administration of a drug that binds at a postsynaptic site different from that of the neurotransmitter, and facillitates the opening of ion channels would be termed an
repeated administration of a constant drug typically produces ___________, which is defined as a(n) ________ effect of the drug.
a ________________ is a bulge located between adjacent grooves in the surface of human cortex.
NOT: ventricle, sulcus, cerebral aqueduct or fissure
regions of left and right hemispheres are interconnected via axons of the _____________.
Which is true about spinal nerves?
the cell bodies of outgoing fibers lie in the grey matter of spinal cord
the ____________ drug route of drug administration is commonly used to treat small lab animals
the _______________ branch of the nervous system receives sensory info and controls muscle movement
a key function of the automatic nervous system involves control of
smooth muscle, cardiac muscle, glands and "vegetative bodily processes.
the parasympathetic division of the ANS is involved in
activities that increase levels of stored energy within the body
________________ refers to the process by which drugs are absorbed, distributed within the body, and excerted from it.
which of the following is true of the relation between drug affinity and drug effects?
a drug with high affinity for a receptor wil exert an effect at a low dose.
a key advantage of an fMRI is that the method can
identify where a particular brain region is active
administration of a drug that blocks acetycholinesterase in the brain would be expected to
increase the amount of acetycholine in the synapse
the key rationale for lesion (ablation) studies is
the change in behavior that follows a brain lesion can give important clues about a function of an ablated brain area
the _________ is a device that holds an animal head fixed in space that can be used to implant an electrode into the brain
more neurons of the sympathetic division of the ANS project from the ________ to the ________.
gray matter of the thoratic and lumbar spinal cord; sympathetic ganglia
The three numbers listed on a page of a stereotaxic atlas describe _______.
location of the brain structure in 3 planes relative to reference point
the most commonly used method for tracing efferent axons involvews the infusion of _______ into the brain region.
A drug the hyperpolarizes the postsynaptic membrane, similar to what occurs at a synapse that usually generates IPSP is a(n)