MICROANATOMY

BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS

BLOOD

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Hematocrit is
A
the percent of red blood cells in a blood sample
B
a disease
C
a clotting factor
D
the color of plasma
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: -A hematocrit (he-MAT-uh-krit) test measures the proportion of red blood cells in your blood. Red blood cells carry oxygen throughout your body. Having too few or too many red blood cells can be a sign of certain diseases. The hematocrit test, also known as a packed-cell volume (PCV) test, is a simple blood test.

Detailed explanation-3: -Of this total volume plasma makes up almost 55% while red blood cells (RBCs) make up approximately 44%. White blood cells (WBCs) and platelets are 1% or less of the total volume. RBCs contain hemoglobin, a protein that binds to oxygen.

Detailed explanation-4: -What is hematocrit? Hematocrit measures the percentage of red blood cells in the body. For example: if a person has 50 milliliters (ml) of red blood cells in 100 ml of blood, their hematocrit level is 50%. Red blood cells transport oxygen around the body and give blood its characteristic red color.

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