Red Bloods Cells - Structure Flashcards
1
Q
The cellular components of blood are known as
A
the formed elements of blood
2
Q
What are the formed elements of blood
A
Red Blood Cells - Erythrocytes
White Blood Cells - Leukocytes
Platelets (cell fragments)
3
Q
RBC account for? total blood volume
A
45% in males
41% in females
e.g. 0.45 litres of RBC per litre of blood
4
Q
The volume of RBC is known as
A
Haematocrit
5
Q
Plasma accounts for? total blood volume?
A
55%
6
Q
Buffy coat is composed of
A
WBC and platelets
7
Q
1 microlitre (1ul) of blood contains
A
~5x10 to the 6th RBC in males
~4.5 x 10 to 6th RBC in females
8
Q
Total blood volume is
A
~5 litres
9
Q
Shape of RBCs
A
Flattened biconcave discs
8 micrometre wide and 2 micrometre high