17272.Valve present over left auriculo-ventricular opening is
Semilunar valve
Tricuspid valve
Valve of Thebesius
Bicuspid valve
17273.A certain road accident patient with unknown blood group needs immediate blood transfusion. His one doctor friend at once offers his blood. What was the blood group of the donor?
Blood group A
Blood group B
Blood group O
Blood group AB
17274.Valve surrounding opening of coronary sinus is
Thebesius valve
Eustachian valve
Mitral valve
Semilunar valve
17275.Valves which allow blood from ventricles into arteries and not in opposite direction are
Aortic valve and mitral valve
AV valves and semilunar valves
Bicuspid and tricuspid valves
Semilunar valves and tricuspid
17276.In humans, blood passes from post caval to diastolic right atrium of heart due to
Stimulation of sino-auricular node
Pressure difference between post caval and atrium
Pushing open of venous valves
Suction pull
17278.Which is correct about leucocytes
They are red coloured
They can cross capillaries
They are enucleate
Decrease in their number causes Leukemia
17279.Purkinje fibres are connected with impulse conducting system of
Heart
Brain
Skin
Kidney nephrons
17280.Which is false?
RBCs are also called leucocytes
White blood corpuscles are part of body`s defence mechanism
Platelets are also called thrombocytes
Oxygen is carried in blood after combining with haemoglobin