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Nervous System And Pre& Post Op > Nervous System > Flashcards

Nervous System Flashcards

1
Q

Function of prefrontal cortex

A

Personality
Selfcontrol
Problem solving

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2
Q

Function of Broca’s area

A

Speaking and writing language

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3
Q

Function of Motor cortex

A

Cooperate with cerebellum so that we can carry out our voluntary movement

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4
Q

Function of somatosensory cortex

A

Process information from receptors on the skin so that we can generate complex movement sequences btw left side of brain receive signal from right of the body and vice versa

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5
Q

Thalamus is also called…

A

Gateway of consciousness

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6
Q

Thalamus is a part of what part

A

Part of diencephalon

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7
Q

Senses received by Thalamus

A

All senses (except olfactory) are processed and filtered by it before they reach the ipsilateral NEOcortex {Theneocortex, also called theneopallium,isocortex, or thesix-layered cortex, is a set of layers of themammaliancerebral cortexinvolved in higher-order brain functions such assensory perception, cognition, generation ofmotor commands,[1]spatial reasoningandlanguage.[2]The neocortex is further subdivided into thetrue isocortexand theproisocortex.[3]}

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8
Q

Corpus callosum

A

Exchange of information and coordination between two hemisphere
(e.g.So the left hand knows what the right hand is doing)

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9
Q

Hypothalamus control what

A

It controls automatic nervous system (e.g. regulate correct setting of body temperature and blood pressure. also controls thirst and hunger

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10
Q

Parts of limbic system

A

Hippo campus
Amigdala
Fornix with mammillary body in front

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11
Q

Location of limbic system

A

Deep into the cerebrum

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12
Q

Function of hippocampus

A

Memory formation

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13
Q

Function of amygdala

A

Store information about danger

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14
Q

What will happen if hippocampus is destroyed or removed

A

Person Will unable store new memories

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15
Q

Cerebellum

A

Is smaller than cerebrum but higher cellular density

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16
Q

Most important Nerve cell in cerebellum

A

Purkinje cell which can be regarded as most complex neuron in entire nervous system

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17
Q

Function of cerebrum

A

It is able to transform planned movement pattern of cerebrum into coordinated movement sequences and without is our harmonious movement like walking will not be possible

18
Q

Pituitary is a Part of …

A

Diencephalon

19
Q

Function of pituitary gland

A

Hormonal regulation of growth, metabolism, reproduction

20
Q

Control of sleep wake cycle

A

By pineal gland also known as emphasis cerebri by secretion of melatonin hormone

21
Q

Content of vertebral column

A

Fatty tissue
Connective tissue
Spinal cord

22
Q

How does arachnid matter connect pia mater

A

Via arachnoid trabeculae

23
Q

Content of spinal nerve

A

Blood vessels
Nerve fascicles
(A nerve fascicle is a bundle of nerve fibers belonging to a nerve in the peripheral nervous system.[1] A nerve fascicle is also called a fasciculus,[2] as is a nerve tract in the central nervous system.)

24
Q

Enclosing connective tissues of spinal nerve

A

From within outwards
1.Nerve fibers are endless by endoneurium ( Swann cells are located under this protected later. These cells increase conduction speedb with hello of regular interruptions called nodes of Ranvier
2. Fascicles are enclosed by perineurium
3. Never thunk stroma and covering is epineurium

25
Q

Presynaptic terminal knobs

A

They are located at the end of axons. They contain calcium channels which open via electrical impulse and allow calcium ions to follow in. There are approximately 200-500 neurotransmitters containing vesicles within terminally knobs. Calcium ions enable this vesicle to fuse with membrane causing exocytosis of neurotransmitter. Neurotransmitters are absorbed by receptors located at post synaptic membrane of dendrites which convert the neurotransmitter back into electrical impulse.
Terminal buttons can also transmit impulses directly on cells,muscles, another axons or terminal button

26
Q

Postsynaptic spines

A

They are part of the dendrites for receiving signal from another nerve cells.The spines can be of many forms including stubby and thin.

27
Q

Dorsal root ganglion

A

Contain cell bodies of sensory neuron which are pseudounipolar(axon is divided into two branches, one at periphery and other at CNS

28
Q

Orders of neuron for sensation via spinal cord

A

First order: sensory neuron via axon from periphery to another neuron in spinal cord
Second order: neuron in spinal cord transmitting implied to brain
Third order: another neuron from here to the somatosensory cortex
The impulse is then processed.

29
Q

Receptors in skin

A

Superficial in epidermis
1. Meissner’s corpuscles: pressure
2. Merkel cell: pressure
Deep in dermis
1. Ruffini corpuscles: stretch

30
Q

Function of brainstem

A

Comprising of-
midbrain, pons and medulla oblongata
Controlling-
Breathing
Circulation
Digestion
Routing and filtering information

31
Q

Function of cerebellum

A

Balancing
Coordinator
Motor memory(remembering riding a bicycle)

32
Q

Function of cerebellum

A

Balancing
Coordinator
Motor memory(remembering riding a bicycle)

33
Q

Function of Thalamus

A

Sorting data

34
Q

Function of hypothalamus

A

Homeostasis of temperature, osmolarity, circadian rhythm

35
Q

Function of cerebrum

A

Making a sender of information
Lateralization of the brain
(e g. LEFT: meaning right handed) is dominant in some functions like mathematical reasoning, logic, facial recognition, things we put on the right side etc. But these are plastic meaning we can do these with the counterpart too

36
Q

Function of basal ganglia

A

It is collecting of several nuclei
Exciting and inhibitory control between neurons,Motor control
Dysfunction of this area Mary cause Parkinsons disease

37
Q

Function of frontal cortex

A

Kinda like exercise function or boss of the brain, emotionally controls

38
Q

Function of partial lobe

A

Our dealing or reacting with situation and environment

39
Q

Function of temporal lobe

A

Language hearing memory

40
Q

Somatosensory cortex

A

Anterior part of parietal lobe
Sensory information coming from various parts of body

41
Q

Motor cortex

A

Posterior part of frontal lobe
Integration of incoming information to somatosensory cortex and deciding what to do with it and if needed, act accordingly

Nervous System And Pre& Post Op (2 decks)

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