Brain Anatomy

Question 1

Which lobe is the precentral gyrus part of?

Answer 1

Frontal

Question 2

What lobe is the postcentral gyrus part off?

Answer 2

Parietal

Question 3

Where is Broca’s area?

Answer 3

On the inferior frontal gyrus

Question 4

Which hemisphere is Broca’s more commonly found in?

Answer 4

The left

Question 5

Which gyri is the auditory complex found on?

Answer 5

Superior temporal gyri

Question 6

What is the function of Broca’s area?

Answer 6

Motor aspect of speech - speech associated gestures

Question 7

What does damage to Broca’s area do?

Answer 7

Expressive aphasia

- non-fluent and slow speech

Question 8

Where is wernicke’s area found?

Answer 8

Within the auditory association cortex

Question 9

What is the function of Wernicke’s?

Answer 9

Sensory language areas, lexical processing

Question 10

What cam damage to Wernicke’s area cause?

Answer 10

Receptive aphasia

- extremely poor comprehension

Question 11

What are the most anterior and posterior parts of the corpus callosum called?

Answer 11

Genu (anterior)

Splenium (posterior)

Question 12

What is the rostrum of the corpus callosum?

Answer 12

The part that projects inferiorly and posteriorly from the Genu

Question 13

Where is CSF made?

Answer 13

Choroid plexus within the ventricular system of the brain

Question 14

How much CSF is produced per day, and what happens to it when it’s been used?

Answer 14

500ml produced per day
140ml circulates through the subarachnoid space
Reabsorbed into the venous drainage system

Question 15

What is the function of CSF?

Answer 15

Affords mechanical and immunological protection to the brain and spinal cord

Question 16

How does CSF pass from the lateral ventricles to the third ventricle?

Answer 16

Interventricular foramen

Question 17

How does CSF pass from the third ventricle to the fourth ventricle?

Answer 17

Through the aqueduct of midbrain

Question 18

Which structures make up the lentiform nucleus?

Answer 18

Putamen

Globus palidus

Question 19

What are the three borders of the lentiform nucleus?

Answer 19

Claustrum
Anterior limb
Posterior limb

Question 20

Which motor axons pass by the Genu of the lentiform nucleus?

Answer 20

Corticobulbar axons

Question 21

Which axons pass by the posterior boundary of the lentiform nucleus?

Answer 21

Corticospinal axons

Question 22

What are the three main pairs of arteries given off by the circle of Willis?

Answer 22

Anterior cerebral arteries
Middle cerebral arteries
Posterior cerebral arteries

Question 23

Roughly what areas of the brain does the anterior, middle and posterior cerebral arteries supply?

Answer 23

Anterior - frontal and parietal
Middle - temporal
Posterior - occipital

Question 24

Which eight, fused bones make up the cranial cavity?

Answer 24

Frontal
Occipital
Sphenoid 
Ethmoid 
2 x parietal
2 x temporal