Microscopic blood vessels in the liver are called
ductules
sinusoids
venules
arterioles
Large arteries have more elastic connective tissue and less smooth muscle, such as
aorta
atrioles
capillaries
all of these
Which of the following cation is required for the conversion of prothrombin into active thrombin by thromboplastin?
Cu2+
Fe3+
Fe2+
Ca2+
Chordae tendinae are found in
joints
ventricles of heart
artia of heart
ventricle of brain
Pylangium in frog is found in
atrium
ventricle
sinus venous
conus arteriosus
The thickening of walls of arteries is called
arthritis
aneurysm
arteriosis
arteriosclerosis
In mammalian heart, the systemic circulation of blood is powered by
Ventricle
left atrium
right atrium
both '2' and '3'
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
Heart of crocodile is
single- chambered
two- chambered
three- chambered
four- chambered
If a person is suffering from Christmas disease, then he is deficient of
factor IX
thrombin
vitamin - C
homogentics acid
