Front | Back |
During Resting Membrane Potential, ______ is at equilibrium.
A. Na+
B. K+
C. A--
D. None of the above
E. All of the above
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B. K+
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Repolarization could occur by:
A. Na+ entering the cell
B. Cl- entering the cell
C. K+ exiting the cell
D. A & B
E. B & C
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E. B & C
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Which of the following is TRUE:
A. IPSPs travel by saltatory conduction
B. EPSPs travel by saltatory conduction
C. The axon hillock sums the excitatory and inhibitory influences of the soma and
dendrites
D. B & C
E. All of the above
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C. The axon hillock sums the excitatory and inhibitory influences of the soma and dendrites
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Neurons primarily receive neurotransmitters on the
A. the axon hillock
B. the terminal bouton
C. the presynaptic membrane
D. the postsynaptic membrane
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D. the postsynaptic membrane
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Flynn and his colleagues elicited quiet biting and affective attack by stimulating the
_____ in ______.
A. cerebral cortex, dogs
B. hypothalamus, cats
C. right hemisphere, monkeys
D. motor cortex, dogs
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B. hypothalamus, cats
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A Nissl stain is best to view
A. Cell bodies (soma)
B. Axons
C. Dendrites
D. Synapses
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A. Cell bodies (soma)
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The withdrawal reflex as talked about in class
A. involves a painful (burning) stimulus
B. occurs primarily through neurons in the peripheral nervous system and in the
spinal cord
C. can be modulated by neurons originating in the brain
D. none of the above
E. A, B & C
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E. A, B & C
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Neurotransmitters are stored in
A. Ribosomes
B. Vesicles
C. Endoplasmic reticulum
D. Golgi apparatus
E. None of the above
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B. Vesicles
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Metabotropic synaptic mechanisms
A. can open up ion channels quickly
B. affects second messenger that in turn may open ion channels
C. have very quick onset and long-lasting effects
D. are only used in the peripheral nervous system
E. none of the above
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B. affects second messenger that in turn may open ion channels
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Autoreceptors are found on the _____ side of the synapse.
A. presynaptic
B. postsynaptic
C. IPSP
D. EPSP
E. None of the above
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A. presynaptic
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. A synapse can involve a jnction between an axon terminal and a(n) _____
A. dendrite
B. soma
C. axon
D. glial cell
E. A, B & C are correct
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E. A, B & C are correct
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Normal breaks in myelin sheaths around axons are called
A. Nodules
B. Breaks
C. Ronnetts
D. Nodes of Ranvier
E. All of the above
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D. Nodes of Ranvier
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_________ neurons control movements.
A. Phasic
B. Inter-
C. Motor
D. Sensory
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C. Motor
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Synaptic vesicles are often produced in the _____ and transported to the _______.
A. soma; axon terminal
B. dendrites; soma
C. terminal boutons; dendrites.
D. dendritic spines; axon terminals
E. neuroglia; dendrites
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A. soma; axon terminal
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The part of a multipolar neuron that carries information to the cell body is called the
A. soma.
B. axon.
C. dendrite.
D. synapse.
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C. dendrite.
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