4. Defences and Liability

Insanity — Quiz

Test your understanding of insanity with 5 practice questions.

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Practice Questions

Question 1

Which of the following best describes the 'defect of reason' element under the M'Naghten Rules?

Question 2

A defendant is found 'not guilty by reason of insanity'. What is the primary legal consequence that typically follows this verdict in terms of their liberty?

Question 3

Under the M'Naghten Rules, if a defendant is aware of the physical nature of their act but, due to a 'disease of the mind', believes the act is morally justified despite knowing it is legally wrong, how would this typically be assessed?

Question 4

The 'disease of the mind' element of the M'Naghten Rules requires that the mental condition be internal and cause a defect of reason. Which of the following conditions would generally NOT qualify as a 'disease of the mind' under this interpretation?

Question 5

Consider a defendant who, due to a severe mental illness, genuinely believes they are acting under divine command to commit a crime. If they understand the physical act they are performing and know it is legally prohibited, what is the likely outcome under the M'Naghten Rules?