Lab 2: Blood Components and Tests

Question 1

Function of blood:

Answer 1

Maintains homeostasis, transport system, regulates pH, repair blood clots, prevents disease, regulates body temperature

Question 2

Amounts of Blood

Answer 2

Female: 4-5 Litres
Male: 5-6 Litres

Question 3

Erythrocytes: RED BLOOD CELLS

Answer 3

Contain hemaglobin (oxygen carrying protein)
Transports O2 and CO2
No nucleus, can not divide, can not reproduce or repair
Lifespan 100-120 days

Question 4

PLATELETS

Answer 4

Small cell fragments of megakaryocytes from bone marrow

Clotting time: 2-6 minutes

Question 5

LEUCOCYTES: White Blood Cells

Answer 5

Never Let Moneys Eat Bananas: ranking of most common
Divided into two categories: granulocytes and agranulocytes
Differentiated by size, nucleus shape, colour when stained, shape of granule, amount of ctyoplasm

Question 6

Neutrophils

Answer 6

Granulocyte: (10-12 pm)
Dark, multilobed nucleus.
Light pink or purple granules
Most Common of Leucocytes

Question 7

Lymphocytes

Answer 7

Agranulocyte

Small cell with dark nucleus taking up most of the cell

Question 8

Monocytes

Answer 8

Agranulocyte

Dark coloured kidney shape nucleus,

Question 9

Eosinophil

Answer 9

2 lobe nucleus with bright pink granules.

Question 10

Basophil

Answer 10

Contains dark purple or black granules