Body Fluids and Excretion By KARISHMA

Statement 1 - Atria are larger than Ventricles.

Statement 2 - Sino-atrial node sets the pace of the activities of the heart.

• Both the statement are correct

• Both the statement are incorrect

• Only Statement 1 is correct

• Only Statement 2 is correct

The blood vascular system of mammals is known as double vascular system because -

• the two different systems never meet

• a group of vessels carry oxygenated blood and other group conduct deoxygenated blood

• oxygenated blood runs from heart to different organs by one set of vessels, while deoxygenated blood runs from heart to lung by another set

• All of the above

The difference between pumping and resting pressure is

• 40 mm Hg

• 0 mm Hg

• 140 mm Hg

• 90 mm Hg

Consider the following statements -

Statement I - Fibrinogen, globulins and albumins are the major proteins in plasma.

Statement II - Plasma is a non-viscous fluid.

• Statement I and Statement II are correct .

• Statement I and Statement II are incorrect .

• Only Statement I is correct

• Only Statement II is correct

S 1 - RBCs are devoid of nucleus in most of the mammals and are biconvex in shape.

S 2 - Neutrophils and Basophils are phagocytic in nature.

• Both S1 and S2 are correct

• Both S1 and S2 are incorrect

• Only S1 is correct

• Only S2 is correct

This diagram represents which Formed element?

• Neutrophils

• Basophils

• B-lymphocyte

• Eosinophils

Which one of the following statements is correct with regard to the principle of safe blood transfusion?

• The donor's red blood corpuscles should not contain antibodies against the recipient's serum

• The recipient's serum should not contain antigens against the donor's antibodies

• The recipient's serum should not contain the antibodies against the red blood corpuscles of the donor

• The recipient's red blood corpuscles should not contain antibodies against the donor's antigen

S 1 - Erythroblastosis foetalis can be avoided by administering anti-Rh antibodies to the mother during first pregnancy.

S 2 - Prothrombin gets converted into Thrombin by thrombokinase (enzyme complex)

• Only S 1 is correct

• Only S 2 is correct

• Both S 1 and S 2 are correct

• Both S 1 and S 2 are incorrect

S 1 - Exchange of nutrients, gases, etc., between the blood and the cells always occur through Interstitial fluid.

S 2 - Lymph is a colourless fluid containing specialised lymphocytes

• Both S 1 and S 2 are correct

• Both S 1 and S 2 are incorrect

• Only S 1 is correct

• Only S 2 is correct

1- Open circulatory system is present in arthropods and molluscs

2- Annelids and chordates have a closed circulatory system

3 - Crocodile have 4 chambered heart.

Inter-ventricular septum is thin walled and separates the left and the right ventricles

• All statement are correct

• More than two statement are correct

• More than two statement are incorrect

• two statement are correct.