Explanation:
When a patient is first admitted to an emergency room, hospital staff will assess whether the patient is very well or not and
AAO, which may indicate the level of crisis the patient is in.
First aid: help given to a sick or injured individual until full medical treatment is available
Answer:
Option-D
Explanation:
The myocardial cells form the cardiac muscle present in the heart. The heart receives its signal from the autonomic nervous system but not all the cells receive the signals.
The SV and AV node present in the upper heart produces the potential for the contraction. The action potential gets transferred through the cell and finally reach the lower ventricle through Purkinje fibres.
This allows the contraction of both the ventricles simultaneously and sows that the heart cells contract simultaneously.
Thus, Option-D is the correct answer.
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