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Date May 2015 Marks available 2 Reference code 15M.3.SL.TZ2.15
Level Standard level Paper Paper 3 Time zone Time zone 2
Command term State Question number 15 Adapted from N/A

Question

Compare the effects of cocaine and THC.

[4]
a.

State one other example of an excitatory and an inhibitory psychoactive drug.

Excitatory drug:  .....................................................

Inhibitory drug:  .....................................................

[2]
b.

Markscheme

Answers do not need to be in a table format.

 

a.

a. excitatory drug: nicotine / amphetamines/ other drug;
b. inhibitory drug: benzodiazepines / alcohol / other drug;

b.

Examiners report

Comparison of the effects of cocaine and THC were generally poor. Candidates wrote all they knew about cocaine then all they knew about THC without providing contrasting statements. Many failed to score more that the fact that one was excitatory and one was inhibitory.

a.

Many repeated THC and cocaine despite being asked for one other example.

b.

Syllabus sections

Option A: Neurobiology and behaviour » Option A: Neurobiology and behaviour (Additional higher level topics) » A.5 Neuropharmacology
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