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Sergio [31]
3 years ago
13

Should you make sure the scener is clear before you help ?

Health
2 answers:
valentina_108 [34]3 years ago
7 0

Answer:

true

Explanation:

you do not want to put yourself in any danger

mamaluj [8]3 years ago
3 0
True

you do not want to put yourself in danger
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Mary is 14 years old. Her resting heart rate 70 beats per minute. Calculate 50% of Mary maximum heart rate to fine her target he
kozerog [31]

Answer:

Mary's target heart rate  is 103 beats per minute (bpm).

Explanation:

The maximum heart rate (MHR) is the rate at which the human heart of a given person reaches the highest demands. At rest, the heart rate is about 60 to 80 beats per minute.

MHR = 220 - age

So, for Mary: MHR = 220 - 14 = 206 beats per minute (bpm)

Now we can calculate Mary's target heart rate:

Target heart rate = MHR * 50% = 206 * 0.5 = 103  beats per minute (bpm)

Hope this helped!

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3 years ago
What is the difference between myocardial infarction (MI) and cardiac arrest? Are the signs and symptoms different?
alexira [117]

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. A heart attack occurs when the blood supply to part of the heart stops and thus causes a section of the heart muscle to begin to die; whereas a cardiac arrest occurs when the heart stops beating as a whole.

7 0
3 years ago
What is the average height for a 14-year-old american girl in feet
Oliga [24]

Answer:

5,2

Explanation:

half of the girls in the world are 5,2 99% of girls in high schools are 5,2 or 5,3

6 0
2 years ago
Read 2 more answers
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