(value 1 point)

• 1) The ST segment is an isoelectric line
• 2) Every QRS complex proceeds by P wave
• 3) Every QRS complex preceeds a P wave
• 4) Venticular heart rate is usually equal to atrial heart rate
• 5) The PR interval corresponds to the time lag from the onset of atrial depolarization to the onset of ventricular depolarization.
• 6) None of the above
• 7) All of the above

(value 1 point)

• 1) Bundle of His
• 2) Purkinje Fiber
• 3) SA node
• 4) AV node
• 5) All of the above
• 6) None of the above
• 7) Digitalis

Given the diagram above ,Identify the P wave by marking the correct answer below

(value 1 point)

• 1) A
• 2) B
• 3) C
• 4) E
• 5) D
• 6) all of the above
• 7) None of the above

Given the diagram above ,Identify the QRS complex by marking the correct answer below:

(value 1 point)

• 1) ABD
• 2) BCD
• 3) A
• 4) AC
• 5) D
• 6) All of the above
• 7) None of the above

(value 1 point)

(value 1 point)