Brain

Question 1

How does the brain communicate with the body?

Answer 1

The brain sends and receives information to and from the body via the nerves

Question 2

What are the large divisions of the brain?

Answer 2

• Brainstem
• Diencephalon
• Cerebellum
• Cerebral Hemispheres/Cerebrum

Question 3

What is the diencephalon composed of?

Answer 3

• Thalamus
• Hypothalamus
• Epithalamus

Question 4

What are the roles of the diencephalon?

Answer 4

• Integration of sensory info
• Interpretation of pain
• Some role with hormone release

Question 5

How is the cerebellum attached to the brainstem?

Answer 5

via 3 peduncles

Question 6

What is the cerebellum involved in?

Answer 6

maintaining balance + control

Question 7

What are the (4) lobes of the cerebrum?

Answer 7

• Frontal
• Parietal
• Occipital
• Temporal

Question 8

What are sulci (cerebrum)?

Answer 8

Grooves

Question 9

What are gyri (cerebrum)?

Answer 9

Wrinkled with hillocks

Question 10

Which fissure separates the 2 hemispheres?

Answer 10

Central or longitudinal fissure

Question 11

What white matter structure connects the 2 hemispheres?

Answer 11

The corpus callosum

Question 12

What is the name of the groove between the frontal and parietal lobes?

Answer 12

Central sulcus or fissure of Rolando

Question 13

What are deep sulci?

Answer 13

Fissures

Question 14

What is the frontal lobe responsible for?

Answer 14

• Some aspects of movement
• Behaviour
• Emotion
• Higher executive function
• Expressive speech

Question 15

What is the supplementary motor area involved in?

Answer 15

Preparation of self-initiated movement

Question 16

What is the name of the fissure between the temporal and frontal lobes?

Answer 16

Sylvian fissure

Question 17

What is the role of the premotor cortex?

Answer 17

Role in the preparation of sensory triggered movement and guiding complete behavioural acts

Question 18

What is the occipital lobe responsible for?

Answer 18

Vision

Question 19

What is the primary motor cortex responsible for?

Answer 19

Actual execution of movement

Question 20

What is the parietal lobe responsible for?

Answer 20

• Language
• Sensation
• Perception of space

Question 21

What is the temporal lobe responsible for?

Answer 21

• Hearing
• Expressive speech
• Memory

Question 22

What is the somatosensory cortex involved in?

Answer 22

Complex processing of sensory info

Question 23

What lobe is the somatosensory cortex in?

Answer 23

Parietal lobe

Question 24

How many lobes are there in a brain?

Answer 24

8

Question 25

What is the function of the occipital lobe?

Answer 25

Interpretation of vision

Question 26

What is the function of the cerebellum?

Answer 26

- Balance - Co-ordination - Proprioception

Question 27

What is the function of the basal ganglia?

Answer 27

Quality of Movement (QOM)

Question 28

What is the function of the frontal lobe?

Answer 28

- Movement - Higher executive function

Question 29

How many neurons are there in the brain?

Answer 29

Approx. 86 billion

Question 30

Where does blood drain away (from the brain)?

Answer 30

Empty into the dural venous sinus before flowing via the jugular vein back to the heart

Question 31

What lobes of the brain does the Middle Cerebral Artery (MCA) supply?

Answer 31

- Parietal lobe - Temporal lobe - Frontal lobe

Question 31

What is the name of some of the veins draining blood away from the brain?

Answer 31

Sinuses

Question 32

What protects the brain from contusion & infection?

Answer 32

- Glial Cells - Meninges - The Cerebrospinal Fluid (CSF) - Skull

Question 33

Which lobe of the brain does the Posterior Cerebral Artery (PCA) supply?

Answer 33

Occipital lobe

Question 34

Which lobe of the brain does the Anterior Cerebral Artery (ACA) supply?

Answer 34

Frontal lobe

Question 35

Which area of the brain does the Posterior inferior cerebellar artery supply?

Answer 35

Cerebellum

Question 36

What are the 4 lobes of the brain?

Answer 36

- Occipital - Temporal - Frontal - Parietal

Question 37

How heavy is the brain?

Answer 37

1.5 kg

Question 38

Which arteries supply the brain with blood?

Answer 38

- Internal carotid arteries (anterior) - Vertebral arteries (posterior)