The neurogenic heart is found in
rats
rabbits
humans
adult arthropods
First heart transplant was performed by
James watson
William Harvey
Har Govind Khorana
Christiaan Barnard
Spiral valve is present in
right auricle
sinus venosus
right ventricle
truncus arteriosus
Purkinje fibres are connected with impulse conducting system of
skin
heart
brain
kidney
Coeliac artery is the branch of
dorsal aorta
lumbar artery
caudal artery
pulmonary aorta
The right auricle of heart also receives a small coronary sinus and its opening is guarded by
mitral valve
scroll valve
valve of Thebesius
valve of eustachius
Which of the following cation is required for the conversion of prothrombin into active thrombin by thromboplastin?
Cu2+
Fe3+
Fe2+
Ca2+
Lead concentration in blood is considered alarming if it is
5 μg/100 ml
10 μg/100 ml
20 μg/ 100 ml
30 μg/100 ml
Microscopic blood vessels in the liver are called
ductules
sinusoids
venules
arterioles
The thickening of walls of arteries is called
arthritis
aneurysm
arteriosis
arteriosclerosis