Lab Technician Loksewa Exam Model Questions 

1. Formation of blood cells is called:

A) Mitosis

B) Hemopoiesis #

C) Photosynthesis

D) Complement fixation

2. During blood dination, the removal of blood components is called:

A) Cytophresis

B) Plasmaphresis

C) Aphresis #

D) Leakophresis

3. In sickle cell anemia, red cell count is

A) Reduced #

B) Increased

C) Normal

D) None

4. Size of red blood cell is:

A) 7.9 um

B) 7.2 um #

C) 8.2 um

D) 2.2 um

5. The minimum weight of blood donor is:

A) 45 kg

B) 50 kg #

C) 55 kg

D) 60 kg

6. The lower limit of Hb in female blood donor is:

A) 10 gm/dl

B) 12 gm/dl #

C) 13 gm/dl

D) 14 gm/dl

7. The disease cannot be transmitted through transfusion of Blood is:

A) Hepatitis B

B) AIDS

C) Cancer #

D) Malaria

8. Red Blood cells can be frozen and stored up to:

A) 3 Year #

B) 5 year

C) 7 year

D) 8 year

9. 500ml whole blood contains plasma approximately:

A) 100 - 150ml

B) 200 - 250ml #

C) 300 - 350ml

D) 350 - 400ml

Lab Assistance Loksewa Exam Questions

10. Immunological reactions of blood transfusion include all except:

A) Allergic

B) Anaphylactic

C) Leak agglutinin

D) Circulatory overload #

11. Primary reaction of Ag-Ab interaction is:

A) Invisible #

B) Visible

C) pH dependent

D) No reaction

12. The condition in which Bleeding time does not become prolonged is:

A) Deficiency of vitamin K

B) Hemophilia

C) Thrombocytopenia

D) Afibrinoginemia #

13. Clotting time has normal value of:

A) 2 - 8min #

B) 3 - 6min

C) 4 - 5min

D) 6 - 8min

14. The Common Blood group among these is:

A) AB - Negative

B) B-Positive #

C) A-Negative

D) AB-Positive

15. Donation of blood can cause:

A) Malaria

B) AIDS

C) Hepatitis

D) No disease #

16. Whole blood is contraindicated except in:

A) Chronic anemia

B) Thrombocytopenia

C) Exchange transfusion #

D) Incipient Cardiac Failure

17. In embryonic life, the blood cell development stage is:

A) Hepatic stage

B) Mesoblastic stage #

C) Myeloid stage

D) Mature stage

18. All coagulation factores are stable at low freezing point except:

A) Factors V & VIII #

B) Factors IX & X

C) Factors IV & V

D) Factors II

19. The normal platelet count in adult is:

A) 100,000 - 300,000/cumm

B) 150,000 - 250,000/cumm

C) 150,000 - 450,000/cumm #

D) 200,000 - 300,000/cumm

20. In Blood, lack of intrinsic factors causes:

A) Sickle cell anemia

B) Pernicious anemia #

C) Target cell anemia

D) Iron deficiency anemia

21. The action of heparin is neutralized by

A) Histamine

B) Fluoride

C) Oxalate

D) Protamine #

22. Granulocytes contain granules in

A) Nucleus

B) Cytoplasm #

C) Mitochondria

D) Golgibodies

23. Three subsets of granulocytes are

A) Neutrophils, eosinophils and basophils #

B) Neutrophils, eosinophils and lymphocytes

C) Monocytes, eosinphils and neutrophils

D) Eosinophils, basophils and monocytes

24. All blood cells formation start from

A) Myeloblast

B) Pronormoblast

C) Multipotential cell #

D) Megakaryoblast

25. Granulocytopoiesis is derived from

A) Megakaryoblast

B) Megakaryocyte

C) Pronormoblast

D) Myeloid stem cell #

26. Granulocyte differentiation depends on

A) G-CSF

B) GM-CSF

C) IL-3

D) All of above #

27. Granulocyte development begins in

A) Lymph nodes

B) Thymus

C) Bone marrow #

D) All of above

28. All are true except

A) Myeloblast stage last for 24-48 hour

B) Promyelocyte stage lasts for 24 hour

C) Myelocyte stage lasts for 4-5 Days

D) Mitosis no longer occurs after metamyelocyte #

29. ......is the process of movement to tissues. - Carry out function of phagocytosis

(engulfing foreign substance).

