Three hours after eating at an airport fast-food restaurant, karen got extremely nauseous while in flight. the next time she was in the airport and walked by that restaurant, she felt a wave of nausea. how can this be best explained

The correct answer would be a conditioned stimulus.

Explanation:

A conditioned stimulus is an alternate stimulus that stimulates the same reaction in an individual as an unconditioned stimulus do. In other words, a conditioned stimulus makes an individual organism react to a particular something because it is related to something else.

It begins as stimuli that do not elicit a reaction until the conditioning event takes place via repeated stimulation. It is the conditioning that over a long period of time.

Thus, the correct answer is the conditioned stimulus.

a lack of sleep can affect body weight. two hormones in the body, leptin and ghrelin, control feelings of hunger and satiety, or fullness.

explanation:

answer apply a dressing and apply pressure,then get to the hospital;