Which of the following statement is/are correct?

A marathon runner is likely to show
1. Reduced heart rate
2. Enlarged heart
3. Larger stroke volume
4. Decreased arterial blood pressure

All of the above

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1, 2 and 3

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1 and 2

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1 alone

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Solution

The correct option is B
1, 2 and 3

For a marathon runner, the heart rate is about 38 beats per minute. The heart is slightly enlarged as the stroke volume increases according to how you exercise, because your body needs more oxygen and nourishment, which are both received from the blood.

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Which of the following statement is/are correct?

A marathon runner is likely to show
1. Reduced heart rate
2. Enlarged heart
3. Larger stroke volume
4. Decreased arterial blood pressure

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(2)

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(3)

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(4)

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The cardiac activity could be moderated by the autonomous neural system.
Tick the correct answer.
(a) The parasympathetic system stimulates heart rate and stroke volume
(b) The sympathetic system stimulates heart rate and stroke volume
(c) The parasympathetic system decrease the heart rate but increase stroke volume
(d) The sympathetic system decreases the heart rate but increases stroke volume

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Which of the following statement is/are correct? A marathon runner is likely to show 1. Reduced heart rate 2. Enlarged heart 3. Larger stroke volume 4. Decreased arterial blood pressure

The correct option is B 1, 2 and 3 For a marathon runner, the heart rate is about 38 beats per minute. The heart is slightly enlarged as the stroke volume increases according to how you exercise, because your body needs more oxygen and nourishment, which are both received from the blood.

Which of the following statement is/are correct?

A marathon runner is likely to show
1. Reduced heart rate
2. Enlarged heart
3. Larger stroke volume
4. Decreased arterial blood pressure

The correct option is B
1, 2 and 3

For a marathon runner, the heart rate is about 38 beats per minute. The heart is slightly enlarged as the stroke volume increases according to how you exercise, because your body needs more oxygen and nourishment, which are both received from the blood.