Solved

If the Pacemaker Cells in the SA Node Become More

Question 65

Multiple Choice

If the pacemaker cells in the SA node become more permeable to potassium ions, the


A) heart rate will increase.
B) heart rate will decrease.
C) cells will depolarize.
D) cells will hyperpolarize.
E) heart rate will decrease and cells will hyperpolarize.

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions

Q60: Which of the following statements is true

Q61: Figure 20-2 Cardiac Cycle<br><img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4858/.jpg" alt="Figure 20-2

Q62: Which of the following describes what is

Q63: The atrioventricular valves permit blood flow<br>A) in

Q64: An ECG is used to diagnose all

Q66: Pacemaker cells isolated from the SA node

Q67: The _ carry blood away from the

Q68: Drugs that block the beta-one adrenergic receptors

Q69: Cardiac muscle layers form this distinct pattern.<br>A)

Q70: The _ is shared by the two