All of these are factors but A. Seems to be the best answer
According to the research, the correct option is the RR interval must be absolutely constant. It is a characteristic of normal sinus rhythm.
<h3>What is arrhythmia?</h3>
It implies a disorder of the rhythm that makes it not stable or regular and is caused by a failure in the electrical system of the heart rhythm, called the excitation and conduction system.
In this sense, it implies a disorder in the systole of the heart affecting the sinus rhythm that is considered normal in relation to the heart when the RR interval, which is the distance between two successive R waves, is constant, when the waves deviate from sinus rhythm, it is probable that they reveal the existence of some cardiac pathology.
Therefore, we can conclude that according to the research, the correct option is the RR interval must be absolutely constant. It is a characteristic of normal sinus rhythm.
Learn more about arrhythmia here: brainly.com/question/13095303
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Alcoholic hepatitis and cirrhosis are conditions affecting the liver
Answer:
The correct answer is- direct supervision
Explanation:
A dentist is said to be providing direct supervision when the dentist is present physically in the same treatment area where the patient is present after examined the patient and he authorizes the procedure that has to be performed in the treatment area and is available all the time in the treatment area during the procedure.
So in direct supervision, the dentist takes full professional responsibility for the treatment and procedure followed under him or her. So the correct answer is direct supervision.
