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Of the following muscle types, which has only one nucleus, no sarcomeres, and rare gap junctions?
Multiunit smooth muscle
When a sensory neuron is excited by some form of energy, the resulting graded potential is called _______.
Which of the following is false or incorrect?
A nerve impulse occurs if the excitatory and inhibitory effects are equal.
What type of current flows through the axolemma during the steep phase of repolarization?
chiefly a potassium current
Which of the following will occur when an excitatory postsynaptic potential (EPSP) is being generated on the dendritic membrane?
A single type of channel will open, permitting simultaneous flow of sodium and potassium.
Select the correct statement regarding synapses.
The synaptic cleft prevents an impulse from being transmitted directly from one neuron to another.
Which of the choices below describes the ANS?
Motor fibers that conduct nerve impulses from the CNS to smooth muscle, cardiac muscle and glands.
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