Category: E
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Exclusions
Specific conditions listed in an insurance policy for which the insurance company will not pay. Specific hazards, perils or conditions listed in an insurance or medical care coverage policy for which the policy will not provide benefit payments. Common exclusions may include preexisting conditions, such as heart disease, diabetes, hypertension or a pregnancy which began…
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Excitement phase
The sexual response phase of arousal.
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Excitatory postsynaptic potential
The potential change that takes place in a neuron when a nerve impulse is approaching it from a synapse. This action is not subject to the all-or-none law.
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Excitation transfer
A process in which arousal that was generated by one stimulus can intensify unrelated activity.
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Excisional biopsy
Total surgical removal of tissue to be examined. Removal of an entire suspected lesion for microscopic examination. The complete removal of a lymph node, often involving the extraction of the most suspicious-looking node, is a procedure commonly performed for diagnostic purposes. This process entails eliminating the entirety of the lymph node of concern in order…
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Exchange theory
A theory of interpersonal behavior that is based on four major assumptions: (a) human behavior is motivated primarily by pleasure and pain, (b) the actions of other people are primary sources of pleasure and pain, (c) a person’s actions may be used to secure pleasure-giving actions from others, and (d) people attempt to gain maximum…
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Exchange diet
A diet constructed around the interchanging of foods based on their nutrient composition. An important aspect is the management of Type 1 diabetes.
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Exceptional learner
One who deviates from the normal, intellectually, physically, socially, or emotionally in growth and development so markedly that he or she cannot receive the maximum educational benefits from a regular program.
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Exceptional children
Learners with disabilities or talents that require specialized educational programs, exceptional learner.
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Exceptional
In education, refers to any learner whose physical, mental, or behavioral performance deviates so substantially from the average that additional services are necessary to meet the learner’s needs.