Mock Questions

Question 1

What cerebral artery supplies the medial aspect of the frontal lobes and the corpus callosum?

Answer 1

Anterior cerebral

Question 2

Which brainstem nuclei is associated with motor function of the stylopharyngeus muscles?

Answer 2

Nucleus ambiguus

Question 3

How does cannabis provide a rewarding stimulus?

Answer 3

Increases dopamine release in the nucleus accumbens by disinhibition of interneurons. Mimics anandamide

Question 4

What is a characteristic of sudden stop of benzodiazepines?

Answer 4

Insomnia

Question 5

What drugs would you give at the different stages of anaesthesia?
Pre-medication
Fast induction
Maintenance

Answer 5

Pre-medication - atropine
Fast induction - thiopental
Maintenance - isoflurane

Question 6

What nucleus does the amygdala receive sensory inputs?

Answer 6

Lateral

Question 7

What do outputs from the amygdala to the periaqueductal gray cause?

Answer 7

Freezing

Question 8

What nucleus does the amygdala output to the hypothalamus for endocrine response?

Answer 8

Paraventricular

Question 9

Describe brainwaves in deep sleep

Answer 9

High voltage and low frequency

Question 10

Where are alpha waves found in the sleep cycle?

Answer 10

Prominent in drowsy state

Question 11

What waves are associated with the awake state?

Answer 11

Low voltage, high frequency beta waves

Question 12

Where is Wernicke’s area located?

Answer 12

Superior temporal gyrus

Question 13

What nerve terminal proteins are lost in Parkinson’s disease?

Answer 13

Dopamine transporter (DAT)

Question 14

What is a symptom of a posterior circulation stroke?

Answer 14

Isolated hemianopia

Question 15

What is a core principal of genetic counselling?

Answer 15

Supporting patient autonomy

Question 16

What is Balint’s syndrome?

Answer 16

Cannot see more than one object at a time, move eyes towards an object and cannot reach for something you’re looking at

Question 17

What is dementia with Lewy bodies associated with?

Answer 17

Increased alpha-synuclein in dopaminergic neurons

Question 18

Give an example of a generalised seizure

Answer 18

Myoclonic seizure

Question 19

What is a seizure precipitate?

Answer 19

Trigger factor

Question 20

In the case of patient H.M, what happened after surgery to treat epileptic seizures?

Answer 20

Had intact procedural memory

Question 21

Why is Lamotrigine the preferred anti-epileptic drug during pregnancy?

Answer 21

Not associated with significant incidence of birth defects

Question 22

Why is St John’s wort not used with the oral contraceptive?

Answer 22

Accelerated metabolism of contraceptive

Question 23

What eye movements are made by the superior oblique muscle?

Answer 23

Abduction, depression, intorsion

Question 24

What is the appearance of the internal capsule?

Answer 24

Major white matter structure

Question 25

What are the three core symptom domains of schizophrenia?

Answer 25

Positive symptoms, negative symptoms, cognitive dysfunction

Question 26

Hyperactivity of which neuronal pathway causes schizophrenia?

Answer 26

Mesolimbic

Question 27

What receptor do schizophrenia drugs target?

Answer 27

Dopamine D2

Question 28

What COX-2 inhibitor shows few GI problems?

Answer 28

Celecoxib

Question 29

Which laminae region are opioid receptors expressed?

Answer 29

Superficial laminae

Question 30

What type of receptors are opioid receptors?

Answer 30

G protein-coupled receptors

Question 31

What systems controls involuntary facial movements (e.g. genuine smile)?

Answer 31

Extrapyramidal motor system

Question 32

Where does the Purkinje layer of the Cerebellar cortex output to?

Answer 32

Cerebellar nuclei