False
Hope this helps and good luck.
In psychology, frustration<span> is a common </span>emotional<span> response to opposition.
Related to </span>anger<span> and </span>disappointment<span>, frustration arises from the perceived resistance to the fulfilment of an individual's </span>will<span> or goal </span><span>and is likely to increase when a will or goal is denied or blocked.
There are two types of frustration; internal and external. Internal frustration may arise from challenges in fulfilling </span>personal goals<span>, </span>desires<span>, instinctual drives and needs, or dealing with perceived </span>deficiencies<span>, such as a lack of </span>confidence<span> or </span>fear<span> of social situations.
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Conflict<span>, such as when one has competing goals that interfere with one another, can also be an internal source of frustration and can create </span>cognitive dissonance<span>.
External causes of frustration involve conditions outside of an individual's control, such as a physical roadblock, a difficult task, or the perception of wasting time.
Hope that helped! :)</span>
Local anesthetics inhibit nerve conduction in a reversible manner without altering the nerve. The inhibition appears rapidly and for a longer or shorter duration depending on the products and the concentrations used. The extent of the territory rendered insensitive to pain depends on the modes of administration of the local anesthetic, either at the level of the nerve endings, or at the level of a nervous trunk, for example.
They act at the level of the neuronal membrane by interfering with the process of excitation and conduction. The anesthetic crosses the axon membrane, rich in lipids, in the form of base before taking up a cationic form on the internal face of the neuron where the pH is more acidic.
At this level, there is a blockage of nerve conduction by decreasing the membrane permeability to sodium ions that occurs during the depolarization phase. As the progression of the anesthetic action along the nerve increases, the threshold of excitability increases and the conduction time increases. This is completely blocked from a certain concentration of local anesthetic.
The nerve fibers are unequally sensitive to the action of local anesthetics: they disappear in order: the painful, thermal, tactile sensations.
I would say this would be the second one or maybe the last one , hope this helps !