
Solutions
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Solutions
Question 1: Mark the correct statement
A Axons and dendrites are prolongations from the same tuft
B Dendrites receive input, axons generate output
C Synapses are formed on dendrites exclusively
D Glia cells form axons, neurons form dendrites
E Neurons outnumber glia cells in the mature brain
Question 2: Focussing of a visual picture is mainly done by the...
A Iris
B Cornea
C Geniculate nucleus
D Lens
E Retina
Question 3: What it the "critical period"?
The time window in development during which motor, sensory, and emotional input have the greatest influence on the connectivity of the nervous system.
Question 4: Does the spinal cord belong to the central nervous system or the peripheral nervous system?
The spinal cord belongs to the central nervous system.
Question 5: The neural tube develops into...
A Forebrain
B Hindbrain
C Midbrain
D Spinal cord
E All of the above
Question 6: Sound detection in the cochlea occurs by...
A Deformation of the tympanic membrane
B Dislocation of small bone fragemts on the cochlea cell surface
C Pressure-induced changes in the electric conductivity of inner ear fluid
D Pressure-induced neurotransmitter release from axon terminals
E The movement of cilia in hair cells
Question 7: The structures on the tongue responsible for taste detection are called:
A Taste pits
B Taste slots
C Taste buds
D Taste knods
E Taste cavities
Question 8: What happens during amyotrophic lateral sclerosis?
A Degeneration of axons to the sensorimotorcortex
B Degeneration of brain and spinal cord motorneurons
C Degeneration of cholinergic forebrain neurons
D Death of cerebellar Purkinje cells
E Degeneration of interneurons in the spinal cord
Question 9: Mark the correct statement:
A Axons and dendrites are prolongations from the same tuft
B Dendrites receive input, axons generate output
C Synapses are formed on dendrites exclusively
D Glia cells form axons, neurons form dendrites
E Neurons outnumber glia cells in the mature brain
Question 10: The effect of the myelin sheath is...
A to bend the axon to its target
B to activate microglia cells during infection
C to speed axonal electrical signal transduction
D to protect dendritic structures against mechanical disturbances
E to provide nutrition to glia cells