CLINICAL MEDICINE

MEDICINE

HAEMATOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Define mean cell volume (MCV).
A
The average volume per red cell
B
The coefficient of variation of red cell volume
C
The average conentration of ahemoglobin in given volume of packed
D
The average mass of haemoglobin per red cell
Explanation: 

Detailed explanation-1: -MCV (mean corpuscular volume) measures the average size of your red blood cells. It’s included in a common blood test called a complete blood count (CBC). Considered alongside the results of other tests, an MCV blood test can help your healthcare provider determine if you have anemia, liver disease or other conditions.

Detailed explanation-2: -MCV stands for mean corpuscular volume. An MCV blood test measures the average size of your red blood cells. Red blood cells carry oxygen from your lungs to every cell in your body. Your cells need oxygen to grow, reproduce, and stay healthy.

Detailed explanation-3: -MCV defines the size of the red blood cells and is expressed as femtoliters (10−15; fl) or as cubic microns (m3). The normal values for MCV are 87 ± 7 fl. MCH quantifies the amount of hemoglobin per red blood cell.

Detailed explanation-4: -Normal Results These test results are in the normal range: MCV: 80 to 100 femtoliter. MCH: 27 to 31 picograms/cell.

Detailed explanation-5: -Mean corpuscular volume (MCV) is the average volume of red cells. It can be directly measured by automated hematology analyzer, or it can be calculated from hematocrit (Hct) and the red blood cell count (RBC) as follows: MCV in fl = (Hct [in L/L]/RBC [in x1012/L]) x 1000.

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