MCQs Test 2nd on Cardiovascular System.

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MCQs Part 2 on Cardiovascular System.

Quiz

  

Time for this test is 45 minutes.

 

1. Identify the wrong component of the conducting system of the heart.
   1.   Sinoatrial node (S.A.node)
   2.   Atrioventricular Node (A.V.node)
   3.   Coronary sinus.
   4.   Purkinje fibres
2. S.A. node is present at the right atrium just ---------.
   1.   Inferior to the opening of superior vena cava.
   2.   Superior to the opening of superior vena cava.
   3.   Inferior to the opening of inferior vena cava.
   4.   Superior to the opening of inferior vena cava.
3. -------- is also called a pacemaker.
   1.   A.V. Node.
   2.   S.A. Node.
   3.   Bundle of his.
   4.   Purkinje Fibers.
4. AV node located in the septum between the two atria just below the opening of the ----------.
   1.   Coronary artery.
   2.   Coronary sinus.
   3.   Superior vena cava.
   4.   Inferior Vena cava.
5. The louder and longer sound of Heart is,
   1.   Lubb.
   2.   Dupp.
6. Short and not much louder sound of heart is,
   1.   Lubb.
   2.   Dupp.
7. Lub sound is caused by the closure of ----- valves.
   1.   Atrioventricular valves.
   2.   Semilunar valves.
8. Dupp sound is caused by the closure of ----- valves.
   1.   Atrioventricular valves.
   2.   Semilunar valves.
9. Volume of blood ejected by the ventricle per minute is ------.
   1.   Cardiac cycle.
   2.   Cardiac output.
   3.   Cardiac volume.
   4.   Stroke volume.
10. Volume of blood ejected by the ventricle during each contraction is ------,
    1.   Cardiac cycle.
    2.   Cardiac output.
    3.   Cardiac volume.
    4.   Stroke volume.
11. The instrument used for recording electrical activity of the heart is called as --------.
    1.   Electrocardiograph.
    2.   Electrocardiogram.
    3.   Sphygmomanometer.
    4.   Oximeter.
12. The recorded electrical activity of heart is called,
    1.   Electrocardiograph.
    2.   Electrocardiogram.
    3.   Electroencephalogram.
    4.   Electroencephalograph.
13. The normal ECG shows three waves,
    1.   P, Q, R.
    2.   P, Qr, S.
    3.   P, QRS, T
    4.   P, QR, ST.
14. The “P” wave in an ECG indicates------
    1.   impulses from the SA node spreads over the atria.
    2.   rapid spread of impulses from the AV node through the bundle of His and Purkinje fibres.
    3.   relaxation of ventricular muscles.
    4.   Cardiac arrhythmia.
15. The”QRS” wave in an ECG indicates------
    1.   impulses from the SA node spreads over the atria.
    2.   rapid spread of impulses from the AV node through the bundle of His and Purkinje fibres.
    3.   relaxation of ventricular muscles.
    4.   Cardiac arrhythmia.
16. The “T” wave in an ECG indicates------
    1.   impulses from the SA node spreads over the atria.
    2.   rapid spread of impulses from the AV node through the bundle of His and Purkinje fibres.
    3.   relaxation of ventricular muscles.
    4.   Cardiac arrhythmia.
17. The blood circulation from the left ventricle to right atrium is called --------.
    1.   Systemic circulation.
    2.   Pulmonary Circulation.
    3.   Hepatic Circulation (Portal Circulation).
    4.   Coronary Circulation.
18. The circulation of blood from the right ventricle of the heart to the lungs and back to the left atrium, is called -------.
    1.   Systemic circulation.
    2.   Pulmonary Circulation.
    3.   Hepatic Circulation (Portal Circulation).
    4.   Coronary Circulation.
19. Supply of blood to the heart itself is called -------,
    1.   Systemic circulation.
    2.   Pulmonary Circulation.
    3.   Hepatic Circulation (Portal Circulation).
    4.   Coronary Circulation.
20. Blood from GIT enters first liver through the portal vein and then enters in Inferior vena cava, this circulation of blood through liver by portal vein is called as…….;
    1.   Systemic circulation.
    2.   Pulmonary Circulation.
    3.   Hepatic Circulation (Portal Circulation).
    4.   Coronary Circulation.
21. The deoxygenated blood from the heart is collected by coronary veins and opens into the ---------.
    1.   AV Node.
    2.   SA Node.
    3.   Coronary sinus.
    4.   Pericardial cavity.
22. In an EGC a large upright triangular wave and ends as a downward wave is,
    1.   P wave.
    2.   QRS wave complex.
    3.   T Wave.
    4.   S wave.
23. Cardiac output is calculated as,
    1.   Heart Rate X Stroke Volume.
    2.   One Cardiac Cycle X Stroke Volume.
    3.   Heart Rate + Stroke Volume.
    4.   One Cardiac Cycle + Stroke Volume
24. Purkinje fibres convey the action potential from the -----.
    1.   SA Node to Base of the heart.
    2.   AV node to the Base of the heart.
    3.   SA Node to Apex of the heart.
    4.   AV node to the Apex of the heart.
25. The gap of ------ in initiation of impulse of AV node which results in atrial emptying.
    1.   0.1S
    2.   0.3S
    3.   0.4S
    4.   0.8S

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