Blood lactate is a biochemical by-product that is produced during high-intensity exercisedue to insufficient oxygen intake. Commercially available drinks advertised as oxygen sup-plements claim to increase exercise performance and decrease the postexercise recoveryperiod by decreasing the accumulation and accelerating the removal of blood lactate.To test this claim, researchers conducted a controlled experiment to compare the concen-tration of blood lactate during exercise and during recovery between two participantgroups, one that ingested oxygen-supplemented water and another that ingested regularwater.blood lactate (millimole/liter)UABstartсExerciseDmiddle-o-oxygen-supplemented waterregular waterfinishThe mean blood lactate concentration during exercise (left) and recovery (right)Which of the following identifies the dependent variable in this experiment?the concentration of blood lactatethe duration of the recovery periodblood lactate (mmol/liter)the ingestion of oxygen-supplemented waterthe intensity of the exercisebRecovery36 9 12 15 18 21 24 27 30time (mins)--oxygen-supplemented waterregular water

INTRODUCTION : During any exercise or physical workout, lactate will be a byproduct formed when…

Which of the following identifies the dependent variable in this experiment? A the concentration of blood lactate с D the duration of the recovery period the ingestion of oxygen supplemented water the intensity of the exercise

Which of the following identifies the dependent variable in this experiment? A the concentration of blood lactate с D the duration of the recovery period the ingestion of oxygen supplemented water the intensity of the exercise

Essentials Of Human Development

1st Edition

ISBN:9781285647357

Author:Kail

Publisher:Kail

Chapter4: The Emergence Of Thought And Language: Cognitive Development In Infancy And Early Childhood

Section4.1: The Onset Of Thinking

Problem 9TY

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Concept explainers

Spheres of physical activity

The spheres of physical activity experience include aspects of everyday life where physical activity is important. In general, the spheres recognize various purposes of physical activity in different contexts. The spheres of physical activity provide a broad basis for assessing the significance and prevalence of physical activity. There are seven spheres of physical activity experience.

Question

Blood lactate is a biochemical by-product that is produced during high-intensity exercise
due to insufficient oxygen intake. Commercially available drinks advertised as oxygen sup-
plements claim to increase exercise performance and decrease the postexercise recovery
period by decreasing the accumulation and accelerating the removal of blood lactate.
To test this claim, researchers conducted a controlled experiment to compare the concen-
tration of blood lactate during exercise and during recovery between two participant
groups, one that ingested oxygen-supplemented water and another that ingested regular
water.
blood lactate (millimole/liter)
U
A
B
start
с
Exercise
D
middle
-o-oxygen-supplemented water
regular water
finish
The mean blood lactate concentration during exercise (left) and recovery (right)
Which of the following identifies the dependent variable in this experiment?
the concentration of blood lactate
the duration of the recovery period
blood lactate (mmol/liter)
the ingestion of oxygen-supplemented water
the intensity of the exercise
b
Recovery
36 9 12 15 18 21 24 27 30
time (mins)
--oxygen-supplemented water
regular water

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