Question 1
What term did Sir Charles Scott Sherrington introduce during his comprehensive studies of reflexes?
neuron
synapse
contraction
reflex
Question 2
The withdrawal reflex is so fast because it involves how many synapses between the sensory receptor and the motor neuron?
1 (unisynaptic)
2 (polysynaptic)
3 (polysynaptic)
0 (nonsynaptic)
Question 3
Disruption of function of the ________________leads to increased dopamine activity and Huntington’s disease.
premotor cortex
basal ganglia
motor endplate
lumbar spinal cord
Question 4
Why is rapid eye movement (REM) sleep also called “paradoxical sleep”?
there is very little brain activity and the skeletal muscles are contracted
there is increased brain activity and the skeletal muscles are inactive
it is the type of sleep that is unnecessary for human health
there is increased awareness of sensory stimuli
Question 5
What system sends sensory information from the limbic system to the cerebral cortex to create dreams?
the basal ganglia
the premotor cortex
the raphe system
the thalamocortical system