Answer: 120/80 mm Hg.
- A 120/80 mm Hg
- B 200/150 mm Hg
- C 80/40 mm Hg
- D 150/100 mm Hg
Correct answer: A. 120/80 mm Hg
Explanation: A typical healthy reading is 120/80 mm Hg (systolic/diastolic).
A single ECG cycle: the P wave marks atrial depolarisation (contraction signal), the large QRS complex marks ventricular depolarisation, and the T wave marks ventricular repolarisation (recovery) before the next cycle begins.
Concept context
Blood, lymph, the heart, the cardiac cycle, blood pressure, and ECG. High NEET weightage.