4754485
Description
Flashcards by Georgina Burchell, updated more than 1 year ago
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Created by Georgina Burchell
almost 9 years ago
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| Question | Answer |
| What does the CNS do? | Mediates sensory input and motor output. |
| What is in the PNS and what does it do? | Spinal nerves and cranial nerves. Autonomic nervous system. Carries information into and out of CNS. |
| What does the sympathetic branch of the ANS control? | Fight or flight |
| What does the parasympathetic branch of the ANS control? | Rest and digest |
| The brain hemispheres are connected by what? | Corpus colossum |
| How many cranial nerves are there? | 12 |
| Name a cranial nerve that is: just sensory, just motor, both | Sensory - olfactory bulb Motor - hypoglossal nerve (tongue) Both - vagus nerve |
| How many pairs of spinal nerves are there? | 31 |
| What do dorsal roots do? | Dorsal roots carry sensory information from spine to brain. |
| What do ventral roots do? | Carry motor information from brain to effector muscle. |
| What direction is dorsal? | Top of head |
| Where does ventral point? | Down to stomach |
| Where does anterior point? | To the front |
| What is side to middle called? | Lateral -> medial |
| What are the bumps in the brain called? What are the folds in the brain called? | Gyrus Sulcus |
| Describe the movements of the coronal pathway? | Anterior to posterior |
| Describe the movements of the saggital pathway? | lateral>medial>lateral |
| Describe the movements of the axial pathway? | Dorsal to ventral |
| Two types of subcortical brain systems and their functions | Basal ganglia (motor skills) Limbic system (olfactory, amygdla(emotion), hippocampus (memory)) |
| How is the brain protected within the skull? | Cerebral fluid, meninges (3 layers of protective tissue around the brain and spinal cord) |
| Two types of cell in the brain | Neurons, Glial cells |
| What part of the neuron is responsible for input? Output? | Dendrites, Axon |
| What are the four types of glial cell? | Schwann cell (myelin sheath in PNS), Oligodendrocytes (Myelin in CNS) , Astrocyte (Regulates blood flow), Migroglia (Multiply at injury & debris removal) |
| What lobe in the brain is responsible for spatial awareness? | Parietal Lobe |
| Which lobe in the brain is responsible for cognitive skills, language and emotion | Frontal lobe |
| Name a function of the cerebellum | Fine motor control |
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