Drug action CNS

Question 1

Difference between affect and mood

Answer 1

affect = outward expression of emotion

Mood is internal

Question 2

What is a delusion?

Answer 2

A perceptual experience without the presence of a stimulus

Question 3

What is intelligence?

Answer 3

Previous Learning adapted to meet a new situation

Question 4

Psychosis

Answer 4

• Impaired reality testing
• incorrect evaluation of accuracy of perceptions
• Incorrect inferences about the external reality

Question 5

3 symptoms of psychosis and give an example

Answer 5

Delusions
Hallucinations
Incoherent Speech
e.g. schizophrenia

Question 6

Neurosis

Answer 6

Non-psychotic
- reality testing is intact
Mainly characterised by anxiety
e.g. phobias

Question 7

neuropeptides, nitric oxide, neurotension and substance P are all examples of…

Answer 7

Neuromodulators

Question 8

Role of dopamine

Answer 8

• initiating and sustaining movement

- reward circuit + addictive behaviour

Question 9

Disorder associated with hyperactive DA

Answer 9

Schizophrenia

Question 10

Low levels of DA are associated with

Answer 10

Parkinson’s

Question 11

Low levels of Ach are associated with

Answer 11

Alzheimer’s

Ach has a role in memory

Question 12

Glutatmate has a role in

Answer 12

Learning and memory

Question 13

Low levels of GABA function are associated with

Answer 13

Anxiety

Epilepsy