The natural Pacemaker of heart is
AV node
bundle of His
SA node
purkinje fibres
The blood group with antibody -a and b is
B
A
O
AB
Wall of blood capillary is formed of
haemocytes
parietal cells.
endothelial cells
oxyntic cells
The most popularly known blood grouping is the ABO grouping. It is named ABO and not ABC, because 'O' in it refers to having
other antigens besides A and B on RBCs
over dominance of this type on the genes for A and B types
one antibody only__either anti-A or anti-B on the RBCs
no antigens A and B on RBCs
Breakdown product of haemoglobin is
bilirubin
iron
biliverdin
calcium
Damage to thymus in a child may lead to
a reduction in haemoglobin content of blood
a reduction in stem cell production
loss of antibody mediated immunity
loss of cell mediated immunity
Systemic heart refers to
enteric heart in lower vertebrates
the two ventricles together in humans
The heart that contracts under stimulation from nervous system.
left auricle and left ventricle in higher vertebrates
Antigens are present
inside the nucleus
on cell surface
inside the cytoplasm
on nuclear membrane
If you suspect major deficiency of antibodies in a person, to which of the following would you look for confirmatory evidence?
Serum albumins
Serum globulins
Fibrinogen in the plasma
Haemocytes
Tricuspid value is found in between
sinus venosus and right auricle
right auricle and right ventricle
left ventricle and left auricle
ventricle and aorta