medición de analítos
Quiz
•
Biology, Chemistry
•
3rd Grade
•
Medium
Alejandra Espinosa
Used 5+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La medición de la absorbancia de NADPH, en una reacción para medir LDH, se realiza usando como fuente de radiación una lámpara en que emita en el espectro:
UV
Visible
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Es la probabilidad de que un sujeto con un resultado negativo en la prueba esté realmente sano
valor predictivo negativo
valor predictivo positivo
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál de los siguientes analitos se mide mediante técnica de dos puntos?
glicemia
ASAT
creatinina
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El siguiente concepto: "Es el valor por sobre el cual se considera positivo o negativo el resultado de un test"
Corresponde a:
Linealidad
limite de cuantificación
punto de corte
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los criterios clínicos y los estadísticos para puntos de corte en la medición de un analito siempre coinciden
verdadero
falso
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pueden existir pruebas o exámenes con el mismo principio químico de medición pero con diferente validez
verdadero
falso
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿con que parámetros se puede evaluar la validez de una prueba para distinguir entre sanos y enfermos?
evaluando sensibilidad
evaluando especificidad
evaluando sensibilidad y especificidad
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