The ion primarily responsible for depolarization in pacemaker cells is ______________, whereas the ion primarily responsible for this in other cardiac cells is _____________
A.
sodium; calcium
B.
calcium; sodium
C.
potassium; sodium
D.
calcium; potassium
B
Anatomy & Physiology
You might also like to view...
What major organs are housed in the thoracic cavity?
What will be an ideal response?
Anatomy & Physiology
The primary function of the integumentary system is similar to that of the plasma membrane to a cell
Indicate whether the statement is true or false
Anatomy & Physiology
The receptor cells for static equilibrium are located in the __________.
What will be an ideal response?
Anatomy & Physiology
Magnetic resonance imaging uses
A. radio waves. B. high-frequency sound waves. C. X-rays. D. radioisotopes.
Anatomy & Physiology