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The relationship between cardiac output, heart rate and stroke volume is defined as:Question 1Select one:a.Heart rate = cardiac output / stroke volumeb.Cardiac output = stroke volume / heart ratec.Stroke volume = cardiac output X heart rated.Cardiac output = heart rate / stroke volume

Question

The relationship between cardiac output, heart rate and stroke volume is defined as:Question 1Select one:a.Heart rate = cardiac output / stroke volumeb.Cardiac output = stroke volume / heart ratec.Stroke volume = cardiac output X heart rated.Cardiac output = heart rate / stroke volume

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Solution

Para responder a la pregunta, primero debemos entender las definiciones de los términos involucrados:

  • Cardiac output (gasto cardíaco): Es el volumen de sangre que el corazón bombea por minuto.
  • Heart rate (frecuencia cardíaca): Es el número de latidos del corazón por minuto.
  • Stroke volume (volumen sistólico): Es el volumen de sangre bombeado por el corazón en cada latido.

La relación entre estos términos se expresa mediante la fórmula:

Cardiac output=Heart rate×Stroke volume \text{Cardiac output} = \text{Heart rate} \times \text{Stroke volume}

Ahora, revisemos cada opción:

a. Heart rate = cardiac output / stroke volume

  • Despejando la frecuencia cardíaca de la fórmula original: Heart rate=Cardiac outputStroke volume \text{Heart rate} = \frac{\text{Cardiac output}}{\text{Stroke volume}}
  • Esta opción es correcta.

b. Cardiac output = stroke volume / heart rate

  • Esta opción no es correcta porque la fórmula correcta es: Cardiac output=Heart rate×Stroke volume \text{Cardiac output} = \text{Heart rate} \times \text{Stroke volume}

c. Stroke volume = cardiac output X heart rate

  • Esta opción no es correcta porque la fórmula correcta es: Stroke volume=Cardiac outputHeart rate \text{Stroke volume} = \frac{\text{Cardiac output}}{\text{Heart rate}}

d. Cardiac output = heart rate / stroke volume

  • Esta opción no es correcta porque la fórmula correcta es: Cardiac output=Heart rate×Stroke volume \text{Cardiac output} = \text{Heart rate} \times \text{Stroke volume}

Por lo tanto, la respuesta correcta es:

a. Heart rate = cardiac output / stroke volume

This problem has been solved

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