Most of the calcium that triggers contraction of cardiac muscle comes
A) into the cell through leakage channels in the sarcolemma.
B) into the cell through voltage-gated channels in the sarcolemma.
C) from the sarcoplasmic reticulum of the cell.
D) from the Golgi apparatus of the cell.
Correct Answer:
Verified
Q57: What part of the cardiac conduction system
Q59: An autorhythmic heart cell is one in
Q60: For the repolarization phase of an SA
Q61: Someone with a heart block would have
A)
Q62: Like skeletal muscle cells, cardiac muscle cells
Q63: The plateau phase of an action potential
A)
Q65: During a cardiac cycle, how many of
Q66: In an ECG, what does the T
Q67: During the S-T segment, what is occurring
Q69: Which type of muscle cell exhibits a
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