Hematology Short Questions and Answers

41 Given the following values, calculate the RPI Observed reticulocyte count - 6% Hct- 30%

A 2

B 3

C 4

D 5

View Answer

Answer: 2

42 During the Medullary Phase of hematopoietic development, which bone is the first to show hematopoietic activity?

A Femur

B Iliac Crest

C Skull

D Clavicle

View Answer

Answer: Clavicle

43 Which of the followong types of microscopy is valuable in the identification of crystals that are able to rotate light?

A Compound brightfield

B Darkfield

C Polarizing

D Phase-contrast

View Answer

Answer: Polarizing

44 After the microscope has been adjusted for Kohler illumination, light intensity should never be regulated by using the...

A Rheostat

B Neutral density filter

C Kohler magnifier

D Condenser

View Answer

Answer: Condenser

45 Lipid exchange between the RBC membrane and the plasma occurs:

A To replace lost lipids in the membrane

B To provide a mechanism for excretion of lipid-soluble RBC waste products

C To ensure symmetry between the composition of the interior and exterior lipid layers

D To provide lipid-soluble nutrients to the RBC

View Answer

Answer: To replace lost lipids in the membrane

46 Allergic reactions are frequently associated with an increase in the prescence of :

A Lymphocytes

B Neutrophils

C Monocytes

D Eosinophils

View Answer

Answer: Eosinophils

47 Normal Adult Hb A contains the following polypeptide chains:

A alpha and beta

B alpha and epsilon

C alpha and delta

D alpha and brotherton

View Answer

Answer: alpha and beta

48 Which types of cells develop from yolk sacs (Mesoblastic phase)?

A Hb F, Hg A2, and Hg A

B Gower 1 and Gower 2 Hgb

C Portland Hgb

D Only Erythroblasts

View Answer

Answer: Only Erythroblasts

49 At which month of fetal development does the bone marrow ecome the primary site of hematopoiesis??

A 2nd

B 5th

C End of 6th month

D End of 7th month

View Answer

Answer: End of 6th month

50 The shape of a cell is maintained by which of the following?

A Microtubules

B Spindle Fibers

C Ribosomes

D Centrioles

View Answer

Answer: Microtubules

51 A 1:20 dilution was made in a unopette, with glacial acetic acid as the diluent. The four corner squares on BOTH sides of the hemacytometer are counted for a total of 100 cells. What is the total WBC (x10^9/L.?

A 0.25

B 2.5

C 5

D 10

View Answer

Answer: 2.5

52 What is the recommended cleaner for removing all oil from objective lens?

A 70 % alcohol or lens cleaner

B Xylene

C Water

D Benzene

View Answer

Answer: 70 % alcohol or lens cleaner

53 Which of the following forms of Hb molecule has the lowest affinity for oxygen?

A Tense

B Relaxed

C Arterial

D Venous

View Answer

Answer: Tense

54 IN Chronic Lymphocytic Leukemia the Lymphocyte appearance: small or slightly larger than normal, hyper-condensed(almost ________ appearing. nuclear chromatin patter, bare nuclei called "smudge cells" are common.

A soccer-ball

B basketball

C football

D tennis-ball

View Answer

Answer: soccer-ball

55 absolute lymphocytosis without lymphadenopathy without hepatosplenomegaly, anemia, or thrombocytopenia is what stage in CLL prognosis Scoring-Rai Staging System?

A Stage 0

B Stage I

C Stage II

D Stage III

View Answer

Answer: Stage I

56 absolute lymphocytosis with either hepatomegaly or splenomegaly with or without lymphadenopathy is what stage in CLL prognosis Scoring-Rai Staging System?

A Stage 0

B Stage I

C Stage II

D Stage III

View Answer

Answer: Stage II

57 Which of the following is the most mature normoblast?

A Orthochromic Normoblast

B Basophilic Normoblast

C Pronormoblast

D Polychromatic Normoblast

View Answer

Answer: Orthochromic Normoblast

58 absolute lymphocytosis and thrombocytopenia( < 100,000/mm^3) with or without lymphadenopathy, hepatomegaly, splenomegaly, or anemia is what stage in CLL prognosis Scoring-Rai Staging System?

A Stage 0

B Stage I

C Stage II

D Stage IV

View Answer