The main pacemaker region of the heart is
A) electrically active nodal tissue located in the wall of the left ventricle.
B) in the interventricular septum.
C) able to cause the atria and ventricles to contract simultaneously.
D) able to cause the muscle to begin to contract at the apex.
E) in the wall of the right atrium.
Correct Answer:
Verified
Q49: During most of ventricular diastole, the
A)atria are
Q50: Which of the following is supplied with
Q51: Nodal activity of the heart may be
Q52: At rest the heart rate is usually
Q53: In terms of time, at rest one
Q55: Papillary muscles of the right ventricle receive
Q56: When a clot forms in a coronary
Q57: Structures in the heart that carry electrical
Q58: The phase of the cardiac cycle during
Q59: Pacemaker cells of the SA node depolarize
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents