If an excitatory synapse is activated at the same time as an inhibitory synapse, the effect on postsynaptic membrane potential will be
a. no change.
b. a net depolarization since excitation normally triumphs over inhibition.
c. a net hyperpolarization since inhibition normally overwhelms excitation.
d. impossible to predict since we don't know the relative strength of these synapses.
D
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Structure I is the
A) nasal. B) lacrimal. C) maxilla. D) ethmoid. E) sphenoid.
In each ventricle is a blood vessel network called the ________ that produces cerebrospinal fluid
A) choroid plexus B) jugular vein C) carotid artery D) vertebral artery E) dural sinus
E. all of the above
A. They are associated with synovial joints. B. They separate tendons from bones to reduce friction. C. They separate skin from bones to reduce friction. D. both A and B E. all of the above
In the extrinsic pathway, damaged tissues release ________.
A. factor XII B. calcium C. activated factor V D. thromboplastin (tissue factor III) E. factor VII