Body Fluids and Circulation questions
852 published questions with worked solutions.
- Identify the correct statement. I. The impulse of the heart beat originates from SAN. II. Rate of the heart is determined by SAN....
- Bicuspid and tricuspid valve opens when
- ECG is a graphical representation of the electric activity of the heart during
- Cardiac output is
- In reptiles and amphibians, there is no clear cut separation of oxygenated and deoxygenated blood because they have
- Incomplete circulation is found in I. Reptiles II. Amphibians III. Birds IV. Mammals The correct option with appropriate choices...
- When two atria contract simultaneously and results in the blood pumping into ventricles, this is called
- During each cardiac cycle, prominent sounds are produced which can be easily heard through a stethoscope. They are
- In amphibians and reptiles, the ...A... atrium receives oxygenated blood from the gills/lung/skin and ...B... atrium gets the...
- In bird and mammals, the oxygenated blood received by ...A... and deoxygenated blood receive by ...B.... The ventricles pump it...
- Atrial diastole takes place when
- Cardiac cycle is a cyclic event that occur in
- SAN generates an action potential which stimulates both the ...A... to undergo a simultaneous contraction called ...B.... This...
- Match the following columns. | Column-I | Column-II | |---|---| | (A) P | (1) Electrical excitation of atria | | (B) QRS | (2)...
- Match the following columns. | Column-I | Column-II | |---|---| | (A) Superior vena cava | (1) Carries oxygenated blood | | (B)...
- Cardiac output is
- Duration of cardiac cycle ( 0.88 s). I. Atrial systole → ...A... sec II. Atrial diastole → ...B... sec III. Ventricular systole →...
- During cardiac cycle, about ...A...% of ventricular filling occurs, prior to the atrial contraction. ...B...% ventricular filling...
- Sequence of electrical impulse in heart beat is
- Ventricular systole occurs
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