Body Fluid and Circulation, Quiz 1

Which of the following use water from their environment as circulating fluid –

• Sponges

• Coelenterates

• Both Sponges and Coelenterates

• Fishes

Blood, a special type of connective tissue –

• Consists of a fluid matrix (Plasma)

• Has formed elements

• Is the most commonly used body fluid by most of the higher organisms

• All

Plasma is a straw coloured, viscous fluid constituting nearly _________% of blood –

• 55

• 45

• 90

• 10

The amount of water present in blood plasma is –

• 99%

• 90 - 92%

• 10%

• 55%

Formed elements of blood include –

• RBC, WBC and blood platelets

• Proteins present in blood

• All solutes present in blood

• All minerals (elements)

Which of the following statements is false?

• Erythrocytes / RBC are the least abundant of all the cells in blood

• The number of RBCs in adult man per mm3 of blood is 5 million to 5.5. million

• RBC are formed in the red bone marrow in the adults

• RBCs are enucleate in most of the mammals

Life span of human RBC is –

• 120 hours

• 120 month

• 120 days

• 102 days

What is the amount of haemoglobin present in 100 ml blood of human blood?

• 45 g

• 18 - 20 g

• 12 - 16 g

• 10 - 12 g

Mammalian RBCs are _______ in shape –

• Oval

• Biconvex

• biconcave

• Sickle like

All of the following are granulocytes except –

• Neutrophils

• Eosinophils

• Basophils only

• Lymphocytes and monocytes