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Examen fisiología humana CAFD 1º parcial
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Examen fisiología humana CAFD 1º parcial
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Preguntas cardiovascular1- ¿cuándo comienza la diástole?
a)-cuando se cierra la válvula aórtica.
b)-cuando se abre la válvula mitral.
c)-cuando se abre la válvula aórtica.
d)-cuando se cierra la válvula mitral.
e)-cuando ambas válvulas se cierran.
2- ¿Cuál es la función de las arteriolas?
a)- dirigir la sangre hacia donde se necesita.
b)-reservorio de volumen.
c)-regular el flujo de sangre.
d)-intercambio de sustancias que entran o salen de la sangre.
e)-propulsar la sangre.
3-¿Cuál es la primera molécula que regula la vasodilatación?
a)- insulina
b)-adenoxina
c)-glucagon
d)-tiroxina
e)-oxitocina
4- en un entrenamiento aeróbico:
a)-es mayor el diámetro de la cavidad del corazón
b)- es mayor el grosor del ventrículo
c)-es mayor el grosor que la cavidad, comparado a un ejercicio cíclico
d)- es mayor el diámetro de la cavidad del corazón y es mayor el grosor del ventrículo
e)es menor el grosor de la aurícula
5- una miosina de tipo V1:
a)-tiene una actividad ATPasa intermedia
b) tiene una actividad ATPasa alta
c)- tiene una actividad ATPasa baja
d)-el corazón se dilata más rápido
e)-el corazón se contrae más lento
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