john is trying to make friends at a new school. as people approach him, he interprets his increased heart rate as fear instead of excitement. since he is scared, he does not try to talk to the newcomers. this example is best explained by:



Answer :

As people approach him, he interprets his increased heart rate as fear instead of excitement. since he is scared, he does not try to talk to the newcomers. this example is best explained by altruistic acts that ensure the survival of the next generation.

Tachycardia is an elevated coronary heart rate for any motive. it may be a usual upward thrust in heart rate resulting from workout or a stress reaction (sinus tachycardia). Sinus tachycardia is taken into consideration a symptom, now not a ailment. Tachycardia also can be resulting from an abnormal coronary heart rhythm (arrhythmia).

You can need to start with a visit on your health care company if your heart fee is always above one hundred beats per minute or underneath 60 beats consistent with minute (and you are now not an athlete), or in case you're also experiencing shortness of breath, fainting spells, lightheadedness or feeling fluttering or palpitations in your chest

This may be due to the fact an accelerated resting heart charge can be a caution signal of a cardiovascular trade, like better blood stress or early heart ailment. other motives a resting coronary heart rate may additionally fashion upward encompass a terrible response to medicinal drug, extended thyroid hormone degrees, anemia, or an underlying contamination.

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