Course

Anatomy & Physiology

Study Pack

Set 45 Cardiac Cycle

Back to Sets
Question 1

(True False)

Free
The first and second heart sounds are derived from the opening of the heart valves.

Answer

Question 2

(Multiple Choice)

Free
Which of the following structures of the cardiac conduction system transmits electrical signals directly to the Purkinje fibers?

A)AV node
B)Internodal fibers
C)Right and left bundle branches
D)AV bundle
E)SA node

Answer

Question 3

(True False)

Free
In the cardiac cycle, the atria relax while the ventricles are contracting.

Answer