What region of the heart is responsible for cardiac muscle contraction?
A) Myocardium
B) Epicardium
C) Endocardium
D) Purkinje fibers
Correct Answer:
Verified
Q8: The P wave on an ECG corresponds
Q9: Dead muscle cells are replaced with connective
Q10: An increase in heart rate primarily begins
Q11: The SA node increases heart rate from
Q12: Insufficient blood flow in coronary arteries to
Q14: What regulates the rate and force of
Q15: The parasympathetic nervous system has _ effect
Q16: A decrease in myocardial function will immediately
Q17: Blood exits the heart from the _,which
Q18: A characteristic sign of left-sided heart failure
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