3.9 PEx: Neurophysiology of Nerve Impulses Part 1

Part A
A single action potential is described as _______.
    graded by the functional area involved
    graded by the intensity of the stimulus
    not graded
    graded by the frequency of the stimulus
Part B

A suprathreshold stimulus results in _______.
    the disappearance of action potentials
    more action potentials
    larger action potentials
    fewer action potentials

Part C

A depolarizing synaptic potential is also known as _______.
    an excitatory presynaptic potential
    an excitatory postsynaptic potential
    a hyperpolarizing postsynaptic potential
    an inhibitory postsynaptic potential

Part D

The stimulus for graded potentials includes _______.
    sensory stimuli and neurotransmitter
    neurotransmitter
    voltage
    sensory stimuli