Haematology Equations

Question 1

Mean Cell Volume (MCV) - involving haematocrit and RBC count

Answer 1

haematocrit/red blood cell count

Question 2

Mean Cell Volume (MCV) - involving RBCs

Answer 2

total volume of RBCs in sample / no of RBCs in sample

Question 3

Mean Cell Hemoglobin (MCH) - involving haemoglobin and RBC count

Answer 3

haemoglobin / RBC count

Question 4

Mean Cell Hemoglobin (MCH) - involving amount of Hb in given volume of blood and no of RBCs

Answer 4

amount of Hb in a given volume of blood / no of RBCs in the same vol of blood

Question 5

Mean cell haemoglobin concentration (MCHC) - involving Hb conc and haematocrit

Answer 5

Hb concentration / Haematocrit

Question 6

Mean cell haemoglobin concentration (MCHC) - involving Hb in blood and RBCs

Answer 6

amount of Hb in a given volume of blood / proportion of sample represented by RBCs

Question 7

MCV unit

Answer 7

L or fL OR usually x 10(to power of -15)l

Question 8

MCH unit

Answer 8

g or pg OR usually x 10 (to power of -12)g

Question 9

MCHC unit

Answer 9

g/dL or g/L

Question 10

what is haematocrit expressed as

Answer 10

percentage (%)

Question 11

unit for WBC count

Answer 11

usually x 10(to power of9)l

Question 12

unit for RBC count

Answer 12

usually x 10(to power of 12)l

Question 13

unit for haematocrit - 2

Answer 13

l/l or %

Question 14

unit for platelet count

Answer 14

l OR L or fL OR usually x 10(to power of 9)l

Question 15

how to memorise formulas : if there are 3 letters in the name, what is usually the denominator for the equation?

Answer 15

RBC as denominator

Question 16

how to memorise formulas : if there is a H in the name, what is the numerator in the equation?

Answer 16

Hb

Question 17

how to memorise formulas : if there are more letters what happens to the x? value?

Answer 17

more than 3 letters = 100