List I | List II |
A. P-wave | I. Ventricular repolarization-relaxation phase |
B. P-R interval | II. The onset of ventricular depolarization - leads to ventricular contraction |
C. QRS complex | III. Time for the impulse to be conducted from SA node to the ventricles through the AV node |
D. T-wave | IV. Atrial depolarization - leads to atrial contraction |
List I | List II |
A. Bicuspid (mitral) valve | I. Between right atrium and right ventricle |
B. Aortic semilunar valve | II. Between left atrium and left ventricle |
C. Tricuspid valve | III. Between right ventricle and pulmonary artery |
D. Pulmonary semilunar valve | IV. Between left ventricle and aorta |
A. | RBCs are devoid of nucleus in most of the mammals and are biconvex in shape. |
B. | Lymph has the same mineral distribution as that in plasma. |
C. | By counting the number of QRS complexes in ECG that occur in a given time period, one can determine the heartbeat rate of an individual. |
D. | Heart is an endodermally derived organ. |
Column I | Column II | ||
(a) | Eosinophils | (i) | 60-65% |
(b) | Monocytes | (ii) | 0.5-1% |
(c) | Basophils | (iii) | 6-8% |
(d) | Neutrophils | (iv) | 2-3% |
(a) | (b) | (c) | (d) | |
1. | (iii) | (iv) | (ii) | (i) |
2. | (i) | (ii) | (iii) | (iv) |
3. | (iv) | (iii) | (ii) | (i) |
4. | (iv) | (iii) | (i) | (ii) |
(a) | Congestion of lungs is one of the main symptoms of heart failure. |
(b) | Each vein has an inner lining of cuboidal endothelium, called tunica intima. |
(c) | The cardiac output of an athlete will be much lower than that of an ordinary man. |