Which of the following order is correct?
(1) Veins- capillaries- arteries
(2) Arteries- arterioles- capillaries- venules- veins
(3) Arterioles- Arteries-capillaries- venules- veins
(4) Arteries- arterioles-venules -capillaries- veins
The lumen of artery is ----- than vein.
(1) narrower
(2) wider
(3) same
(4) very much reduced
The hepatic portal system is
(1) Between digestive tract and hypothalamus
(2) Between digestive tract and liver
(3) Between liver and hypothalamus
(4) Between liver and Pituitary
The hepatic portal------ carries blood from ----- to liver before it is delivered to the---------.
(1) vein, Pancreas, Pulmonary
(2) artery, intestine, systemic
(3) vein, intestine, systemic
(4) artery, Pancreas, Pulmonary
Which vessels bring blood to right atrium?
(1) Vena Cava and coronary sinus
(2) Pulmonary veins
(3) Pulmonary artery
(4) Aorta and pulmonary artery
Human Heart has SA node which makes it-
(1) myogenic heart
(2) neurogenic heart
(3) Digenic Heart
(4) Rhinogenic Heart
The neurocenter for the activity of the Heart is located in
(1) Pons
(2) midbrain
(3) medulla oblangata
(4) cerebrum
Medulla Oblangata regulates the Cardiac activity via
(1) CNS
(2) ANS
(3) PNS
(4) CNS and PNS
The sympathetic nerves give ------- neural signals to heart and increases the-------.
(1) stimulatory, ventricular contraction
(2) inhibitory, stroke volume
(3) stimulatory ,ventricular relaxation
(4) inhibitory ,ventricular relaxation.
If the strength of ventricular contraction increases then it will cause
(1) increase in heart beat rate
(2) increase in cardiac output
(3) reduced supply of oxygen
(4) both 1 and 2