MICROANATOMY

BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS

BLOOD

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The percentage of blood that consists of red blood cells.
A
hemoglobin
B
hematocrit
C
Rh factor
D
hemostasis
Explanation: 

Detailed explanation-1: -Hematocrit is the percentage of red cells in your blood. Normal levels of hematocrit for men range from 41% to 50%. Normal level for women is 36% to 48%.

Detailed explanation-2: -Known for their bright red color, red cells are the most abundant cell in the blood, accounting for about 40 to 45 percent of its volume.

Detailed explanation-3: -12.1 Erythrocytes. Erythrocytes or red blood cells (RBCs) are the cells that contain hemoglobin, an oxygen-transporting protein that gives blood its red color. Red blood cells make up over 99% of the cellular component of blood.

Detailed explanation-4: -Results from your hematocrit test are reported as the percentage of your blood volume that’s composed of red blood cells. Normal ranges vary substantially with race, age and sex.

Detailed explanation-5: -Hematocrit is a measure of the portion of blood occupied by cells (red blood cells, white blood cells and platelets). A hematocrit of 0.40 L/L (litre of cells per litre of blood) indicates that 40% of the blood volume is composed of cells, with plasma making up the other 60%.

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