Sherrington inferred the presence of a gap between neurons based on….?
A) the existence of spinal reflexes
B) inconsistent occurrence of conduction
C) slower that predicted speed of conduction
D) suppression of reflexes
B) slower than predicted speed of conduction
Key Terms
Sherrington inferred the presence of a gap between neurons based on….?
A) the existence of spinal reflexes
B) inconsistent occurrence of conduction
C) slower that predicted speed of conduction
D) suppression of reflexes
B) slower than predicted speed of conduction
What is the circuit from sensory neuron to muscle response called?
A) reflex arc
B) efferent circuit
C) afferent loop
D) neural network
A) reflex arc
What term is used for the cumulative effect of repeated stimulation over a brief period of time?
A) temporal summation
B) excitatory postsynaptic potential
C) spatial summation
D) inhibitory postsynaptic potential
A) temporal summation
The temporary hyperpolarization of a membrane is a(n)….?
A) spatial summation
B) inhibitory postsynaptic potential
C) excitatory postsynaptic potential
D) temporal summation
B) inhibitory postsynaptic potential
What term describes periodic production of action potentials, even without synaptic input?
A) IPSP
B) spontaneous firing
C) spatial summation
D) EPSP
B) spontaneous firing
Consider a wiring arrangement of neurons in which the two neurons (A and B) stimulate a third neuron (X). Neither neuron A nor B can stimulate X on its own, but can excite neuron X in combination. This is an example of…..?
A) an IPSP
B) an IPSP and an EPSP
C) spatial summation
D) temporal summation
C) spatial summation
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| Term | Definition |
|---|---|
Sherrington inferred the presence of a gap between neurons based on….? A) the existence of spinal reflexes B) inconsistent occurrence of conduction C) slower that predicted speed of conduction D) suppression of reflexes | B) slower than predicted speed of conduction |
What is the circuit from sensory neuron to muscle response called? A) reflex arc B) efferent circuit C) afferent loop D) neural network | A) reflex arc |
What term is used for the cumulative effect of repeated stimulation over a brief period of time? A) temporal summation B) excitatory postsynaptic potential C) spatial summation D) inhibitory postsynaptic potential | A) temporal summation |
The temporary hyperpolarization of a membrane is a(n)….? A) spatial summation B) inhibitory postsynaptic potential C) excitatory postsynaptic potential D) temporal summation | B) inhibitory postsynaptic potential |
What term describes periodic production of action potentials, even without synaptic input? A) IPSP B) spontaneous firing C) spatial summation D) EPSP | B) spontaneous firing |
Consider a wiring arrangement of neurons in which the two neurons (A and B) stimulate a third neuron (X). Neither neuron A nor B can stimulate X on its own, but can excite neuron X in combination. This is an example of…..? A) an IPSP B) an IPSP and an EPSP C) spatial summation D) temporal summation | C) spatial summation |
In which neurotransmitter category does GABA belong? A) purines B) neuropeptides C) monoamines D) amino acids | D) amino acids |
Adenosine is an example of the …….. Category of neurotransmitters. A) amino acid B) monoamine C) purine D) gas | C) purine |
Nitric oxide is an example of the ……… Category of neurotransmitters. A) monoamine B) gas C) purine D) amino acid | B) gas |
The amount of ……. In the diet controls the amount of serotonin in the brain. A) tyrosine B) phenylalanine C) tryptophan D) lysine | C) tryptophan |
……. Refers to bursts of release of neurotransmitter from the presynaptic neuron. A) exocytosis B) aptosis C) exotosis D) metabotrophis | A) exocytosis |
Most of the brain’s excitatory ionotropic synapses use the neurotransmitter…………. A) glutamate B) substance P C) nitric oxide D) ATP | A) glutamate |
Neuropeptides are characterized by ………. A) being released by a single action potential B) being released mostly from dendrites C) having an action that lasts, at most, a few seconds D) being synthesized in presynaptic terminals | B) being released mostly from dendrites |
Many hallucinogenic drugs are chemically similar to ……… A) serotonin B) acetylcholine C) dopamine D) GABA | A) serotonin |
Smoking cigarettes is rewarding in part because it triggers the release of …….. A) GABA B) acetylcholine C) serotonin D) dopamine | D) dopamine |
Stimulant drugs, including amphetamine and cocaine, decrease reuptake and prolong the effects of ……… A) GABA B) dopamine C) serotonin D) acetylcholine | B) dopamine |
…….. Is credited with demonstrating the existence of chemical synapses. A) Loewi B) Golgi C) Ramón y Cajal D) Sherrington | A) Loewi |
Epinephrine and norepinephrine are produced in the ………. A) pineal B) adrenal medulla C) pituitary D) pancreas | B) adrenal medulla |
Gordon is having trouble sleeping and decides to take a supplement containing a hormone that is manufactured in the pineal. What is he most likely taking? A) leptin B) glucagon C) melatonin D) renin | C) melatonin |
…… Helps control appetite. A) glucagon B) renin C) FSH D) leptin | D) leptin |