The duration of cardiac cycle is-

(1) 0.8 second

(2) 0.5 second

(3) 0.3 second

(4) 0.4 second

Subtopic:  Human Heart: Cardiac Cycle |
 98%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

The number of action potential generated by SAN:

(1) 70-75 times per minute.

(2) 50-72 times per minute.

(3) Exact 70 times per minute.

(4) not more than 60 times per minute.

Subtopic:  Rhythmic Excitation of Human Heart: Part 1 |
 98%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

The route of action potential in heart is

(1) SA node- AV node- AV bundle

(2) AV node- SA node- bundle of his- AV bundle.

(3) SA node- AV node- AV bundle- Bundle of His

(4) SA node-AV node- Purkinje fibres

Subtopic:  Rhythmic Excitation of Human Heart: Part 1 | Rhythmic Excitation of Human Heart: Part 2 |
 85%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

The closure of which valves causes Dub sound?

(1) AV valves

(2) Semilunar valves

(3) both 1 and 2

(4) only tricuspid valve

Subtopic:  Human Heart: Cardiac Cycle |
 93%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

The machine taking the reading of electrical activity of heart is known as

(1) Electrocardiogram

(2) Electrocardiograph

(3) MRI

(4) Biopsy

Subtopic:  ECG & Coronary Artery Disease |
 78%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

The results of ECG are known as

(1) Electrocardiogram

(2) Electrocardiograph

(3) MRI

(4) Biopsy

Subtopic:  ECG & Coronary Artery Disease |
 87%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

The standard ECG is obtained by connecting the patient to the machine with how many leads?

(1) 4

(2) 3

(3) 1

(4) 2

Subtopic:  ECG & Coronary Artery Disease |
 88%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

For a detailed evaluation of the heart’s function, multiple leads are attached to:

(1) Wrist and arms

(2) Abdomen

(3) Chest region

(4) All the fingers

Subtopic:  ECG & Coronary Artery Disease |
 74%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

What does the P wave represent in ECG?

(1) Atrial Diastole

(2) Atrial systole

(3) Ventricular Diastole

(4) Joint Diastole

Subtopic:  ECG & Coronary Artery Disease |
 88%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

What does the QRS complex represent in ECG?

(1) Atrial Diastole

(2) Atrial systole

(3) ventricular systole

(4) Joint Diastole

Subtopic:  ECG & Coronary Artery Disease |
 95%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch