Wall of blood capillary is formed of
haemocytes
parietal cells
endothelial cells
oxyntic cells
Blood group AR has
no antigen
no antibody
neither antigen nor antibody
both antigen and antibody
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
Removal of calcium from freshly collected blood would
cause delayed clotting
prevent clotting
cause immediate clotting
prevent destruction of haemoglobin
Presence of RBC in urinc is
alkaptonuria
urothiasis
hematuria
proteinuria
Breakdown product of haemoglobin is
bilirubin
iron
biliverdin
calcium
Carbonic anhydrase occurs in
lymphocytes
blood plasma
RBC
leucocytes
Which one engulfs pathogens rapidly?
acidophils
monocytes
basophils
neutrophils
