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Which instrument is used to determine the red cell count?
Haemocytometer
Haemoglobinometer
Electrocardiogram
Sphygmomanometer
Answers (1)
Red cell count measures the number of red blood cells in a given volume of blood.It is typically carried out using a device called a hemocytometer. A hemocytometer is a specialized microscope slide with a grid pattern etched onto its surface. By diluting a small volume of blood and placing it on the hemocytometer, the red blood cells can be counted under a microscope, allowing for the determination of the red cell count. Hence, the correct answer is option 1.
Explanation for incorrect options :
Option (2) Haemoglobinometer is incorrect because it is a device used to measure the concentration of hemoglobin in the blood, not the red cell count.
Option (3) Electrocardiogram (ECG) is a diagnostic tool used to record the electrical activity of the heart, and it is not directly involved in determining red cell count.
Option (4) Sphygmomanometer is a device used to measure blood pressure, and it is not used for red cell count assessment.
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