DP Physics (last assessment 2024)

Test builder »

Question 20N.3.HL.TZ0.17b

Select a Test
Date November 2020 Marks available [Maximum mark: 1] Reference code 20N.3.HL.TZ0.17b
Level HL Paper 3 Time zone TZ0
Command term State Question number b Adapted from N/A
b.
[Maximum mark: 1]
20N.3.HL.TZ0.17b

The photograph shows an X-ray image of a hand.

© International Baccalaureate Organization 2020.

 

(b)

X-ray images of other parts of the body require the contrast to be enhanced. State one technique used in X-ray medical imaging to enhance contrast.

[1]

Markscheme

collimation ✓

fluorescent screens «each side of photographic plate» ✓

barium/magnesium meal ✓

Examiners report

Almost all candidates were familiar with different techniques to enhance contrast. A barium meal was the most popular one.

Syllabus sections