Which effect will the nurse expect to observe when a client is stressed and epinephrine is released?

The most observant que is the Increased blood glucose. This is because when someone is stressed, large amount of epinephrine can cause transient hyperglycemia, which leads to increased blood glucose. At the same-time, epinephrine is also very likely to increase the client's heart rate.

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The zone your looking for is the intertidal zone.