Introduction

Question 1

What colour is oxygen rich blood ?

Answer 1

Scarlet red

Question 2

Oxygen poor blood ?

Answer 2

Dull red

Question 3

The pH of blood ?

Answer 3

7.35 - 7.45

Question 4

What is the composition of plasma ?

Answer 4

90% water
8% proteins
1% inorganic ions e.g sodium, potassium, etc
1% organic acis and other substances e.g fatty acids, amino acids, glucose etc

Question 5

Where arebplasma proteins manufactured ?

Answer 5

All are manufactured in the liver except immunoglobulins which are manufactured by the cells of the immune system

Question 6

What is another name for immunoglobulins ?

Answer 6

Gamma globulins

Question 7

What is the total conc. of plasma proteins ?

Answer 7

64 - 83 g per litre ( 6 - 8 ) g per 100ml

Question 8

Concentration of albumin in plasma ?

Answer 8

35 - 45 g per litre

Question 9

Molecular weight of albumin ?

Answer 9

69,000

Question 10

Globulin concentration ?

Answer 10

15 - 32 g per litre

Question 11

Fibrinogen concentration ?

Answer 11

2 - 4 litres

Question 12

Weight of fibrinogen ?

Answer 12

400,000

Question 13

Functions of blood

Answer 13

Respiratory
Nutritive
Excretory
Regulation of body temperature
Transport of hormones
Protective

Question 14

Functions of blood

Answer 14

1) Protective
2) Nutritive
3) Excretory
4) Transport of hormones
5) Regulation of body temperature
6) Respiratory

Question 15

Specific properties of blood

Answer 15

1) blood is a complex particle of fluid that does not conform to the simple properties of water
2) specific gravity of blood is 1.005 - 1.065 greater than that of water which has a specific gravity of 1
3) in an undisturbed state or anticoagulant, blood settles down slowly because of the large surface area
4) RBC tends to form cylindrical aggregates resembling rows of coins. Thus is called roleaux formation
5) axial streaming

Question 16

Functions of albumin ?

Answer 16

1) Transports calcium, bilirubin
2) it provides the colloidal osmotic pressure of about 25mmHg
It’s a transport vehicle, also provides nutrients. Colloidal osmotic pressure helps to maintain dryness of the interstitial spaces

Question 17

Functions of globulin ?

Answer 17

1) alpha globulin transports cortisol, thyroxine and vitamin B12
2) beta globulin transports iron, cholesterol, lipids, insulin and vitamin ADEK.
3) they act as blood buffers
4) they contribute to the Viscosity of the blood
5) they defend the body against foreign invaders

Question 18

Fibrinogen

Answer 18

Essential for blood clotting