The contraction of any one cardiac muscle fiber
A) will immediately trigger an all-or-none response in all other cardiac fibers.
B) will cause the contraction of several others.
C) will cause the rate of heart muscle contraction to increase.
D) will stimulate the electrical conduction system of the heart.
E) None of the answers are correct.
Correct Answer:
Verified
Q12: Grooves on the external surface of the
Q13: Cardiac muscle cells obtain energy almost exclusively
Q14: The serous membrane lining the pericardial cavity
Q15: The heart wall is composed of _
Q16: The ability of the blood to supply
Q18: The visceral pericardium is also called the
A)pericardial
Q19: The heart has the unique ability to
Q20: The connective tissues of the heart
A)consist only
Q22: The left atrium receives blood from the
A)coronary
Q34: The broad, superior portion of the heart
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