FNU Pathophysiology Mid term Exam
FNU Pathophysiology Mid term Exam
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FNU Pathophysiology Mid term Exam (1-100)
- Exam (elaborations) • 48 pages • 2018
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- $75.49
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Question
Question 1
Which of the following statements describes phase 4 of the action potential of cells in the sinoatrial (SA) node? 
Answers: 
A. Potassium permeability is allowing the cell membrane to remain depolarized, and Ca2 channel opens moving Ca2 back into the cell.
B. The cells are capable of responding to a greater than normal stimulus before the resting membrane potential is reached.
C. A slow depolarization occurs when Na is transported out of the cell and K moves back in, resu...
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