Question
Question asked by Filo student
Which of the following events triggers the opening of the sodium channels in the SA nodal cells?
- When the threshold potential is reached
- When the cardiac muscle cell is depolarized
- After the generation of the action potential
- When the neurotransmitter is released into the synapse
- None of the above; the sodium channels open spontaneously
Found 3 tutors discussing this question
Discuss this question LIVE
9 mins ago
Filo tutor solution
Learn from their 1-to-1 discussion with Filo tutors.
Generate FREE solution for this question from our expert tutors in next 60 seconds
Don't let anything interrupt your homework or exam prep with world’s only instant-tutoring, available 24x7
Practice more questions on All topics
Question 1
Hard
Views: 6,207
Question 2
Hard
Views: 5,421
Statements :
(A) Wings of butterfly and birds look alike and are the results of (i) , evolution.
(B) Miller showed that and (i) when exposed to electric discharge in a flask resulted in formation of (ii).
(C) Vermiform appendix is a (i) organ and an (ii) evidence of evolution.
(D) According to Darwin evolution took place due to (i) and (ii) of the fittest.
Question 3
Easy
Views: 5,866
Students who ask this question also asked
Question 1
Views: 5,185
Question 2
Views: 5,963
Question 3
Views: 5,226
Question 4
Views: 5,677
Question Text | Which of the following events triggers the opening of the sodium channels in the SA nodal cells? |
Topic | All topics |
Subject | Biology |
Class | Class 12 |