In single circulation, the heart pumps
(1) oxygenated blood
(2) deoxygenated blood
(3) mixed blood
(4) blood–nutrients
What does systemic circulation provide to tissue?
(1) nutrient
(2) oxygen
(3) other essential substances
(4) all of these
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 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)