DP Chemistry (last assessment 2024)

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Question 17N.3.sl.TZ0.a

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Date November 2017 Marks available [Maximum mark: 2] Reference code 17N.3.sl.TZ0.a
Level sl Paper 3 Time zone TZ0
Command term Describe Question number a Adapted from N/A
a.
[Maximum mark: 2]
17N.3.sl.TZ0.a

Some analgesics are derived from compounds found in plants.

Aspirin is a mild analgesic derived from salicylic acid found in willow bark.

Describe how mild analgesics function.

[2]

Markscheme

prevents/interferes with the production of prostaglandins

OR

prevents/interferes with the production of substances responsible for

inflammation/pain/fever

at the site of injury/source of pain

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