
Cuestionario ECOGRAFIA
Authored by Nickol Yufra
Science
University
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5 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
1. El ultrasonido está representado por ondas mecánicas longitudinales con una frecuencia mayor:
A)50,000 ciclos.seg
B)20,000 ciclos.seg
C)15,000 ciclos.seg
D)30,000 ciclos.seg
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
2. La frecuencia que funcionan los transductores en un ultrasonido de diagnóstico es de:
2. La frecuencia que funcionan los transductores en un ultrasonido de diagnóstico es de:
A) 1 a 2 MHz(millones de ciclos.seg
B) 3 a 6 MHz(millones de ciclos.seg
C) 4 a 8 MHz(millones de ciclos.seg
D) 2 a 5 MHz(millones de ciclos.seg
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
3.La velocidad de sonido es la distancia que recorre por segundo ¿cuál es la velocidad promedio en un ultrasonido?
A) 1540 m/seg
B) 9500 m/seg
C)1000 m/seg
D)3300 m/seg
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
4.En los componentes físicos de la ecografía la física del ultrasonido es la conversión de energía sónica en calor se refiere a:
A)Dispersión
B)absorción
C)Reflexión
D)Refracción
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
5.Consiste en que el transductor emplea un único cristal que actúa como emisor y receptor del pulso de ecos, corresponde a ecografia:
A)Doppler pulsado
B)Doppler color
C)Doppler tisular
D)Doppler continuo
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