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Lilibeth Dela Cruz
Physiology Week 7
Question | Answer |
---|---|
The neurotransmitter(s) that inhibit(s) the conduction of pain impulses is (are): | enkephalins |
Which is true of an action potential? | The outside of the plasma membrane is negatively charged, and the inside is positively charged. |
Severe depression can be caused by a deficit in certain brain synapses of: | amines |
No impulse can be sent through a neuron | during the absolute refractory period. |
Stimulus-gated channels open in response to: | sensory stimuli |
For a neurotransmitter to produce an inhibitory postsynaptic potential, which of the following channels must open? | Potassium and/or chloride channels |
Acetylcholine is in the same class of neurotransmitters as: | none of the above |
A synaptic knob would be located on a(n): | axon |
Which is true of a neuron with a resting potential? | The sodium pump has moved Na+ to the outside of the plasma membrane. |
A slight shift away from the resting membrane potentials in a specific region of the plasma membrane is called a _____ potential. | local |
Compared with the outside of the neuron, the inside has a(n) _____ charge. | negative |
Which of the following is not one of the main chemical classes of neurotransmitters? | triglycerides |
Which of the following antidepressants acts by blocking the action of monoamine oxidase (MAO)? | Phenelzine |