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
What is an antibody?
Molecule that specifically inactivates an antigen
WBC which invades bacteria
Secretion of mammalian RBC
Component of blood
Membrane surrounding the heart is called:
Peritoneum
Visceral membrane
Pericardium
Pleural membrane
What is the normal blood sugar level in a healthy man?
60-80 mg / 100 ml
80-100 mg / 100 ml
80-120 mg / 100 ml
80-140 mg / 100 ml
During normal conditions, coagulation of blood in the vessels is prevented by:
Prothrombin
Calcium
Plasminogen
Heparin
Prothrombin which helps in clotting blood is released by:
Blood platelets
Blood corpuscles
Blood plasma
Traumatized tissue
The vessel which leads blood to Bowman's capsule is:
Afferent arteriole
Pulmonary vein
Efferent arteriole
Renal vein
Clot of blood contains which of the following?
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
Which of the following vein has least amount of urea ?
Hepatic portal vein
Hepatic vein