What does the QRS complex represent in ECG?

(1) Atrial Diastole

(2) Atrial systole

(3) ventricular systole

(4) Joint Diastole

Angina is more common in–

(1) Young Men

(2) Aged Women

(3) Middle aged and elderly men and women

(4) children

Which of the following correctly explains a phase/event in cardiac cycle in a standard electrocardiogram?

1. QRS complex indicates atrial contraction

2. QRS complex indicates ventricular contraction 

3. Time between S and T represents atrial systole

4. P-wave indicates the beginning of ventricular contraction

During ECG of a healthy person, P-wave represents

1. Ventricular depolarisation

2. Ventricular repolarisation

3. Joint diastole

4. Atrial depolarisation

The lumen of arteries gets ______ because ______ of ______

(1) narrower, dissolution, fat, cholesterol and fibrous tissues.

(2)narrower, deposition, fat, cholesterol and fibrous tissues.

(3) wider, deposition, fat, cholesterol and fibrous tissues.

(4) wider, dissolution, fat, cholesterol and fibrous tissues.

Coronary Artery Disease is also referred as

(1) Atherosclerosis

(2) Angina

(3) Heart failure

(4) Heart attack

In a surface ECG the QRS complex represents:

1. Atrial depolarization

2. Atrial repolarization

3. Ventricular depolarization

4. Ventricular repolarization

The deviation from the characteristic ECG indicates a possible abnormality; this information can be utilized in which field of Biology?

(1) Clinical Biology

(2) Biotechnology

(3) Molecular Biology

(4) Pedigree analysis

The following is the diagrammatic representation of standard ECG. Identify the correct statement :

P wave and QRS complex in ECG respectively represent:-

1. Atrial repolarization and Ventricular depolarization

2. Ventricular depolarization and Atrial repolarization

3. Atrial depolarization and Ventricular depolarization

4. Atrial depolarization and Ventricular repolarization