¿Cuál de las siguientes estructuras se considera el marcapasos del corazón?

parcial 2 cap 10 cardio

Quiz
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Biology
•
University
•
Medium
isabella canabal
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33 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nodo auriculoventricular (AV)
Nodo sinusal
Haz de His
Fibras de Purkinje
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el potencial de membrana en reposo del nodo sinusal?
-70 a -80 mV
-55 a -60 mV
-40 a -45 mV
-90 mV
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el retraso total desde el nodo sinusal hasta el nodo AV?
0.08 s
0.12 s
0.16 s
0.20 s
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el retraso total desde el Haz auricular hasta el ventricular?
0.08 s
0.12 s
0.16 s
0.20 s
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la frecuencia de descarga del nodo sinusal?
40-60 lpm
50-70 lpm
70-80 lpm
15-40 lpm
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la frecuencia de descarga del nodo auriculoventricular (AV)?
40-60 lpm
50-70 lpm
70-80 lpm
15-40 lpm
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la frecuencia de descarga de las fibras de Purkinje?
40-60 lpm
50-70 lpm
70-80 lpm
15-40 lpm
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