Clot of blood contains which of the following?
Prothrombin
Thrombin
Fibrinogen
Fibrin
An increase in the concentration of CO2 in the blood reduces the oxygen combining capacity of haemoglobin. This condition is known as:
Chloride shift
Bohr's effect
Asphyxia
Pneumatosis
Person with blood group A possesses which antibody?
A only
B only
No antibodies
Both A and B
Prothrombin which helps in clotting blood is released by:
Blood platelets
Blood corpuscles
Blood plasma
Traumatized tissue
Membrane surrounding the heart is called:
Peritoneum
Visceral membrane
Pericardium
Pleural membrane
Which of the following is different from others in the absence of muscular coat?
Veins
Arteries
Capillaries
Arterioles
What is the shape of nucleus in W. B. C.?
Round
Oval
Spindle
Irregular
Significant role of blood clotting is played by which of the following?
Neutrophils
Thrombocytes
Erythrocytes
Leucocytes
Which of the following vein has least amount of urea ?
Pulmonary vein
Hepatic portal vein
Hepatic vein
Renal vein
Which one of the statement is correct with reference to the circulation of blood in a mammal?
Left auricle receives oxygenated blood from the lungs
Pulmonary artery returns oxygenated blood from the lungs to the left auricle
Pulmonary vein carries blood from right auricle to lungs
Venous blood is returned to the left auricle