Steps in the Cardiac Cycle
Trending Questions
Q.
How do you auscultate your heart?
Q. Time required for atrial contraction is _____.
- 0.11-0.14 seconds
- 0.56-0.73 seconds
- 0.27-0.35 seconds
- 0.42-0.56 seconds
Q.
A doctor uses _______ to listen heart beat.
Q. Assertion :Atria act as primer pumps that increase the ventricular pumping. Reason: About 80 percent of the blood flows directly through the atria into ventricles.
- Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
- Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
- Assertion is correct but Reason is incorrect
- Both Assertion and Reason are incorrect
Q. Which events lead to the generation of lub sound in a human heart? [2 Marks]
Q. Choose the correct option for the parts of a stethoscope.
- Chest piece
- Tube
- Ear piece
- Lens
Q. Which among the following provides the correct relationship between number of beats per minute and weight of an organism?
- Number of beats per minute will be high for animals with high body weight.
- Number of beats per minute will be low for animals with low body weight.
- Number of beats per minute will be high for animals with low body weight.
- There is no relation between number of beats per minute and weight of an organism.
Q. Heart receives oxygenated blood from the lungs through pulmonary veins.
- False
- True
Q. During diastole, the ventricular valve is completely relaxed.
- True
- False
Q.
The cardiac cycle is the sequence of events that occurs when the heart beats. In the (i)______, the heart ventricles (ii)______ and fill the heart with blood. In the (iii)_______ the ventricles (iv)________and pump the blood to the body through the arteries.
(i) diastole phase, (ii) relax, (iii) systole phase, (iv) contract
(i) systole phase, (ii) contract, (iii) diastole phase, (iv) relax
(i) diastole phase, (ii) contract, (iii) systole phase, (iv) relax
(i) systole phase, (ii) relax, (iii) diastole phase, (iv) contract