X-rays, CT Scans and Ultrasound

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X-rays, CT Scans and Ultrasound

Advantages

  • Of X-rays: Produce clear images of bones and metal
  • Of CT Scans: They produce detailed images. They can also be used to diagnose complicated illnesses. The images are high resolution. They also can be 3D images so can be used in the planning of complicated surgery.
  • Of Ultrasound: They are non-ionising so aren't dangerous on developing foetuses.

Disadvantages

  • Of X-rays: They are ionising so they can cause cancer if exposed to too high a dose.
  • Of CT Scans: They use more x-ray radiation than normal x-rays so the patient is exposed to even more radiation, so have an increased risk of developing cancer, so not used unless really needed.
  • Of Ultrasound: They produce fuzzy images so it is hard to diagnose a lot of problems using this type of scanning that's why it is used mainly for pre-natal scanning.

Evaluation

They are good for the type of role that they perform.

Comments

Miss KHP

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There are always longer answer questions in the AQA GCSE Science exams.

So get used to practicing them with this learning grid.

I like how this has advnatages, disadvantages AND an evaluation so that you can practice writing a conclusion to your answer. Saves you time so you don't have to think of your own advantages and disadvantages and then check if they are correct- they are here for you already!

HannanShafique

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