Extremity arteriography?

Extremity arteriography?
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DefinitionExtremity arteriography is a test that uses x-rays and a special dye (contrast material) to see the arteries in the hands, arms, feet, or legs.Alternative NamesAngiography/arteriography of the extremityHow the test is performedExtremity arteriography is done in a hospital or medical center. You will lie on an x-ray table. You may ask for a sedative if you are anxious about the test.The health care provider will shave and clean an area, usually in the groin area. A numbing medicine (anesthetic) is applied, and a needle inserted into an artery. A thin plastic tube called a catheter is passed through the needle, into the artery, and up into the area of the body being studied. The doctor can see live images of the area on a TV-like monitor, and uses them as a guide.The dye flows thro
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Description : A stone weighing 20 N is whirling in a vertical circle at the extremity of a string 100 cm long. The tension in the string will be zero a.at the highest position b.at the lowest position c.at the midway position d.at none of the above e.107 dynes

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Description : A positive damper clamps which extremity of the output signal to 0 volts?

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