
TEMA 1. Historia y futuro
Quiz
•
Science
•
2nd Grade
•
Practice Problem
•
Medium
Alex de Cózar
Used 4+ times
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35 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Quién descubrió la radiactividad natural en 1896?
Marie Curie
Ernest Rutherford
Henry Becquerel
William Duane
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En 1905 se usó por primera vez radio-226 para tratar:
Cáncer de mama
Tumores cutáneos
Cáncer de pulmón
Tumores óseos
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué elemento sustituyó al Ra-226 en la década de 1950?
Yodo-125
Iridio-192
Cesio-137
Estroncio-90
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El número atómico de un elemento representa:
La suma de protones y neutrones
El número de protones del núcleo
El número de neutrones
La masa total en gramos
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué tipo de emisión implica la conversión de un neutrón en protón, liberando un electrón?
Alfa
Beta negativa (β⁻)
Beta positiva (β⁺)
Captura electrónica
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué ventaja principal ofrece la braquiterapia frente a la teleterapia?
Alta conformación y menor dosis fuera del volumen tumoral
Mayor dosis en tejidos sanos
Menor control de la dosis
Mayor tiempo de tratamiento
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1 Curio equivale a:
1 desintegración por segundo
1,6 × 10⁻¹⁹ Culombios
3,7 × 10¹⁰ desintegraciones por segundo
2,7 × 10⁻¹¹ desintegraciones por segundo
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