A) Macrophage

B) Mast cell

C) Diapedesis #

D) Indentation

30. Hypersegmented neutrophil cell with six or more lobes can be seen in case of

A) Iron deficiency

B) Vit. B12 deficiency #

C) Calciaum deficiency

D) Phosphorus deficiency

31. Which is correct about hyposegmented neutrophil features?

A) Only two lobes present

B) Seen in pelger huet anomaly

C) It is a genetic disorder with an autosomal dominant inheritance pattern

D) All of Above #

32. Granulocytes normally are sloughed off in body secretions through

A) Urine

B) Saliva

C) Gastrointestinal secretions

D) All of Above #

33. Segmented neutrophilic granules produce antibacterial enzyme/enzymes which

kills/kill bacteria is/are

A) Lysosomal hydrolases

B) Lysozyme

C) Myeloperoxidase

D) All of Above #

34. Eosinophil contains just about ..... Large granules.

A) 100

B) 200 #

C) 300

D) 400

35. The Eosinophil is a specialized cell of the immune system first recognized by

A) Jenner

B) Thomas

C) Paul Ehrlich #

D) Fouchet

36. ......is a major growth factor for eosinophil cell.

A) IL -5 #

B) IL -7

C) IL -9

D) IL -11

37. Which enzyme is absent in eosinophil?

A) Acid phosphatase

B) Peroxidase

C) Lysozyme #

C) All of above

38. Basophil function is inhibited by

A) CD100

B) CD200 #

C) CD300

D) CD400

39. All are Plasma proteins except

A) Albumin

B) Peroxidase #

C) Globulins

D) Fibrinogens

40. Which plasma proteins is involved in antibodies formation

A) Neutrophil

B) Eosinophil

C) Basophil #

D) Lymphocyte

41. Which leukocytes do not form myeloid stem cells?

A) Neutrophil

B) Eosinophil

C) Basophil

D) Lymphocyte #

42. Which is false about RBCs?

A) Contain haemoglobin

B) Have lobed nuclei #

C) Life span 120 days

D) Bioconcave shaped discs

43. Rank following leukocytes in order of abundance.

A) Neutrophils lymphocytes eosinophil monocyte basophils

B) Neutrophils basophils lymphocytes monocyte esinophils

C) Neutrophils eosinophils lymphocytes monocyte basophils

D) Neutrophils lymphocytes monocyte eosinophils basophils #

44. What type of blood cell destroys parasites?

A) Neutrophils

B) Monocyte

C) Eosinophils #

D) Basophils

45. Blood cell that is not spherical

A) Neutrophil

B) Monocyte

C) Erythrocyte #

D) Lymphocyte

46. Granulocyte with the smallest granules

A) Neutrophil #

B) Eosinophil

C) Basophil

D) Mast Cell

47. The most abundant blood cell is

A) Leucocytes

B) Platelets

C) Erythrocytes #

D) Neutrophils

48. Abnormal discharge of blood from a vessel is called

A) Hemophilia

B) Hemorrhage #

C) Hemopoeisis

D) None of above

49. Variation is the size of RBCs is called

A) Ameboid movement

B) Anaemia

C) Anticoagulant

D) Anisocytosis #

50. What is measured by RDW red blood cell indice?

A) Average weigh of hemoglobin within a RBC

B) Average size of a single RBC

C) Variation in Size of RBCS #

D) Variation in Shape of RBCS

51. What are the advantages of the AUTOMATIC method for performaning a

differential cell count ?

A) More Convenient

B) Can inspect abnormal Wbcs

C) Faster

D) Both a and c #

52. Why must WBCs be stained when performing a manual differential cell count ?

A) Because they are larger

B) Because they are granular

C) Because they are spherical

D) Because they are clear and colorless #

53. Blood group A2 is distinguished clinically by the use of a lectin from the plant

Dolichos biflora which agglutinates blood group type......

A) A1 and A2 cells

B) A1 but not type A2 cells #

C) A2 but type A1 cells

D) Neither A1 nor A2 Cells

54. Which is the source of diatary fatty acids ?

A) Triglcerols

B) Phospholipids

C) Seterol esters

D) All of the Above #

55. where does digestion of dietary tricylglycerols occur ?

A) Doudenum #

B) Jejunum

C) Ileum

D) All of above

56. Digestion of triacylglycerols is facilitated by

A) Calcium

B) Phosphorus

C) Intrinsic factor

D) Bile salts #

57. what are the requirements to convert acetyl CoA into Malonyl CoA ?

A) it is catalyzed by acetyl CoA carboxylase

B) HCO and ATP are Required

C) Boitin is the coenzyme

D) All of Above #

58. Fatty acids are stored in the form of triacylglycerols (TG) in the ....... in adipocyte

(cell).

A) Nucleus

B) Cytoplasm #

C) Mitochondria

D) Lysosome

59. Fatty acids connot be used for fuel by brain and other nervous tissue because FA

is impermeable for blood - brain barrier, But Erythrocytes are due to

A) Bicancave disc shape

B) Absence of nucleus

C) Presence of Haemoglobin

D) Lack of mitochondria #