DP Chemistry (last assessment 2024)

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Question 18M.3.sl.TZ1.13d.i

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Date May 2018 Marks available [Maximum mark: 1] Reference code 18M.3.sl.TZ1.13d.i
Level sl Paper 3 Time zone TZ1
Command term Outline Question number d.i Adapted from N/A
d.i.
[Maximum mark: 1]
18M.3.sl.TZ1.13d.i

Many drugs, including aspirin, penicillin, codeine and taxol, have been modified from compounds that occur naturally.

(d.i)

Morphine and codeine are strong analgesics. Outline how strong analgesics function.

[1]

Markscheme

temporarily bind to/block/interfere with receptor sites in brain

OR

prevent transmission of pain impulses within CNS/central nervous system

[1 mark]

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