HOAG ECG CERTIFICATION SCRIPT 2026
QUESTIONS WITH SOLUTIONS GRADED
A+
>> Cardiac Cycle
Answer: One complete heartbeat
>> Systole
Answer: Contraction phase
>> Diastole
Answer: Relaxation phase
>> Refractory Period
Answer: Time unable to depolarize again
>> Absolute Refractory Period
Answer: Cannot be stimulated
>> Relative Refractory Period
Answer: Can be stimulated with strong signal
>> Action Potential
Answer: Electrical impulse in cell
>> Threshold Potential
Answer: Minimum voltage for activation
, >> Resting Membrane Potential
Answer: -90 mV in cardiac cells
>> Sodium-Potassium Pump
Answer: Active ion transport
>> Automaticity
Answer: Ability to self-generate impulse
>> Conductivity
Answer: Ability to transmit impulse
>> Contractility
Answer: Ability to contract
>> Excitability
Answer: Ability to respond to stimulus
>> Chronotropic Effect
Answer: Change in heart rate
>> Positive Chronotropic
Answer: Increases heart rate
>> Negative Chronotropic
Answer: Decreases heart rate
>> Inotropic Effect
Answer: Change in contractility
QUESTIONS WITH SOLUTIONS GRADED
A+
>> Cardiac Cycle
Answer: One complete heartbeat
>> Systole
Answer: Contraction phase
>> Diastole
Answer: Relaxation phase
>> Refractory Period
Answer: Time unable to depolarize again
>> Absolute Refractory Period
Answer: Cannot be stimulated
>> Relative Refractory Period
Answer: Can be stimulated with strong signal
>> Action Potential
Answer: Electrical impulse in cell
>> Threshold Potential
Answer: Minimum voltage for activation
, >> Resting Membrane Potential
Answer: -90 mV in cardiac cells
>> Sodium-Potassium Pump
Answer: Active ion transport
>> Automaticity
Answer: Ability to self-generate impulse
>> Conductivity
Answer: Ability to transmit impulse
>> Contractility
Answer: Ability to contract
>> Excitability
Answer: Ability to respond to stimulus
>> Chronotropic Effect
Answer: Change in heart rate
>> Positive Chronotropic
Answer: Increases heart rate
>> Negative Chronotropic
Answer: Decreases heart rate
>> Inotropic Effect
Answer: Change in contractility