Cerebrum

Question 1

What are the lobes that the brain is divided in and their boundaries

Answer 1

Frontal lobe
Parietal lobe
Temporal lobe
Occipital lobe
The frontal lobe is separated from the parietal lobe by a sulcus called the central sulcus. The parietal lobe is separated from the occipital lobe by another sulcus called the parietooccipital sulcus. The temporal lobe is separated from the frontal and parietal lobe by another sulcus call3 the lateral sulcus. The is also a notch on the inferior side between the occipital and temporal lobe and it’s called the prioccipital notch, if we draw and imaginary line from that notch up to the pariatooccipital sulcus, then it makes a perfect separation between the temporal and occipital lobe

Question 2

What are the nucleuses you can find in the frontal lobe

Answer 2

Primary motor cortex - pricentral gyrus
Motor association cortex
Frontal eye field
Prefrontal cortex
Broca’s area

Question 3

What is the function of the precentral gyrus

Answer 3

The precentral gyrus also called the primary motor cortex - it stimulates voluntary movement of skeletal muscles - more precisely the limbs/trunk and head/neck

Question 4

What’s the function of the motor association cortex

Answer 4

It’s involved in planning, sequencing and executing the motor movements

Question 5

What’s the function of the frontal eye field

Answer 5

Voluntary saccadic eye movement.

Question 6

What’s the function of the prefrontal cortex

Answer 6

It’s involved in our personalities/behaviour
Working memory
Cognitive
Intellect
Reasoning, judgment and decision making
Motor planning

Question 7

What’s the function of Broca’s area

Answer 7

It’s involved in muscles of speech production
Located primarily on the dominant hemisphere - left side of the frontal lobe on right handed people

Question 8

Name all the nucleus’s of the parietal lobe

Answer 8

Primary somatosensory cortex - also called post central gyrus
Somatosensory association cortex
Posterior association cortex

Question 9

What’s the function of the primary somatosensory cortex

Answer 9

Fine touch or discriminative touch
Pain & temp
Proprioception

Question 10

What’s the function of the somatosensory association cortex

Answer 10

Analysis of somatic sensation
Recognition of these somatic sensations

Question 11

What’s the function of the posterior association cortex

Answer 11

This one is also called multi modity association, this is because all the information that’s “collect” by the visual, auditory & sensory cortex’s all meet here

Question 12

Name all the nucleus’s of the temporal lobe

Answer 12

Primary auditory cortex
Auditory association cortex
Wernickets area
Primary olfactory cortex and association cortex

Question 13

What’s the function of the primary auditory cortex

Answer 13

Awareness of sound such as the pitch, frequency & location of the sound

Question 14

What’s the function of auditory association cortex

Answer 14

To analyse, recognise and make sense of the sound based on the pitch, frequency and location of it. Also to store it in memory for you to recognise the sound when you hear it again

Question 15

What’s the function of wernickets area

Answer 15

Language comprehension
Written & spoken

Question 16

What’s the function of primary olfactory cortex and association cortex

Answer 16

Awareness of smell & to analyse & recognition of smell

Question 17

Name the parts of the basal ganglia

Answer 17

Caudate
Putamen
Globus pallidus
Sub thalamus
Thalamus
Substansia nigra

Caudate & putamen makes together striatum
Putamen & globes pallidus make together lentiform

Question 18

what is nuclei

Answer 18

A group of cell bodies present in the central nervous system

Question 19

What is ganglion

Answer 19

A group of cell bodies present in the peripheral nervous system

Question 20

Which fibers carry the slow pain and which ones carry fast pain + through which tract

Answer 20

C fibers carry slow pain and A delta fibers carry fast pain and both through the spinothalamic tract

Question 21

Name all the cranial nerves

Answer 21

1. Olfactory n.
2. Optic N.
3. Oculomotor N.
4. Trochlear N.
5. Trigeminal N.
6. Abducens N
7. Facial N.
8. Vestibularcochlear N.
9. Glossopharygeal N.
10. Vagus N.
11. accessory N.
12. Hypoglossal N.

Question 22

Name CN1

Answer 22

Olfactory nerve

Question 23

Name CN 2

Answer 23

Optic nerve

Question 24

Name CN 3

Answer 24

Oculomotor nerve

Question 25

Name CN 4

Answer 25

Trochlear nerve

Question 26

Name CN 5

Answer 26

Trigeminal nerve

Question 27

name CN 6

Answer 27

Abducens nerve

Question 28

Name CN 7

Answer 28

Facial nerve

Question 29

Name CN 9

Answer 29

Glossopharyngeal nerve

Question 30

Name CN 8

Answer 30

Vestibulocochlear nerve

Question 31

Name CN 10

Answer 31

Vagus nerve

Question 32

Name CN 11

Answer 32

Accessory nerve

Question 33

Name CN 12

Answer 33

Hypoglossal nerve

Question 34

Where can you find the medial geniculate ncl and what is its function

Answer 34

We can fiddle it in the thalamus - precisely in the lateral portion
Medial geniculate ncl - is involved with hearing. It receive input from the inf. colliculus, which receives its information from the vestibulocochlear nerve, through the lateral lemeniscus

Question 35

Where can wee find the lateral geniculate ncl and what is its function

Answer 35

We can find it in the thalamus - precisely lateral posterior portion. It’s involved with vision, it receives information from the optic nerve through the optic tract and it sends tat information on to the primary visual cortex in the occipital lobe

Question 36

What’s is the function of superior colliculus & the inferior colliculus

Answer 36

Superior colliculus: involved with reflective movements of the head from a visual stimulus
Inferior colliculus; involved with reflective movements of the head from auditory stimulus