The Brain & CNS

Descripción

(Nervous System) Haematology and Anatomy Test sobre The Brain & CNS, creado por gina_evans0312 el 14/11/2013.
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Test por gina_evans0312, actualizado hace más de 1 año
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Creado por gina_evans0312 hace alrededor de 11 años
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Resumen del Recurso

Pregunta 1

Pregunta
Name the parts of the central nervous system
Respuesta
  • Brain
  • Spinal cord
  • Autonomic gangia
  • Sympthetic ganglia

Pregunta 2

Pregunta
What is the problem with damaging nerves?
Respuesta
  • They cannot regenerate/divide
  • They release neurotransmitters, which are toxic
  • They become hyperactive, causing phantom pain

Pregunta 3

Pregunta
What is the role of the CNS?
Respuesta
  • Integrate neural signals and co-ordinate them
  • Generate neuronal signals
  • Process neuronal signals

Pregunta 4

Pregunta
Name the 3 parts of a unipolar neuron, furthest from the synapse first
Respuesta
  • Cell body
  • Neuronal process
  • Axial process
  • Dendrites

Pregunta 5

Pregunta
What make up the Tight Junction of the Blood Brain Barrier?
Respuesta
  • Endothelial cells
  • Astrocytes
  • Basement membrane
  • Microglia

Pregunta 6

Pregunta
What type of drug must have specific transporters to pass the blood brain barrier?
Respuesta
  • Hyrophobic
  • Hydrophillic

Pregunta 7

Pregunta
What is the correct term for a collection of cell bodies in the CNS?
Respuesta
  • Nucleus
  • Grey matter
  • Tract

Pregunta 8

Pregunta
In the CNS, what is the difference between Grey and White Matter?
Respuesta
  • Grey Matter- Where nerve cell body White Matter- Where nerve fibres are found
  • White Matter- Where nerve cell body Grey Matter- Where nerve fibres are found

Pregunta 9

Pregunta
Define 'Tract'
Respuesta
  • A major bundle of nerve fibres
  • A large collection of cell bodies
  • A collection of sensory/motor neurons froma single organ

Pregunta 10

Pregunta
What is the general role of the brain stem?
Respuesta
  • Sensory centre
  • Emotional centre
  • Vital functions

Pregunta 11

Pregunta
Name the three parts of the brain stem in ascending order
Respuesta
  • Medulla oblongata
  • Pons
  • Midbrain

Pregunta 12

Pregunta
What is the role of cranial nerves?
Respuesta
  • They supply neck & head with sensory neurones
  • They supply neck & head with motor neurones
  • They supply nec & head with sensory/motor neurones

Pregunta 13

Pregunta
What is found in the midbrain and what's its role?
Respuesta
  • Substantia nigra
  • Inferior nigra
  • Release dopamine
  • Release ACh
  • Help motor movement

Pregunta 14

Pregunta
Define decussation
Respuesta
  • The crossing over of tracts to form an X shape
  • The crossing over of tracts to form an V shape
  • The crossing over of tracts to form an U shape

Pregunta 15

Pregunta
Name the ascending and descending tracts that supply sensory & motor info to/from the brain
Respuesta
  • Ascending- Spinothalamic Tract Descending- Corticospinal Tract
  • Ascending-Corticospinal Tract Descending- Spinothalmic Tract

Pregunta 16

Pregunta
What is the role of the Reticular Activating System?
Respuesta
  • Controls sensory input from eyes
  • Controls levels of alertness
  • Controls fine motor function

Pregunta 17

Pregunta
What is the likely result of damage to the RAS?
Respuesta
  • Coma
  • Blindness
  • Difficulty speaking

Pregunta 18

Pregunta
What sense does not influence the RAS?
Respuesta
  • Touch
  • Taste
  • Smell

Pregunta 19

Pregunta
What attaches the cerebellum to the brain stem?
Respuesta
  • Cerebellar penducles
  • Cerebellar callosum
  • Cerebellar tubucles

Pregunta 20

Pregunta
Increase in RAS activity causes...
Respuesta
  • Alertness
  • Heightened senses
  • Increased motor control

Pregunta 21

Pregunta
What is the main role of the cerebellum?
Respuesta
  • Co-ordination of fine movement
  • Co-ordination of gross movement
  • Co-ordination of limb movement

Pregunta 22

Pregunta
What makes up the diencephalon?
Respuesta
  • Pons
  • Medulla Oblongata
  • Midbrain
  • Thalamus
  • Hypothalamus

Pregunta 23

Pregunta
What is the role of the thalamus & hypothalamus?
Respuesta
  • Thalamus- major relay centre for sensory impulses Hypothalamus- endocrine function
  • Hypothalamus- major relay centre for sensory impulses Thalamus- endocrine function

Pregunta 24

Pregunta
What is a motor cortex and where is found?
Respuesta
  • The cerebellum
  • Cerebrum
  • Initiates motor movement
  • Receives signals from motor neuroens

Pregunta 25

Pregunta
What is the somatosensory cortex and where does it receive/send its signals?
Respuesta
  • The whole body
  • The limbs
  • The abdomen
  • Sensory imput (touch)

Pregunta 26

Pregunta
Where are association areas found?
Respuesta
  • Every lobe
  • Frontal lobr
  • Pariatal lobe
  • Occipital lobe
  • Temporal lobe

Pregunta 27

Pregunta
What is the role of association areas?
Respuesta
  • To associate pain with emotion
  • To create/store memory
  • To link sensory input to motor output
  • To connect pain to memory

Pregunta 28

Pregunta
What separates the frontal and temporal lobes?
Respuesta
  • Lateral suculus
  • Temporal suculus
  • Occipital suculus

Pregunta 29

Pregunta
Where is the auditory complex?
Respuesta
  • Temporal lobe
  • Parietal lobe
  • Occipital lobe

Pregunta 30

Pregunta
Where is the visual cortex found?
Respuesta
  • Occipital lobe
  • Parietal lobe
  • Temporal lobe
  • Frontal lobe

Pregunta 31

Pregunta
What causes the characteristic 'brain folds'?
Respuesta
  • Grey matter grows faster than white matter
  • White matter grows faster than grey matter
  • White matter grows on top of grey matter
  • Grey matter grows on top of white matter

Pregunta 32

Pregunta
What are commisural tracts?
Respuesta
  • Connect lobes of the cerebrum together
  • Connect cerebellum to cerebrum
  • Connect brain hemispheres together
  • Connect brain stem to brain

Pregunta 33

Pregunta
What is the function of the Limbic System?
Respuesta
  • Co-ordinating memory storage
  • Emotional centre
  • Co-ordination of motor movement
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