Match List I with List II: 
List I List II
A. P wave I. Heart muscles are electrically silent
B. QRS complex II. Depolarisation of ventricles.
C. T wave III. Depolarisation of atria.
D. T-P gap  IV. Repolarisation of ventricles.

Choose the correct answer from the options given below: 
1. A-III, B-II, C-IV, D-I
2. A-II, B-III, C-I, D-IV
3. A-IV, B-II, C-I, D-III
4. A-I, B-III, C-IV, D-II
Subtopic:  ECG & Coronary Artery Disease | Circulatory Pathways |
 87%
Level 1: 80%+
NEET - 2024
Hints

Match List-I with List-II: 
List-I List-II
A. Tricuspid valves I. Guards the opening between right atrium and right ventricle 
B. Sino-atrial node II. Guards the opening between the left atrium and the left ventricle 
C.  Mitral valves III.  Guards the opening of right and left ventricles into pulmonary artery and aorta, respectively
D. Semilunar valves IV.  Cardiac musculature in the right upper corner of right atrium
Choose the correct answer from the options given below: 
1. A-III, B-IV, C-II, D-I
2. A-II, B-I, C-IV, D-III
3. A-III, B-IV, C-I, D-II
4. A-I, B-IV, C-II, D-III
Subtopic:  Human Heart: Gross Anatomy | Human Heart: Cardiac Cycle | Circulatory Pathways |
 85%
Level 1: 80%+
NEET - 2024
Hints