DP Chemistry (first assessment 2025)

Test builder »

Question 23M.2.SL.TZ2.17a

Select a Test
Date May 2023 Marks available [Maximum mark: 2] Reference code 23M.2.SL.TZ2.17a
Level SL Paper 2 Time zone TZ2
Command term Explain Question number a Adapted from N/A
a.
[Maximum mark: 2]
23M.2.SL.TZ2.17a
(a)

Explain how strong analgesics like morphine work.

[2]

Markscheme

«temporarily» binding to receptors in the nervous system/spinal cord/brain ✓

preventing transmission of pain impulses ✓

 

Accept “bonding” for “binding” in M1.

Accept “without depressing the central nervous system” for M2.