Multiple Choice
During rapid depolarization of a ventricular contractile cell, the voltage-gated sodium channels close when the membrane potential reaches approximately
A) -90 mV.
B) -30 mV.
C) 0 mV.
D) +30 mV.
E) +90 mV.
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q70: Malfunctioning chordae tendineae would<br>A) allow blood to
Q71: The cardiac pacemaker cells are located in
Q72: The right ventricle pumps blood to the<br>A)
Q73: Blood from the viscera and the lower
Q74: The skeleton of the heart consists of<br>A)
Q76: The interventricular septum receives blood from the<br>A)
Q77: The maximum rate of contraction in normal
Q78: Which of the following most likely occurs
Q79: When a chamber fills with blood and
Q80: _ permit the exchange of nutrients, dissolved