a transfusion related infection in blood bank ?
- Hepatitis A ✔
- Malaria
- AIDS
- HIV
- 450 ml of blood require how much amount of anticoagulant ?
- 49ml
- 63ml ✔
- 50ml
- 36ml
- RH Blood grouping discoverd by ?
- Karl Landsteiner + Weiner ✔
- Weiner + Alexander Fleming
- Alexander Fleming
- Karl Landsteiner
- RH Antigen present on ?
- Chromosome 19
- Chromosome 1 ✔
- Chromosome 9
- Chromosome 16
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