Which of the following statements is true concerning the depolarization of a cell in the SA node?
A) The cell will not depolarize until it receives sympathetic stimulation
B) The pacemaker potential is caused by calcium entering the cell via slow channels
C) The pacemaker potential is slower in achieving threshold when acetylcholine is applied to the SA cells
D) Both the pacemaker potential is caused by calcium entering the cell via slow channels and the pacemaker potential is slower in achieving threshold when acetylcholine is applied to the SA cells are correct
E) None of the choices are true
Correct Answer:
Verified
Q13: In an electrocardiogram,the QRS complex represents the
A)Depolarization
Q14: Most of the iron in a person's
Q17: Anemia
A)Can be caused by too little iron
Q18: Which of the following changes would most
Q18: A female patient has a blood test.One
Q19: Which of the following is not primarily
Q20: A male patient complains of physical weakness
Q21: The discharge rate of the SA node
Q22: According to the Frank-Starling mechanism of the
Q23: Which of the following is not an
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