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Chapter IP10 Quizzes
IP10 Quizzes
Nervous_II
Nervous System II: Anatomy Review
Nervous System II: Anatomy Review
Interactive Physiology
® Quiz: Nervous System II: Anatomy Review
This activity contains 10 questions.
The somatic nervous system stimulates what type of muscles?
Smooth
Skeletal
Cardiac
Will signals from the sympathetic nervous system (SNS) cause heart rate to increase or decrease?
Decrease
Increase
Will signals from the parasympathetic nervous system (PNS) cause smooth muscles in the small intestine to increase or decrease contractions?
Increase
Decrease
If a neuron synapses with the dendrite of another neuron and excites it, this will lead to an ____________ on the second neuron.
action potential
increase in the resting membrane potential
Synapses between axon terminals of one neuron and the cell body of another neuron are called:
axoaxonic synapses.
axosomatic synapses.
axodendritic synapses.
The type of synapse that regulates the amount of chemical transmitter that is released is called an:
axosomatic synapse.
axoaxonic synapse.
axodendritic synapse.
In an electrical synapse, when current flows from one neuron to another through gap junctions, this synapse is always __________.
excitatory
inhibitory
Which of these choices is the fastest synapse?
Electrical
Chemical
In chemical synapses, one neuron excites another neuron by:
the current flowing through a gap junction.
releasing a neurotransmitter.
What causes the neurotransmitter to be released at a chemical synapse?
An action potential in the postsynaptic neuron
A synaptic potential in the postsynaptic neuron
An action potential in the presynaptic neuron
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