100% VERIFIED | LATEST 2026 UPDATE.
Which valve open and allow the ventricles to fill - ANSWER☑☑- Tricuspid and Mitral valves
The layers of the heart that is damaged during a heart attack is what - ANSWER☑☑- Myocardium
The inferior vena cava returns the oxygen blocked to the heart from - ANSWER☑☑- Lower part of your
body
While the pulmonary veins delivered blood to the - ANSWER☑☑- Left atria
The ventricle's inherited rate is - ANSWER☑☑- Between 20 and 40 bpm
The cardiac cycle's two phases are - ANSWER☑☑- systole and diastole
Depolarization is - ANSWER☑☑- Cell become less negative and contract
Which criteria represent of the patient in a normal sinus rhythm - ANSWER☑☑- Rate 60-100
Equal interval from the one to another
Each large box, which is five small boxes on the ECG is equal to - ANSWER☑☑- 0.20 seconds
The P waves represent? - ANSWER☑☑- depolarization of the atria
The QRS represent - ANSWER☑☑- Depolarization of ventricles
What is QT interval in this strip - ANSWER☑☑- Measure from beginning of QRS complex to the end of
the T wave
Lead one shows the difference in electrical voltage between ______and the AVR Lead as positive pole on
_______ - ANSWER☑☑- Right arm and left legs
Joining lead I , II and III at their ends produce - ANSWER☑☑- Einthoven's triangle
The V1 electrode is located at______ while the AVL has a positive pull at the _______ - ANSWER☑☑- V1-
4th intercostal space
AVL -left Arm
Which is the indication for immediately termination of a stress test - ANSWER☑☑- A drop in systolic
pressure, dizziness, sweating