Which of the following is true about a renal scan?

select one:

a. it uses radioactive particles and a scanner to create an image.

b. all of the above.

c. it uses a radioactive isotope injected intravenously.

d. it is used to look for signs of rejection of a transplanted kidney.

All of the above.

Explanation:

Renal scan is a nuclear medicine examination in which a small amount of radioactive particle is injected into the veins of hand or arm, the amount of radioisotope injected varies according the examination.The injected radioisotope releases Gamma rays. The scanner will detect the gamma rays, hence create the images of that particular area.

This is done to check weather the kidney is properly functioning or not. It checks both structural(size and shape) and functional abnormalities. It requires  45minutes -3hours for the examination to take place.

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