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Darya [45]
3 years ago
7

Neither the participant nor the researcher knows to which group the participant is assigned.

Medicine
1 answer:
Naya [18.7K]3 years ago
6 0

Answer:

The answer is B double-blind study

Explanation:

In this type of scientific study neither the experimenter nor the researcher knows the study sample, during the period that the experiment lasts, in order not to influence the results.

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Analyze and explain how Morphine can be both helpful and harmful depending on the circumstances.
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What is the blood trace from the heart to lateral side of the left foot, back to heart using superficial pathway,to lungs and ba
Ksenya-84 [330]

Answer:

The pattern in which blood flows from the left side of heart the body , left foot and back to the heart is written below.

Explanation:

Left ventricle. ... As the heart contracts, blood eventually flows back into the left atrium, and then through the mitral valve, whereupon it next enters the left ventricle. From there, blood is pumped out through the aortic valve into the aortic arch and onward to the rest of the body

This is how blood flows through left side of the heart: The pulmonary veins empty oxygen-rich blood from the lungs into the left atrium. As the atrium contracts, blood flows from your left atrium into your left ventricle through the open mitral valve. When the ventricle is full, the mitral valve shuts.

For the blood to flow back the heart...

The valves close when blood starts to flow in one direction, so that blood in the veins can only flow in the direction back to the heart, which is up the legs. ... So it is a combination of blood pressure from the heart's pumping action, the valves, and muscle movement that gets the blood up the legs against gravity.

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3 years ago
Which of the following is true of a local anesthetic?
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Four Hope it helps lol
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