A vein possesses a large lumen because
tunica media and tunica externa form a single coat
tunica interna and tunica media form a single coat
tunica interna, tunica media and tunica externa are thin
tunica media is a thin coat
Carbonic anhydrase occurs in
lymphocytes
blood plasma
RBC
leucocytes
Breakdown product of haemoglobin is
bilirubin
iron
biliverdin
calcium
Removal of calcium from freshly collected blood would
cause delayed clotting
prevent clotting
cause immediate clotting
prevent destruction of haemoglobin
Blood group AR has
no antigen
no antibody
neither antigen nor antibody
both antigen and antibody
Haemophilia is
royal disease
faulty blood clotting
both a and b
mosquito having haemocoel
A person with blood group A requires blood. The blood group which can be given is
AandB
AandAB
A and O
A, B, AB and O
Sickle cell disease is characterised by
leukemia
polycytheinia
mental retardation
hemolytic anaemia
Tricuspid valve is found in between
sinus venosus and right auricle
right auricle and right ventricle
left ventricle and left auricle
ventricle and aorta
