To check the function of the thyroid gland, a patient drinks a solution of radioactive iodine. Why is this?

Choose 1 answer

the solution can help us to see inside the patient's mouth and down their throat

the radioactive iodine removes any issues with the function of the thyroid gland if there are problems

the radioactive iodine emits gamma radiation which passes into the body and can be detected

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We can do bone scans by using a type of radioactive isotope. What radiation does this emit?

Choose 1 answer

alpha

omega

gamma

acidic

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Radioactive tracers are used to scan bones; however, they emit certain types of radiation. Select the two correct answers of the two types of radiation which tracers usually emit.

Drag the images into the correct place.

Correct Answers

Incorrect Answers

alpha

gamma

omega

beta

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Why are alpha emitters not used as tracers?

Choose 1 answer

alpha particles would not pass out of the body

the particles are too weak to use on humans and would not detect anything

the half-life is too short to work as a tracer

alpha particles pass out of the body too quickly to be useful

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Fill in the blanks.

Select the missing words in the text.

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Answer incorrect

Look at the slide below to work out the answer.