Virtual Labs

1. Which of the following components are needed for HRV analysis?

a: ECG System Explanation

Explanation

b: ECG Electrodes Explanation

Explanation

c: HRV Software Explanation

Explanation

d: All the above Explanation

Explanation

2. A high HRV rate is expected in which of the following states?

a: Resting state Explanation

Explanation

b: Stress levels Explanation

Explanation

c: Post-exercise Explanation

Explanation

d: Cardiac dysfunctions Explanation

Explanation

3. From the RR Interval Tachogram, which of the following can be calculated?

a: Time interval between consecutive heartbeats Explanation

Explanation

b: Oxygen saturation Explanation

Explanation

c: Heart rate Explanation

Explanation

d: Blood flow rate Explanation

Explanation

4. From the simulation, identify the time-domain factor in HRV analysis:

a: SDNN Explanation

Explanation

b: VLF Explanation

Explanation

c: HF Explanation

Explanation

d: LF Explanation

Explanation

5. From the simulator, identify the importance of RMSSD analysis in HRV:

a: Indicates PNS Activity Explanation

Explanation

b: Indicates SNS Activity Explanation

Explanation

c: Indicate CNS activity Explanation

Explanation

d: Indicate heart rate per minute Explanation

Explanation

6. Identify the factors that affect HRV:

a: Breathing rate Explanation

Explanation

b: Stress level Explanation

Explanation

c: Physical fitness Explanation

Explanation

d: All the above Explanation

Explanation

7. What does LF/HF Ratio indicate?

a: SNS balance Explanation

Explanation

b: PNS balance Explanation

Explanation

c: HRV rate Explanation

Explanation

d: ANS balance Explanation

Explanation

8. In which of the clinical conditions is low HRV obtained?

a: Relaxed state Explanation

Explanation

b: Cardiac disease Explanation

Explanation

c: Mental Stress Explanation

Explanation

d: Overtraining Explanation

Explanation

9. The Poincare plot in HRV is an example of

a: Frequency domain analysis Explanation

Explanation

b: Spectral Analysis Explanation

Explanation

c: Nonlinear analysis Explanation

Explanation

d: Time-domain analysis Explanation

Explanation

10. RR intervals are measured in:

a: microseconds Explanation

Explanation

b: milliseconds Explanation

Explanation

c: nanoseconds Explanation

Explanation

d: seconds Explanation

Explanation

Heart Rate Variability (HRV) Analysis