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Question

RBC count is carried out by ______________.

A
Haemocytometer
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B
Haemoglobinometer
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C
Sphygmomanometer
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D
Electrocardiogram
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Solution

The correct option is A Haemocytometer
The haemocytometer is a counting-chamber device originally designed and usually used for counting blood cells. The hemocytometer was invented by Louis-Charles Malassez and consists of a thick glass microscope slide with a rectangular indentation that creates a chamber. Hemocytometer remains the most common method used for cell counting around the world. The most frequently used haemocytometer is the Neubauer (or ‘Improved Neubauer’) chamber. Other haemocytometers include the Burker, Thoma and Fuchs-Rosenthal. Using these, the particles (e.g., leucocytes, erythrocytes, thrombocytes, bacteria, fungus spores, pollen) are visually counted under a microscope.

So, the correct answer is 'Haemocytometer'.

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