Answer:
This is an unanticipated problem, which resulted in an adverse event.
Explanation:
It is important that a study drug be thoroughly evaluated before being applied to a patient, because an error can cause very harmful reactions. However, sometimes errors go unnoticed, even if the study coordinator is cautious and tries not to make any mistakes as it may harm the patient, as happened in the case shown in the question. These errors that go unnoticed refer to a situation where an unforeseen problem has resulted in an adverse event.
The pinna is part of the external ear.
If you eat foods that are high in sodium, the amount you consume will either not change or increase. You must eat more fruits and vegetables to lower your sodium intake.
True, sleep problems indeed are a quite often occurence among children as well as adults - they do occur quite often but don't necessarily occur all the time for people to whom it does happen. At the same time, when someone suffers from sleep problems, this doesn't necessarily mean that he cannot sleep at all.
Its classified as an additcive drug.
it crosses the blood-brain barrier.
there is a high risk of developing lung cancer.
Hope this helps!