Miscellaneous Hematological Testing

Question 1

Principle of Microhematocrit

Answer 1

defined as the percentage of total blood volume occupied by erythrocytes

Question 2

Quality control of microhematocrit

Answer 2

Run in duplicate. must agree with + or - 1%

Question 3

Hematocrit reference range for male

Answer 3

42 to 52%

Question 4

Purpose of Erythrocyte sedimentation rate

Answer 4

it’s a nonspecific screening test for inflammation

Question 5

Procedure for ESR

Answer 5

place tube in stand vertically and undisturbed. read results after 60 mins

Question 6

Reagents for manual reticulocyte count

Answer 6

new methylene blue (supravital stain)

Question 7

Procedure for manual reticulocyte count

Answer 7

reticulocyte x 100 / 1000

Question 8

Specimen while testing ESR

Answer 8

Whole blood EDTA. room temp for 4 hours. refrigerated up to 24 hours. must be brought to room temp before using

Question 9

reference range for ESR

Answer 9

Male: 0-15 <50, 0-20 >50
Female: 0-20 <50, 0-30 >50

Question 10

Specimen testing for manual reticulocyte count

Answer 10

whole blood edta. can be stored room temp for 8 hours. refrigerated for up to 24