Conduction System of the Heart

Question 1

Specialized cardiac muscle cells generate their own ______.

Answer 1

APs (ACTION POTENTIALS)

Question 2

The conduction system is a pathway along which the APs progress through the _________.

Answer 2

HEART

Question 3

What is the specific sequesnce through which the APs propagate the conduction system?
*** 7 steps

Answer 3

SA NODE
to
ATRIA
to
AV NODE
to
BUNDLE OF HIS
to
BUNDLE BRANCHES
to
PURKINJE FIBRES
to 
VENTRICLES

Question 4

Where is the sinoatrial SA node located?

Answer 4

RIGHT ATRIAL WALL

Question 5

If the SA node is faulty, what does modern medicine replace it with?

Answer 5

PACEMAKER

Question 6

What does the conduction system of the heart signal the heart to do?

Answer 6

CONTRACT