Nervous System Word Scramble
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| Question | Answer |
| What is the Central Nervous System made up of | Brain + Spinal Cord |
| What is the Peripheral Nervous System made up of | Nerves branch off from Spinal Cord - Somatic + Autonomic (Sympathetic+Parasympathetic) |
| What are the 3 Parts of the Brain | Cerebrum/Cerebellum/Brain Stem |
| What is the largest part of the Brain | Cerebrum |
| How many hemispheres does the Cerebrum have | 2 - Divided into 4 lobes |
| What is the function of the Frontal Lobe | Reasoning/learning |
| What is the function of the Occipital Lobe | Interprets vision |
| What is the function of the Parietal Lobe | Interprets language |
| What is the function of the Temporal Lobe | Memory store |
| Where is the Cerebellum | Lowest part of the brain - Posterior to pons |
| How many hemispheres does the Cerebellum have | 2 |
| What is the function of the Cerebellum | Balance+ Coordination |
| What makes up the Brain Stem | Mid Brain/Pons/Medulla Oblongata |
| What is the function of the Medulla Oblongata | Controls HR/BR/BP |
| What is the function of the Reticular Activating System | Increased alertness |
| What is the structure of the Spinal Cord | 45cm long - thickness of little finger - Grey matter inside + White matter outside - Surrounded by meninges + CSF |
| What are Afferent fibres function | Body to Brain |
| What are Efferent fibres function | Brain to Body |
| What is the function of the Sensory Neurons | Impulses from Periphery - Afferent |
| What is the function of the Motor Neurons | Impulses from Skeletal Muscles - Efferent |
| What is the function of the Connector Neurons | Links Motor + Sensory |
| What is the function of the Myelin Sheath | Insulator + Increases speed of nerve impulses |
| What is a Simple reflex Arc | A reflex that goes straight from Sensory neuron to Motor Neuron bypassing the Brain |
| What is Irritability | Initiate nerve impulses in response to stimuli |
| What is Conductivity | Ability to transmit impulses |
| Describe an Axon | Carry impulse away from Cell body - Can be 1m Long - Forms White Matter |
| Describe Dendrites | Carry impulses towards Cell Body |
| Describe Cell Body (Soma) | Contains Nucleus - Forms Grey Matter |
| Describe Myelin Sheaths | Protective Layer |
| Describe Schwann Cells | Glial Cells that help form the Myelin Sheath |
| Describe Nodes of Ranvier | Gaps of exposed Axon between Schwann Cells |
| What is a mass of nerves called | Ganglia |
| What is a Plexus | Large mass of Nerves |
| What are Bundle of Axons are called | Plexus - 5 types Cervical Brachial Lumber Sacral Coccygeal |
| What are the 2 types of Efferent Nerves | Somatic - Voluntary Autonomic - Cardiac + Smooth Muscle |
| What is the Synapse | Small gap at the end of Neuron that allows signals to pass from each Neuron |
| What is the breakdown of the Peripheral Nervous System | 12 Pairs of Cranial Nerves |
| What does the Phrenic nerve control | Diaphragm |
| Name the 3 layers of the Meninges | Dura Mater - Tough outer Arachnoid Mater - Contains CSF Pia Mater - Soft inner |
| What is the function of the Meninges | Protection Maintain brains position |
| What is CSF and its functions | Cerebrospinal Fluid Protection Buoyancy Regulation |
| How much CSF is there | 125- 150ml |
| Where does the Brain get is blood supply | Carotid + Vertebral Arteries - connected by Circle of Willis |
| What are the Stages of a Seizure | Aura Tonic Clonic Postictal |
| Describe the Tonic phase of a Seizure | Body goes Stiff/Rigid/Trismus/Eye Roll |
| Describe the Clonic phase of a Seizure | Regular jerking movements |
| Describe the Postictal Phase | State of Confusion/agitation/Drowsy - 20mins approx |
| Name some causes of Seizures | Alcohol withdrawl/Epilepsy/Infections/Overdose/Trauma/ICP/Stroke |
| What is Status Epilepticus | Seizure ongoing for >30mins or recurrent seizures where pt does not regain consciousness |
| What is the cause of Febrile Seizures | Rapid rise in Temp |
| What is the managment of a Seizure | Remove from Harm Maintain ABC O2 Midazolam Monitor Vitals - BG |
| What is the managment for a Febrile Seizure | Cool pt - remove layers of clothing/remove from warm enviroment + give Paracetamol + then manage like other seizures |
Created by:
Meganp7290
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