Answer:A. route of exposure
Explanation:Route of exposure refers to how someone got exposed to that allergen that got them sick. There are different routes of exposure , the way in which a substance enter one's body , it can be through inhalation, ingestion , skin absorption and injection. For example inhalation occurs mostly when a substance is a chemical in the form of vapours , gases , particulates and mist .
For this reason by knowing how it entered the body the pediatrician can determine what the substance might have been.
False; stop sympathizing with Delmar and to withhold any sort of positive
reinforcement to his pain behaviors would make him bear the pain.
How positive reinforcement works?
Positive reinforcement in operant conditioning refers to the addition of a reinforcing stimulus after a behavior that increases the likelihood that the behavior will occur again in the future. An action's response or behavior will get stronger if a positive result, circumstance, or reward follows it. Here Delmar needs positive reinforcement for reduction in pain.
Positive reinforcement's impact on motivation is another factor contributing to its appeal as a teaching strategy. Positive reinforcement may provide you the boost in motivation you need to accomplish the goals you set, whether you are using it on your staff to reward good work or on yourself to work toward personal goals. Delmar should use positive reinforcement against his pain behaviour.
Learn more about positive reinforcement here:
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B.) Sundiata Keita created the Mali Empire.