
During ventricular systole :
a) Oxygenated blood is pumped into the pulmonary artery and deoxygenated blood is pumped into the artery
b) Oxygenated blood is pumped into the aorta and deoxygenated blood is pumped into the pulmonary vein
c) Oxygenated blood is pumped into the pulmonary vein and deoxygenated blood is pumped into the pulmonary artery
d) Oxygenated blood is pumped into the aorta and deoxygenated blood is pumped into the pulmonary artery.
Answer
498.3k+ views
Hint:-The cardiac cycle consists of all the events, which occur from the origin of one heartbeat to the origin of the next heartbeat.
It can be divided into two parts : 1) Systole - a period of contraction; 2) Diastole - a period of relaxation.
Complete answer:
Systole is basically the period of heart’s ventricular contraction, that occurs between the first and second heart sounds of the cardiac cycle (the sequence of events in a single heart beat).
Systole causes the release of blood into the pulmonary trunk and the aorta.
Ventricular systole is initiated by a very short period of contraction, initiated by the ejection phase, during which 0.08 to 0.1 litre of blood leaves each of the ventricles. It usually lasts for around 0.3 to 0.4 second. During a systole, the arterial blood pressure reaches its peak.
Systolic blood pressure is normally about 90 to 120 mm of mercury in humans.
Atrial systole occurs nearing the end of ventricular diastole, completing the filling of the ventricles.
During a ventricular systole, the Tricuspid and Bicuspid valves are closed.
Thus, as per the information above :
Option a) Oxygenated blood is pumped into the pulmonary artery and deoxygenated blood is pumped into the artery - is an incorrect option.
Option b) Oxygenated blood is pumped into the aorta and deoxygenated blood is pumped into the pulmonary vein - is an incorrect option.
Option c) Oxygenated blood is pumped into the pulmonary vein and deoxygenated blood is pumped into the pulmonary artery - is an incorrect option.
Option d) Oxygenated blood is pumped into the aorta and deoxygenated blood is pumped into the pulmonary artery - is the Correct option.
Thus, the right option is D.
Note:-
- Ventricular Systole is (the phase of the Cardiac Cycle) where the right and left ventricles contract simultaneously and pump blood into the pulmonary trunk and the aorta, respectively.
- Throughout the cardiac cycle heart’s atria collect deoxygenated blood which returns to the heart.
It can be divided into two parts : 1) Systole - a period of contraction; 2) Diastole - a period of relaxation.
Complete answer:
Systole is basically the period of heart’s ventricular contraction, that occurs between the first and second heart sounds of the cardiac cycle (the sequence of events in a single heart beat).
Systole causes the release of blood into the pulmonary trunk and the aorta.
Ventricular systole is initiated by a very short period of contraction, initiated by the ejection phase, during which 0.08 to 0.1 litre of blood leaves each of the ventricles. It usually lasts for around 0.3 to 0.4 second. During a systole, the arterial blood pressure reaches its peak.
Systolic blood pressure is normally about 90 to 120 mm of mercury in humans.
Atrial systole occurs nearing the end of ventricular diastole, completing the filling of the ventricles.
During a ventricular systole, the Tricuspid and Bicuspid valves are closed.
Thus, as per the information above :
Option a) Oxygenated blood is pumped into the pulmonary artery and deoxygenated blood is pumped into the artery - is an incorrect option.
Option b) Oxygenated blood is pumped into the aorta and deoxygenated blood is pumped into the pulmonary vein - is an incorrect option.
Option c) Oxygenated blood is pumped into the pulmonary vein and deoxygenated blood is pumped into the pulmonary artery - is an incorrect option.
Option d) Oxygenated blood is pumped into the aorta and deoxygenated blood is pumped into the pulmonary artery - is the Correct option.
Thus, the right option is D.
Note:-
- Ventricular Systole is (the phase of the Cardiac Cycle) where the right and left ventricles contract simultaneously and pump blood into the pulmonary trunk and the aorta, respectively.
- Throughout the cardiac cycle heart’s atria collect deoxygenated blood which returns to the heart.
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