中国大学MOOC: 关于Presynaptic inhibition的特点是：
中国大学MOOC: 关于Presynaptic inhibition的特点是：
中国大学MOOC: Presynaptic inhibition的论述中，正确的说法是：
中国大学MOOC: Presynaptic inhibition的论述中，正确的说法是：
GABA acts on the presynaptic GABAa receptor making the cell membranes hyperpolarization to inhibit the conduction of nerve.
GABA acts on the presynaptic GABAa receptor making the cell membranes hyperpolarization to inhibit the conduction of nerve.
Phentolamine<br/>may increase heart rate by targeting____. A: presynapticα2-adrenoceptors B: postsynapticα2-adrenoceptors C: cardiacβ-adrenoceptors D: cardiacα1-adrenoceptors E: vascularα1-adrenoceptors
Phentolamine<br/>may increase heart rate by targeting____. A: presynapticα2-adrenoceptors B: postsynapticα2-adrenoceptors C: cardiacβ-adrenoceptors D: cardiacα1-adrenoceptors E: vascularα1-adrenoceptors
Tachycardia is more common observed in phentolamine than prazosin because the former A: has some M-agonist action B: has some β1-agonist action C: blocks postsynaptic α₂-receptors D: blocks presynaptic α₂-receptors E: stimulates heart directly
Tachycardia is more common observed in phentolamine than prazosin because the former A: has some M-agonist action B: has some β1-agonist action C: blocks postsynaptic α₂-receptors D: blocks presynaptic α₂-receptors E: stimulates heart directly
Which one of the sentence is INCORRECT for Prazosin? A: It is a selective α1 adrenoceptor blocker. B: It blocks presynaptic α2 adrenoceptors to increase release of noradrenaline. C: It has first dose of effect, showing postural hypotension. D: It dilates resistance and capacitance vessels. E: It can decrease the blood cholesterol concentrations.
Which one of the sentence is INCORRECT for Prazosin? A: It is a selective α1 adrenoceptor blocker. B: It blocks presynaptic α2 adrenoceptors to increase release of noradrenaline. C: It has first dose of effect, showing postural hypotension. D: It dilates resistance and capacitance vessels. E: It can decrease the blood cholesterol concentrations.
Which is wrong about the transcellular signaling of NO or CO? A: NO can penetrate endothelial cells and induces smooth muscle extension B: CO can affect presynaptic neurons, adjacent neurons, or glial cells C: both of them can stimulate cGMP synthesis D: both of them have receptors on the target cell membrane
Which is wrong about the transcellular signaling of NO or CO? A: NO can penetrate endothelial cells and induces smooth muscle extension B: CO can affect presynaptic neurons, adjacent neurons, or glial cells C: both of them can stimulate cGMP synthesis D: both of them have receptors on the target cell membrane
Which is wrong about long-term habituation and sensitization? A: long-term sensitization involves synaptic facilitation B: synthesis of mRNA and proteins are required for memory consolidation from short-term to long-term C: growth of new synaptic connections can be observed in long-term habituation D: both involve structural changes in the presynaptic terminals of sensory neurons
Which is wrong about long-term habituation and sensitization? A: long-term sensitization involves synaptic facilitation B: synthesis of mRNA and proteins are required for memory consolidation from short-term to long-term C: growth of new synaptic connections can be observed in long-term habituation D: both involve structural changes in the presynaptic terminals of sensory neurons
Which of the following processes does not involved in the signal propagation at a chemical synapse?<br/>16. (Part 06, medium) 105-Mid A: synaptic vesicles release neurotransmitters in the presynaptic terminal. B: neurotransmitters diffuse across the synaptic clef. C: Postsynaptic receptors are activated by the neurotransmitters. D: Vesicles transport neurotransmitters from the synaptic terminals to the soma in the postsynaptic side.
Which of the following processes does not involved in the signal propagation at a chemical synapse?<br/>16. (Part 06, medium) 105-Mid A: synaptic vesicles release neurotransmitters in the presynaptic terminal. B: neurotransmitters diffuse across the synaptic clef. C: Postsynaptic receptors are activated by the neurotransmitters. D: Vesicles transport neurotransmitters from the synaptic terminals to the soma in the postsynaptic side.